/* TumaMaoni - Customer Feedback Platform */
/* Modern CSS with gradients, animations, and responsive design */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Premium Tanzania Inspired */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #4f46e5;
    --primary-600: #4338ca;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    
    --secondary-50: #ecfdf5;
    --secondary-100: #d1fae5;
    --secondary-200: #a7f3d0;
    --secondary-300: #6ee7b7;
    --secondary-400: #34d399;
    --secondary-500: #10b981;
    --secondary-600: #059669;
    --secondary-700: #047857;
    --secondary-800: #065f46;
    --secondary-900: #064e3b;
    
    --accent-50: #fffbeb;
    --accent-100: #fef3c7;
    --accent-200: #fde68a;
    --accent-300: #fcd34d;
    --accent-400: #fbbf24;
    --accent-500: #f59e0b;
    --accent-600: #d97706;
    --accent-700: #b45309;
    --accent-800: #92400e;
    --accent-900: #78350f;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --success: var(--secondary-500);
    --warning: var(--accent-500);
    --error: #ef4444;
    --info: var(--primary-500);
    
    /* Core Variables */
    --primary-color: var(--primary-500);
    --primary-dark: var(--primary-600);
    --primary-light: var(--primary-400);
    --secondary-color: var(--secondary-500);
    --secondary-dark: var(--secondary-600);
    --accent-color: var(--accent-500);
    --dark: var(--gray-800);
    --light: var(--gray-50);
    --white: #ffffff;
    
    /* Premium Gradients */
    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #10b981 100%);
    --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #7c3aed 25%, #10b981 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* Typography - Precise Scale */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */
    --font-size-6xl: 3.75rem;    /* 60px */
    
    /* Spacing - 8pt Grid System */
    --spacing-0: 0;
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */
    --spacing-32: 8rem;      /* 128px */
    
    /* Border Radius - Precise */
    --radius-none: 0;
    --radius-sm: 0.125rem;  /* 2px */
    --radius-md: 0.375rem;  /* 6px */
    --radius-lg: 0.5rem;    /* 8px */
    --radius-xl: 0.75rem;   /* 12px */
    --radius-2xl: 1rem;     /* 16px */
    --radius-3xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Professional */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);
    --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3);
    --shadow-glow-error: 0 0 20px rgba(239, 68, 68, 0.3);
    
    /* Transitions - Precise Timing */
    --transition-fastest: 0.083s ease-out;
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.25s ease-out;
    --transition-slow: 0.4s ease-out;
    --transition-slowest: 0.6s ease-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Container */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
}

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

::selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

::-moz-selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: #111827;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: #4b5563;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Authentication Pages ===== */
.auth-page {
    background: var(--gradient-hero);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    background-size: cover, cover, 40px 40px;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 2;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    padding: var(--spacing-12);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--spacing-1);
    background: var(--gradient-primary);
    opacity: 0.9;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.auth-logo {
    margin-bottom: var(--spacing-8);
}

.auth-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.logo-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-right: var(--spacing-3);
    box-shadow: 0 8px 16px rgba(79, 70, 229, 0.25);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.logo h1 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-800);
    letter-spacing: -0.02em;
}

.logo h1 span {
    color: var(--primary-color);
}

.auth-form {
    margin-bottom: var(--spacing-8);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-6);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-normal);
    background: var(--white);
    color: var(--gray-800);
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background: var(--white);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-300);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-2);
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #e5e7eb;
}

.auth-footer p {
    color: #6b7280;
    margin: 0;
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 500;
}

/* ===== OTP Verification ===== */
.otp-verification {
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    margin-top: var(--spacing-8);
    border: 1px solid var(--gray-200);
}

.otp-verification h4 {
    text-align: center;
    margin-bottom: var(--spacing-4);
    color: var(--gray-800);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.otp-verification p {
    text-align: center;
    margin-bottom: var(--spacing-8);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.otp-inputs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
}

