/* 
Animation Institute CMS - Complete Stylesheet
Version 5.0 - Fully Mobile Responsive - Modern Mobile-First Design with Blue-Black-Red-Green Theme
*/

/* ===== ROOT VARIABLES & RESET ===== */
:root {
    /* Modern Color Palette - Blue, Black, Red & Green */
    --primary-color: #2563EB;      /* Vibrant blue - primary actions */
    --primary-dark: #1E40AF;       /* Dark blue for depth */
    --primary-light: #60A5FA;      /* Light blue for accents */
    --secondary-color: #0F172A;    /* Deep black-blue background */
    --secondary-light: #1E293B;    /* Lighter black-blue for cards */
    --secondary-dark: #020617;     /* Almost pure black */
    --accent-color: #DC2626;       /* Bold red for highlights/delete */
    --accent-green: #16A34A;       /* Fresh green for success/add */
    --danger-color: #DC2626;       /* Red for errors */
    --warning-color: #F59E0B;      /* Amber for warnings */
    --success-color: #16A34A;      /* Green for success */
    --info-color: #3B82F6;         /* Blue for info */
    
    /* Neutral Colors - Dark Theme */
    --dark-bg: #030712;            /* Almost black background */
    --sidebar-bg: #111827;         /* Dark navy for sidebar */
    --card-bg: #1F2937;            /* Dark card background */
    --body-bg: #0A0F1C;            /* Very dark blue-black */
    --border-color: #374151;       /* Dark border */
    --text-primary: #F9FAFB;       /* Almost white for primary text */
    --text-secondary: #D1D5DB;     /* Light gray for secondary */
    --text-light: #9CA3AF;         /* Medium gray for hints */
    --text-white: #FFFFFF;          /* White text */
    
    /* Blue Shades */
    --blue-50: #EFF6FF;            /* Lightest blue */
    --blue-100: #DBEAFE;           /* Very light blue */
    --blue-200: #BFDBFE;           /* Light blue */
    --blue-300: #93C5FD;           /* Medium light blue */
    --blue-400: #60A5FA;           /* Medium blue */
    --blue-500: #3B82F6;           /* Primary blue */
    --blue-600: #2563EB;           /* Dark blue */
    --blue-700: #1D4ED8;           /* Darker blue */
    --blue-800: #1E40AF;           /* Very dark blue */
    --blue-900: #1E3A8A;           /* Almost navy */
    
    /* Green Shades */
    --green-50: #F0FDF4;           /* Lightest green */
    --green-100: #DCFCE7;          /* Very light green */
    --green-200: #BBF7D0;          /* Light green */
    --green-300: #86EFAC;          /* Medium light green */
    --green-400: #4ADE80;          /* Medium green */
    --green-500: #22C55E;          /* Primary green */
    --green-600: #16A34A;          /* Dark green */
    --green-700: #15803D;          /* Darker green */
    --green-800: #166534;          /* Very dark green */
    --green-900: #14532D;          /* Almost black green */
    
    /* Red Shades */
    --red-50: #FEF2F2;             /* Lightest red */
    --red-100: #FEE2E2;            /* Very light red */
    --red-200: #FECACA;            /* Light red */
    --red-300: #FCA5A5;            /* Medium light red */
    --red-400: #F87171;            /* Medium red */
    --red-500: #EF4444;            /* Primary red */
    --red-600: #DC2626;            /* Dark red */
    --red-700: #B91C1C;            /* Darker red */
    --red-800: #991B1B;            /* Very dark red */
    --red-900: #7F1D1D;            /* Almost black red */
    
    /* Gray Shades - Dark Theme */
    --gray-50: #F9FAFB;            /* Off-white */
    --gray-100: #F3F4F6;           /* Light gray */
    --gray-200: #E5E7EB;           /* Medium light gray */
    --gray-300: #D1D5DB;           /* Medium gray */
    --gray-400: #9CA3AF;           /* Gray */
    --gray-500: #6B7280;           /* Medium dark gray */
    --gray-600: #4B5563;           /* Dark gray */
    --gray-700: #374151;           /* Darker gray */
    --gray-800: #1F2937;           /* Very dark gray */
    --gray-900: #111827;           /* Almost black */
    --gray-950: #030712;           /* Pure black */
    
    /* Spacing - Mobile Optimized */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 0.75rem;  /* 12px */
    --space-md: 1rem;     /* 16px - base */
    --space-lg: 1.5rem;   /* 24px */
    --space-xl: 2rem;     /* 32px */
    --space-2xl: 2.5rem;  /* 40px */
    --space-3xl: 3rem;    /* 48px */
    
    /* Typography - Mobile First */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-md: 1rem;      /* 16px - base */
    --font-size-lg: 1.125rem;  /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */
    
    /* Border Radius - Rounded & Modern */
    --radius-sm: 0.5rem;    /* 8px */
    --radius-md: 0.75rem;   /* 12px */
    --radius-lg: 1rem;      /* 16px */
    --radius-xl: 1.25rem;   /* 20px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Enhanced for Dark Theme */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 8px 10px rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 10px 40px rgba(37, 99, 235, 0.2);
    --shadow-glow: 0 0 15px rgba(37, 99, 235, 0.3);
    
