/* Sequentia Theme - Modern Design System */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===========================
   CSS VARIABLES
   =========================== */
:root {
    /* Brand Colors - Sequentia */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8A5C;
    --accent: #FFA07A;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #111827;
    --grey-50: #F9FAFB;
    --grey-100: #F3F4F6;
    --grey-200: #E5E7EB;
    --grey-300: #D1D5DB;
    --grey-400: #9CA3AF;
    --grey-500: #6B7280;
    --grey-600: #4B5563;
    --grey-700: #374151;
    --grey-800: #1F2937;
    --grey-900: #111827;
    
    /* Semantic Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #EF4444;
    --error-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    
    /* Shadows */
    --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-orange: 0 4px 20px 0 rgba(255, 107, 53, 0.3);
    --shadow-orange-lg: 0 10px 40px 0 rgba(255, 107, 53, 0.35);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--grey-900);
    background: var(--grey-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--grey-900);
    margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.875rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-4);
    color: var(--grey-600);
}

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

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

/* ===========================
   HEADER
   =========================== */
.main-header {
    background: var(--white);
    border-bottom: 1px solid var(--grey-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.logo a {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--grey-900);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-base);
}

.logo a:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.logo-icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 53, 0.2));
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.main-nav a {
    color: var(--grey-600);
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    white-space: nowrap;
}

.main-nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary);
    transition: transform var(--transition-base);
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--grey-50);
}

.main-nav a:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.user-menu span {
    color: var(--grey-600);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--grey-900);
}

/* ===========================
   CONTAINER & LAYOUT
   =========================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    flex: 1;
    width: 100%;
}

/* ===========================
   DASHBOARD
   =========================== */
.dashboard h1 {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-6);
}

.welcome-message {
    background: linear-gradient(135deg, var(--white) 0%, var(--grey-50) 100%);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-10);
    border-left: 5px solid var(--primary);
    position: relative;
    overflow: hidden;
}

.welcome-message::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.welcome-message p {
    position: relative;
    z-index: 1;
}

.welcome-message strong {
    color: var(--primary);
    font-weight: 700;
}

/* ===========================
   ACTIONS GRID
   =========================== */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.action-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--grey-900);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.action-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.action-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-orange-lg);
    border-color: var(--primary);
}

.action-card:hover::before {
    transform: scaleX(1);
}

.action-card:hover::after {
    opacity: 1;
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-4);
    transition: transform var(--transition-base);
    position: relative;
    z-index: 1;
}

.action-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
}

.action-card h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}

.action-card p {
    font-size: 0.9375rem;
    color: var(--grey-600);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    line-height: 1.6;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-orange);
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-orange-lg);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-orange);
}

.btn-secondary {
    background: var(--grey-200);
    color: var(--grey-900);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--grey-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-orange);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--grey-700);
}

.btn-ghost:hover {
    background: var(--grey-100);
    color: var(--primary);
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: var(--error);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background: #DC2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(239, 68, 68, 0.35);
}

.btn-sm {
    padding: var(--space-2) var(--space-5);
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: 1.125rem;
    border-radius: var(--radius-2xl);
}

.btn-block {
    width: 100%;
}

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

/* Button Group */
.btn-group {
    display: inline-flex;
    gap: var(--space-2);
}

.btn-group .btn {
    margin: 0;
}

/* Icon Button */
.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-icon.btn-sm {
    width: 36px;
    height: 36px;
}

.btn-icon.btn-lg {
    width: 56px;
    height: 56px;
}

/* ===========================
   FORMS
   =========================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-3);
    font-weight: 600;
    color: var(--grey-900);
    font-size: 0.9375rem;
}

.form-control {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--grey-300);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-base);
    background: var(--white);
    color: var(--grey-900);
    box-shadow: var(--shadow-xs);
}

.form-control:hover {
    border-color: var(--grey-400);
    box-shadow: var(--shadow-sm);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1), var(--shadow-sm);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: var(--grey-400);
    font-style: italic;
}