.otp-input {
    width: 60px;
    height: 60px;
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    background: var(--white);
    color: var(--gray-800);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

.otp-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    transform: scale(1.05);
}

.otp-input:hover {
    border-color: var(--gray-400);
}

.otp-resend {
    text-align: center;
}

.otp-resend a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.otp-resend a:hover {
    color: var(--primary-600);
    text-decoration: underline;
}

/* ===== Dashboard Layout ===== */
.dashboard-page {
    display: flex;
    min-height: 100vh;
    background: var(--gray-50);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: var(--z-fixed);
    transition: transform var(--transition-normal);
    border-right: 1px solid var(--gray-200);
}

.sidebar-header {
    padding: var(--spacing-8);
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-menu {
    flex: 1;
    padding: var(--spacing-6);
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-1);
    border-radius: var(--radius-xl);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.menu-item:hover {
    background: var(--gray-100);
    color: var(--primary-color);
    transform: translateX(4px);
}

.menu-item.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.menu-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--white);
    border-radius: 0 2px 2px 0;
}

.menu-icon {
    margin-right: var(--spacing-3);
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-3);
    background: var(--white);
    border-radius: var(--radius-xl);
}

.user-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-base);
    margin-right: var(--spacing-3);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 700;
    color: var(--gray-800);
    font-size: var(--font-size-sm);
    line-height: 1.2;
}

.user-shop {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: 2px;
}

.logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-xl);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border: 1px solid var(--gray-200);
    background: var(--white);
}

.logout-btn:hover {
    background: #fef2f2;
    color: var(--error-color);
    border-color: #fecaca;
    transform: translateY(-1px);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-8);
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.dashboard-header {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-8);
    border: 1px solid var(--gray-200);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title h1 {
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-800);
    letter-spacing: -0.02em;
}

.header-title p {
    margin: 0;
    color: var(--gray-500);
    font-size: var(--font-size-base);
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feedback-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #f3f4f6;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.feedback-link code {
    background: #1f2937;
    color: #10b981;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', monospace;
}

/* ===== Statistics Cards ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-right: var(--spacing-lg);
    box-shadow: 0 8px 16px rgba(79, 70, 229, 0.2);
}

.stat-content {
    flex: 1;
}

.stat-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: #111827;
    margin-bottom: var(--spacing-xs);
}

.stat-content p {
    margin: 0;
    color: #6b7280;
    font-size: var(--font-size-sm);
}

.stat-trend {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: var(--font-size-xs);
}

.stat-trend.positive {
    color: var(--success-color);
}

.stat-trend.negative {
    color: var(--error-color);
}

.stat-trend.neutral {
    color: var(--warning-color);
}

.stat-action {
    margin-left: var(--spacing-md);
}

/* ===== Dashboard Cards ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.dashboard-card,
.table-card,
.chart-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-normal);
}

.dashboard-card:hover,
.table-card:hover,
.chart-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    margin: 0;
    color: #111827;
}

.card-content {
    padding: var(--spacing-lg);
}

/* ===== Feedback List ===== */
.feedback-list {
    max-height: 400px;
    overflow-y: auto;
}

.feedback-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid #f3f4f6;
    transition: background var(--transition-fast);
}

.feedback-item:hover {
    background: #f9fafb;
}

.feedback-item:last-child {
    border-bottom: none;
}

.feedback-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.feedback-customer strong {
    color: #111827;
}

.feedback-date {
    font-size: var(--font-size-xs);
    color: #6b7280;
}

.feedback-rating {
    display: flex;
    gap: var(--spacing-xs);
}

.star {
    color: #d1d5db;
    transition: color var(--transition-fast);
}

.star.filled {
    color: #fbbf24;
}

.feedback-content p {
    margin: 0 0 var(--spacing-sm);
    color: #4b5563;
}

.feedback-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tag-department {
    background: #dbeafe;
    color: #1e40af;
}