    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.5;
    font-weight: 400;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== MOBILE FIRST LAYOUT ===== */

/* Container */
.container {
    display: flex;
    min-height: 100vh;
    position: relative;
    flex-direction: column;
}

@media (min-width: 768px) {
    .container {
        flex-direction: row;
    }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-md);
    min-height: 100vh;
    background: var(--body-bg);
    transition: margin-left var(--transition-normal);
    width: 100%;
}

@media (min-width: 768px) {
    .main-content {
        margin-left: 280px;
        padding: var(--space-xl);
    }
}

/* ===== MOBILE HEADER ===== */
.mobile-header {
    display: flex;
    align-items: center;
    background: var(--secondary-light);
    color: var(--text-primary);
    padding: var(--space-md) var(--space-lg);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background: rgba(30, 41, 59, 0.95);
}

@media (min-width: 768px) {
    .mobile-header {
        display: none;
    }
}

.mobile-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.mobile-header h1 {
    font-size: var(--font-size-lg);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-toggle {
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    width: 44px;
    height: 44px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle:active {
    background: var(--primary-dark);
    transform: scale(0.95);
}

/* ===== SIDEBAR - DARK THEME ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-white);
    z-index: var(--z-modal);
    transition: left var(--transition-normal);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .sidebar {
        left: 0;
        width: 280px;
        box-shadow: var(--shadow-soft);
    }
}

.sidebar.active {
    left: 0;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-modal-backdrop);
    display: none;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    display: block;
}

/* Custom scrollbar for sidebar */
.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.logo {
    padding: var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.logo h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo h2 i {
    color: var(--primary-light);
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.3));
}

.user-profile {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--blue-700));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
    border: 2px solid var(--primary-light);
    box-shadow: var(--shadow-glow);
}

.user-details h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 2px;
    color: white;
}

.user-details p {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin: 0;
    color: var(--text-secondary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-md) 0;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin: 2px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    font-weight: 500;
    font-size: var(--font-size-md);
}

.sidebar-nav a:hover,
.sidebar-nav a:active {
    background: rgba(37, 99, 235, 0.15);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar-nav a.active {
    background: rgba(37, 99, 235, 0.2);
    color: white;
    border-left-color: var(--primary-color);
    font-weight: 600;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sidebar-nav i {
    width: 24px;
    margin-right: var(--space-sm);
    font-size: 1.1rem;
    text-align: center;
    color: var(--primary-light);
}

.sidebar-nav .logout a {
    color: var(--red-400);
}

.sidebar-nav .logout a:hover {
    background: rgba(220, 38, 38, 0.2);
    border-left-color: var(--danger-color);
}

.sidebar-footer {
    padding: var(--space-lg);
    text-align: center;
    font-size: var(--font-size-xs);
    opacity: 0.6;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--font-size-2xl);
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }
}

h2 {
    font-size: var(--font-size-xl);
}

@media (min-width: 768px) {
    h2 {
        font-size: var(--font-size-2xl);
    }
}

/* ===== HEADER SECTION ===== */
.header {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-xl);
    }
}

.header h1 {
    font-size: var(--font-size-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: 0;
    color: var(--text-primary);
}

.header h1 i {
    color: var(--primary-color);
}

/* ===== STATS GRID - MODERN CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-card:active {
    transform: scale(0.98);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--blue-700));
    box-shadow: var(--shadow-glow);
}

.stat-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: 2px;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
    font-weight: 500;
}

/* ===== TABLES - MOBILE OPTIMIZED ===== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    margin: var(--space-md) 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 100%;
    color: var(--text-primary);
}

@media (max-width: 767px) {
    /* Card-style table for mobile */
    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td {
        display: block;
    }
    
    .data-table thead {
        display: none;
    }
    
    .data-table tr {
        margin-bottom: var(--space-md);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--space-lg);
        background: var(--card-bg);
        box-shadow: var(--shadow-md);
    }
    
    .data-table td {
        padding: var(--space-sm) 0;
        border: none;
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        color: var(--text-primary);
    }
    
    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        min-width: 100px;
        font-size: var(--font-size-sm);
    }
}

@media (min-width: 768px) {
    .data-table {
        min-width: 100%;
    }
    
    .data-table th {
        background: var(--gray-800);
        padding: var(--space-md) var(--space-lg);
        text-align: left;
        font-weight: 600;
        color: var(--text-secondary);
        border-bottom: 2px solid var(--border-color);
        font-size: var(--font-size-sm);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    
    .data-table td {
        padding: var(--space-md) var(--space-lg);
        border-bottom: 1px solid var(--border-color);
        color: var(--text-primary);
    }
    
    .data-table tbody tr:hover {
        background-color: var(--gray-800);
    }
}

/* ===== FORMS - MOBILE FRIENDLY ===== */
.form-container {
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .form-container {
        max-width: 600px;
    }
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
    background: var(--gray-800);
    color: var(--text-primary);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.form-control::placeholder {
    color: var(--text-light);
}