/* Select Custom Styling */
select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 20px;
    padding-right: var(--space-12);
}

select.form-control:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Date & Time Inputs */
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    position: relative;
    padding-right: var(--space-12);
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    position: absolute;
    right: var(--space-4);
    width: 20px;
    height: 20px;
    cursor: pointer;
    filter: invert(48%) sepia(79%) saturate(2476%) hue-rotate(346deg) brightness(100%) contrast(101%);
    opacity: 0.8;
}

input[type="date"]:hover::-webkit-calendar-picker-indicator,
input[type="time"]:hover::-webkit-calendar-picker-indicator,
input[type="datetime-local"]:hover::-webkit-calendar-picker-indicator {
    opacity: 1;
    transform: scale(1.1);
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Form Help Text */
.form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--grey-500);
    font-style: italic;
}

/* Input with Icon */
.input-group {
    position: relative;
}

.input-group .form-control {
    padding-left: var(--space-12);
}

.input-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--grey-400);
    font-size: 1.25rem;
    pointer-events: none;
    transition: color var(--transition-base);
}

.input-group .form-control:focus + .input-icon {
    color: var(--primary);
}

/* Floating Labels */
.form-floating {
    position: relative;
}

.form-floating .form-control {
    padding: var(--space-5) var(--space-4) var(--space-2);
}

.form-floating label {
    position: absolute;
    top: var(--space-4);
    left: var(--space-5);
    color: var(--grey-500);
    pointer-events: none;
    transition: all var(--transition-base);
    background: var(--white);
    padding: 0 var(--space-2);
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
    top: -10px;
    left: var(--space-3);
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}

/* Checkbox & Radio Modern Style */
input[type="checkbox"],
input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
    background: var(--white);
    margin-right: var(--space-2);
    vertical-align: middle;
}

input[type="radio"] {
    border-radius: 50%;
}

input[type="checkbox"]:hover,
input[type="radio"]:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}

/* File Input Modern */
input[type="file"] {
    padding: var(--space-3);
    border: 2px dashed var(--grey-300);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--grey-50);
}

input[type="file"]:hover {
    border-color: var(--primary);
    background: rgba(255, 107, 53, 0.05);
}

input[type="file"]::file-selector-button {
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    margin-right: var(--space-3);
    transition: all var(--transition-base);
}

input[type="file"]::file-selector-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Disabled State */
.form-control:disabled,
.form-control[readonly] {
    background: var(--grey-100);
    color: var(--grey-500);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Form Validation States */
.form-control.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2310B981' stroke-width='2'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 20px;
    padding-right: var(--space-12);
}

.form-control.is-invalid {
    border-color: var(--error);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23EF4444' stroke-width='2'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 20px;
    padding-right: var(--space-12);
}

.valid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--success);
}

.invalid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--error);
}

/* Form Row/Grid */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

/* Number input controls */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    opacity: 1;
    cursor: pointer;
}

/* Search Input Special Style */
input[type="search"] {
    padding-left: var(--space-12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.35-4.35'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left var(--space-4) center;
    background-size: 18px;
}

input[type="search"]:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.35-4.35'%3E%3C/path%3E%3C/svg%3E");
}

/* Range Input */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--grey-200);
    outline: none;
    transition: all var(--transition-base);
}

input[type="range"]:hover {
    background: var(--grey-300);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-orange);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-orange);
}

/* ===========================
   CARDS
   =========================== */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    border: 1px solid var(--grey-200);
}

.card-header {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--grey-100);
}

.card-header h2 {
    margin-bottom: var(--space-2);
}

.card-header p {
    color: var(--grey-600);
    margin-bottom: 0;
}

/* ===========================
   DROP ZONE
   =========================== */
.drop-zone {
    border: 3px dashed var(--grey-300);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    transition: all var(--transition-base);
    background: var(--grey-50);
    cursor: pointer;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(255, 107, 53, 0.05);
    transform: scale(1.01);
}

.drop-zone-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}

.drop-zone-text {
    color: var(--grey-700);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.drop-zone-subtext {
    color: var(--grey-500);
    font-size: 0.9375rem;
}

/* ===========================
   TABLES
   =========================== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--grey-200);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

thead {
    background: var(--grey-50);
    border-bottom: 2px solid var(--grey-300);
}

thead th {
    padding: var(--space-4);
    text-align: left;
    font-weight: 700;
    color: var(--grey-900);
    white-space: nowrap;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--grey-200);
    color: var(--grey-700);
    font-size: 0.9375rem;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--grey-50);
}

/* ===========================
   BADGES & STATUS
   =========================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-completed {
    background: var(--success-light);
    color: var(--success);
}

.status-in-progress {
    background: var(--warning-light);
    color: var(--warning);
}