.tag-location {
    background: #f3e8ff;
    color: #6b21a8;
}

/* ===== Trend Lists ===== */
.trend-list {
    max-height: 300px;
    overflow-y: auto;
}

.trend-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #f3f4f6;
}

.trend-item:last-child {
    border-bottom: none;
}

.trend-info {
    flex: 1;
}

.trend-name {
    font-weight: 500;
    color: #111827;
    margin-bottom: var(--spacing-xs);
}

.trend-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: #6b7280;
}

.trend-bar {
    width: 60px;
    height: 6px;
    background: #e5e7eb;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-left: var(--spacing-md);
}

.trend-progress {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-slow);
}

/* ===== Empty States ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: #6b7280;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h4 {
    color: #374151;
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    margin: 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(1px) scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.btn-danger {
    background: var(--gradient-error);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-loading {
    color: transparent;
    position: relative;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid var(--white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
}

.btn-secondary:hover {
    background: #e5e7eb;
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
}

.btn-danger {
    background: var(--gradient-error);
    color: white;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ===== Alerts ===== */
.alert {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    animation: slideDown 0.3s ease;
}

.alert-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fed7aa;
    color: #92400e;
    border: 1px solid #fdba74;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ===== Tables ===== */
.table-container {
    overflow-x: auto;
}

.feedbacks-table,
.departments-table,
.products-table,
.performance-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.feedbacks-table th,
.feedbacks-table td,
.departments-table th,
.departments-table td,
.products-table th,
.products-table td,
.performance-table th,
.performance-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.feedbacks-table th,
.departments-table th,
.products-table th,
.performance-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
    position: sticky;
    top: 0;
    z-index: 10;
}

.feedbacks-table tr:hover,
.departments-table tr:hover,
.products-table tr:hover,
.performance-table tr:hover {
    background: #f9fafb;
}

.date-cell {
    line-height: 1.2;
}

.date-cell small {
    display: block;
    color: #6b7280;
    font-size: var(--font-size-xs);
}

.customer-cell {
    line-height: 1.2;
}

.customer-cell small {
    display: block;
    color: #6b7280;
    font-size: var(--font-size-xs);
}

.rating-cell {
    text-align: center;
}

.rating-cell .stars {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
}

.recommend-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.recommend-badge.yes {
    background: #d1fae5;
    color: #065f46;
}

.recommend-badge.no {
    background: #fee2e2;
    color: #991b1b;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.department-name,
.product-name {
    display: flex;
    align-items: center;
}

.department-icon,
.product-icon {
    margin-right: var(--spacing-sm);
}

.category-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #f3f4f6;
    color: #374151;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.feedback-count {
    font-weight: 600;
    color: var(--primary-color);
}

/* ===== Filters ===== */
.filters-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.filters-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filters-form {
    padding: var(--spacing-lg);
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.filter-row:last-child {
    margin-bottom: 0;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: #374151;
}

.filter-actions {
    display: flex;
    align-items: flex-end;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid #e5e7eb;
}

.pagination-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-sm);
    color: #6b7280;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background: #f3f4f6;
    color: var(--primary-color);
}

.pagination-link.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
}

/* ===== Modals ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-large {
    max-width: 800px;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #111827;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: #6b7280;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: #f3f4f6;
    color: #374151;
}

.modal-body {
    padding: var(--spacing-lg);
}

/* ===== Form Elements ===== */
.form-inline {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #374151;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #d1d5db;
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: var(--font-size-sm);
}

.radio-group {
    display: flex;
    gap: var(--spacing-lg);
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #374151;
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #d1d5db;
    border-radius: 50%;
    margin-right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.radio-label input[type="radio"]:checked + .radio-custom {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

/* ===== Star Rating ===== */
.star-rating {
    display: flex;
    gap: var(--spacing-2);
    margin: var(--spacing-4) 0;
    justify-content: center;
}

.star-rating input[type="radio"] {
    display: none;
}

.star-rating label {
    font-size: var(--font-size-3xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--gray-300);
    transform: scale(1);
    display: block;
    line-height: 1;
}