/* Custom select styling */
select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233B82F6' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em;
    padding-right: 2.5rem;
}

/* ===== BUTTONS - MOBILE OPTIMIZED ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: var(--font-family);
    min-height: 48px;
    min-width: 48px;
    touch-action: manipulation;
    border: 1px solid transparent;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--blue-700));
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.btn-primary:active {
    background: linear-gradient(135deg, var(--blue-700), var(--primary-color));
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-800);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--gray-700);
    border-color: var(--primary-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--green-700));
    color: white;
    box-shadow: 0 0 15px rgba(22, 163, 74, 0.3);
}

.btn-success:hover {
    box-shadow: 0 0 20px rgba(22, 163, 74, 0.5);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--red-700));
    color: white;
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.3);
}

.btn-danger:hover {
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    min-height: 40px;
    min-width: 40px;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--font-size-lg);
    min-height: 56px;
}

/* ===== ACTION BUTTONS ===== */
.action-buttons {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

@media (max-width: 767px) {
    .action-buttons {
        justify-content: flex-start;
    }
    
    .action-buttons .btn-sm {
        flex: 0 1 auto;
    }
}

/* ===== STATUS BADGES ===== */
.status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    min-width: 80px;
    text-align: center;
}

.status-new {
    background: var(--blue-900);
    color: var(--blue-300);
    border: 1px solid var(--blue-700);
}

.status-contacted {
    background: var(--gray-800);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.status-follow_up {
    background: var(--blue-900);
    color: var(--blue-300);
    border: 1px solid var(--blue-700);
}

.status-converted {
    background: var(--green-900);
    color: var(--green-300);
    border: 1px solid var(--green-700);
}

.status-lost {
    background: var(--red-900);
    color: var(--red-300);
    border: 1px solid var(--red-700);
}

/* ===== CONTENT CARDS ===== */
.content-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .content-card {
        padding: var(--space-xl);
        margin-bottom: var(--space-xl);
    }
}

.card-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border-color);
}

@media (min-width: 768px) {
    .card-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.card-header h2 {
    font-size: var(--font-size-lg);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
}

.card-header h2 i {
    color: var(--primary-color);
}

/* ===== QUICK ACTIONS GRID ===== */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .quick-actions-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
    }
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--card-bg);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    text-align: center;
    min-height: 120px;
}

.quick-action-btn:hover {
    background: var(--gray-800);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.quick-action-btn:active {
    transform: scale(0.97);
}

.quick-action-btn i {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

.quick-action-btn span {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===== FILTER BAR ===== */
.filter-bar {
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .filter-bar {
        flex-direction: row;
        align-items: flex-end;
        gap: var(--space-lg);
    }
}

.filter-group {
    flex: 1;
}

.filter-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===== PAGINATION - MOBILE FRIENDLY ===== */
.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-xl);
    padding: var(--space-md);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--space-sm);
    background: var(--gray-800);
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.page-link:active {
    transform: scale(0.95);
}

.page-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
    background: var(--gray-900);
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: none;
    justify-content: center;
    align-items: center;
    padding: var(--space-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-normal);
    border: 1px solid var(--border-color);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.m-0 { margin: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-0 { margin-top: 0 !important; }

/* Color utilities */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-green { color: var(--success-color) !important; }
.text-red { color: var(--danger-color) !important; }

.bg-primary { background: var(--primary-color) !important; }
.bg-success { background: var(--success-color) !important; }
.bg-danger { background: var(--danger-color) !important; }
.bg-dark { background: var(--card-bg) !important; }

/* Responsive utilities */
@media (min-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }
    .d-md-flex { display: flex !important; }
}

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== TOUCH OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap targets */
    a, button, [role="button"],
    .btn, .page-link, .quick-action-btn {
        min-height: 48px;
        min-width: 48px;
    }
    
    /* Remove hover effects */
    .btn:hover,
    .stat-card:hover,
    .quick-action-btn:hover,
    .page-link:hover {
        transform: none;
    }
    
    /* Better touch feedback */
    .btn:active,
    .stat-card:active,
    .quick-action-btn:active,
    .page-link:active {
        transform: scale(0.97);
        transition: transform 0.1s ease;
    }
}

/* ===== SAFE AREA INSETS (for notched phones) ===== */
@supports (padding: max(0px)) {
    .mobile-header {
        padding-left: max(var(--space-lg), env(safe-area-inset-left));
        padding-right: max(var(--space-lg), env(safe-area-inset-right));
        padding-top: max(var(--space-md), env(safe-area-inset-top));
    }
    
    .sidebar {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .main-content {
        padding-left: max(var(--space-md), env(safe-area-inset-left));
        padding-right: max(var(--space-md), env(safe-area-inset-right));
        padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
    }
}

/* ===== ACCESSIBILITY ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .sidebar,
    .mobile-header,
    .mobile-menu-toggle,
    .action-buttons,
    .btn,
    .filter-bar {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    
    .content-card,
    .stat-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
        background: white !important;
        color: black !important;
    }
}