.star-rating label:hover {
    color: var(--accent-400);
    transform: scale(1.1);
}

.star-rating input[type="radio"]:checked ~ label {
    color: var(--gray-300);
}

.star-rating input[type="radio"]:checked + label,
.star-rating input[type="radio"]:checked ~ label {
    color: var(--accent-400);
}

.star-rating label:has(+ input[type="radio"]:checked) {
    color: var(--accent-400);
}

/* Fallback for browsers without :has() support */
.star-rating .selected {
    color: var(--accent-400);
}

/* ===== Feedback Form ===== */
.feedback-page {
    background: var(--gradient-hero);
    min-height: 100vh;
    padding: var(--spacing-8);
    position: relative;
    overflow: hidden;
}

.feedback-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    background-size: cover, cover, 40px 40px;
}

.feedback-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.language-toggle {
    position: fixed;
    top: var(--spacing-8);
    right: var(--spacing-8);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3) var(--spacing-4);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-sticky);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.language-toggle a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
}

.language-toggle a.active {
    color: var(--white);
    background: var(--gradient-primary);
}

.language-toggle span {
    margin: 0 var(--spacing-1);
    color: var(--gray-400);
}

.shop-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    padding: var(--spacing-12);
    text-align: center;
    margin-bottom: var(--spacing-8);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shop-logo {
    margin-bottom: var(--spacing-8);
}

.shop-logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.1));
}

.logo-placeholder {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-5xl);
    margin: 0 auto;
    box-shadow: 0 16px 32px rgba(79, 70, 229, 0.3);
    position: relative;
    overflow: hidden;
}

.logo-placeholder::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.shop-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.shop-header p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.feedback-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    padding: var(--spacing-12);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section h3 {
    margin-bottom: var(--spacing-lg);
    color: #111827;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: var(--spacing-sm);
}

.success-message {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.2);
    padding: var(--spacing-2xl);
    text-align: center;
    animation: slideUp 0.5s ease;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.success-message h2 {
    color: var(--success-color);
    margin-bottom: var(--spacing-md);
}

.error-message {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.2);
    padding: var(--spacing-2xl);
    text-align: center;
    animation: slideUp 0.5s ease;
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.error-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.error-message h2 {
    color: var(--error-color);
    margin-bottom: var(--spacing-md);
}

/* ===== Charts ===== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-card canvas {
    max-height: 300px;
}

.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
}

.rating-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rating-display .stars {
    display: flex;
    gap: var(--spacing-xs);
}

.recommendation-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar-fill {
    height: 8px;
    background: var(--gradient-success);
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
}

/* ===== Settings ===== */
.settings-container {
    max-width: 800px;
}

.settings-tabs {
    display: flex;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    background: none;
    color: #6b7280;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    background: #f3f4f6;
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.settings-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.form-description {
    color: #6b7280;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.current-logo {
    margin-top: var(--spacing-md);
    text-align: center;
}

.current-logo img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.current-logo p {
    margin: var(--spacing-sm) 0 0 0;
    color: #6b7280;
    font-size: var(--font-size-sm);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(200%) rotate(45deg);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -30px, 0);
    }
    70% {
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .tables-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .feedback-container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .auth-page {
        padding: var(--spacing-6);
    }
    
    .auth-card {
        padding: var(--spacing-8);
        max-width: 100%;
    }
    
    .auth-page {
        padding: var(--spacing-6);
    }
    
    .auth-card {
        padding: var(--spacing-8);
        max-width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .form-inline {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-3);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .feedback-link {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .date-filter-form {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .header-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-3);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-4);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .star-rating {
        justify-content: center;
        gap: var(--spacing-1);
    }
    
    .radio-group {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .action-buttons {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .settings-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        border-bottom: 1px solid var(--gray-200);
        border-right: none;
        border-radius: 0;
    }
    
    .tab-btn:first-child {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    
    .tab-btn:last-child {
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    }
    
    .tab-btn.active {
        border-bottom-color: var(--primary-color);
        background: var(--gradient-primary);
        color: var(--white);
    }
    
    .shop-header {
        padding: var(--spacing-8);
    }
    
    .feedback-form {
        padding: var(--spacing-8);
    }
    
    .otp-inputs {
        gap: var(--spacing-2);
    }
    
    .otp-input {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: var(--spacing-4);
    }
    
    .auth-card {
        padding: var(--spacing-6);
    }
    
    .logo-icon {
        width: 44px;
        height: 44px;
        font-size: var(--font-size-lg);
    }
    
    .logo h1 {
        font-size: var(--font-size-2xl);
    }
    
    .main-content {
        padding: var(--spacing-4);
    }
    
    .dashboard-header {
        padding: var(--spacing-6);
    }
    
    .stat-card {
        padding: var(--spacing-6);
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-2xl);
        margin-right: 0;
        margin-bottom: var(--spacing-4);
    }
    
    .stat-content h3 {
        font-size: var(--font-size-2xl);
    }
    
    .card-header,
    .card-content {
        padding: var(--spacing-6);
    }
    
    .filters-header,
    .filters-form {
        padding: var(--spacing-6);
    }
    
    .btn {
        padding: var(--spacing-4) var(--spacing-5);
    }
    
    .btn-sm {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .shop-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .shop-header p {
        font-size: var(--font-size-base);
    }
    
    .shop-logo img,
    .logo-placeholder {
        width: 100px;
        height: 100px;
    }
    
    .feedback-form .form-row {
        gap: 0;
    }
    
    .feedback-form {
        padding: var(--spacing-6);
    }
}

/* ===== Print Styles ===== */
@media print {
    .sidebar,
    .header-actions,
    .language-toggle,
    .btn,
    .modal {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .dashboard-card,
    .table-card,
    .chart-card {
        box-shadow: none !important;
        border: 1px solid #e5e7eb !important;
        break-inside: avoid;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Focus Styles ===== */
.btn:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== Utility Classes ===== */
.container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--secondary-color); }
.bg-success { background: var(--success); }
.bg-warning { background: var(--warning); }
.bg-error { background: var(--error); }

.shadow-glow { box-shadow: var(--shadow-glow); }
.shadow-glow-success { box-shadow: var(--shadow-glow-success); }
.shadow-glow-error { box-shadow: var(--shadow-glow-error); }

.border-primary { border-color: var(--primary-color); }
.border-secondary { border-color: var(--secondary-color); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.block { display: block; }
.hidden { display: none; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

.mt-2 { margin-top: var(--spacing-2); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-8 { margin-bottom: var(--spacing-8); }

.p-2 { padding: var(--spacing-2); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.rounded { border-radius: var(--radius-lg); }
.rounded-lg { border-radius: var(--radius-xl); }
.rounded-xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.transition { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

.hover\:scale:hover {
    transform: scale(1.05);
}

.hover\:shadow:hover {
    box-shadow: var(--shadow-lg);
}

.focus\:ring:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.pointer-events-none { pointer-events: none; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.transform { transform: translateZ(0); }
.backface-hidden { backface-visibility: hidden; }

/* ===== Mobile Menu Toggle ===== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-6);
    left: var(--spacing-6);
    z-index: var(--z-modal);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--spacing-3);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    position: relative;
}

.mobile-menu-toggle span::before,
.mobile-menu-toggle span::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.mobile-menu-toggle span::before {
    top: -8px;
}

.mobile-menu-toggle span::after {
    top: 8px;
}

.mobile-menu-toggle.active span {
    background: transparent;
}

.mobile-menu-toggle.active span::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active span::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ===== Mobile Overlay ===== */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .stat-card,
    .dashboard-card,
    .table-card {
        border: 2px solid var(--gray-400);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        border-width: 2px;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}