.status-error {
    background: var(--error-light);
    color: var(--error);
}

/* Score Colors */
.score-excellent {
    color: var(--success);
    font-weight: 700;
}

.score-good {
    color: var(--warning);
    font-weight: 700;
}

.score-poor {
    color: var(--error);
    font-weight: 700;
}

.average-score {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

/* ===========================
   ALERTS
   =========================== */
.alert {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    border-left: 5px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.alert-success {
    background: var(--success-light);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: var(--error-light);
    border-color: var(--error);
    color: var(--error);
}

.alert-warning {
    background: var(--warning-light);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: var(--info-light);
    border-color: var(--info);
    color: var(--info);
}

/* ===========================
   SPINNER
   =========================== */
.spinner {
    border: 4px solid var(--grey-200);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 0.8s linear infinite;
    margin: var(--space-8) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===========================
   FOOTER
   =========================== */
.main-footer {
    background: var(--white);
    border-top: 1px solid var(--grey-200);
    padding: var(--space-8) 0;
    text-align: center;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-content p {
    color: var(--grey-600);
    margin-bottom: var(--space-2);
    font-size: 0.9375rem;
}

.footer-branding {
    font-weight: 700;
    font-size: 1.125rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   STATS
   =========================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--grey-50) 0%, var(--white) 100%);
    border-radius: var(--radius-xl);
    margin-top: var(--space-8);
    border: 1px solid var(--grey-200);
}

.stat-item {
    text-align: center;
    padding: var(--space-4);
}

.stat-value {
    font-size: 3rem;
    font-weight: 900;
    font-family: 'Poppins', sans-serif;
    margin-bottom: var(--space-2);
    line-height: 1;
}

.stat-label {
    color: var(--grey-600);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ===========================
   RESULTS
   =========================== */
.results-container {
    margin-top: var(--space-10);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--grey-100);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.results-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0;
}

/* ===========================
   LOGIN PAGE
   =========================== */
.login-page {
    background: linear-gradient(135deg, var(--grey-100) 0%, var(--white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-6);
}

.login-container {
    width: 100%;
    max-width: 480px;
}

.login-box {
    background: var(--white);
    padding: var(--space-12);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border-top: 5px solid var(--primary);
}

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

.login-header h1 {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.login-header p {
    color: var(--grey-600);
    font-size: 1rem;
}

.login-footer {
    margin-top: var(--space-10);
    text-align: center;
    padding-top: var(--space-6);
    border-top: 1px solid var(--grey-200);
}

.login-footer p {
    font-size: 0.875rem;
    margin-bottom: var(--space-2);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

/* Tablets */
@media (max-width: 1024px) {
    .container {
        padding: var(--space-6) var(--space-4);
    }
    
    .actions-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-5);
    }
}

/* Mobile */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .header-content {
        flex-wrap: wrap;
        padding: var(--space-4);
        gap: var(--space-4);
    }
    
    .logo a {
        font-size: 1.25rem;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        flex-direction: column;
        gap: var(--space-2);
        display: none;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav a {
        width: 100%;
        text-align: center;
        padding: var(--space-3);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .user-menu {
        gap: var(--space-2);
    }
    
    .user-menu span {
        font-size: 0.875rem;
    }
    
    .container {
        padding: var(--space-6) var(--space-4);
    }
    
    .welcome-message {
        padding: var(--space-6);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .action-card {
        padding: var(--space-6);
    }
    
    .card {
        padding: var(--space-6);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
        padding: var(--space-6);
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .results-header h3 {
        font-size: 1.5rem;
    }
    
    .login-box {
        padding: var(--space-8);
    }
    
    thead th,
    tbody td {
        padding: var(--space-3);
        font-size: 0.875rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .drop-zone {
        padding: var(--space-8);
        min-height: 200px;
    }
    
    .drop-zone-icon {
        font-size: 3rem;
    }
}

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

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

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

/* Print styles */
@media print {
    .main-header,
    .main-footer,
    .btn,
    .drop-zone {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .card,
    .table-wrapper {
        box-shadow: none;
        border: 1px solid var(--grey-300);
    }
}

/* ==========================================
   LIGNE TOTAL - 303 Interpreter
   ========================================== */

.total-row {
    background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DC 100%);
    border-top: 3px solid #FF6B35;
    border-bottom: 3px solid #FF6B35;
    font-weight: 600;
}

.total-row:hover {
    background: linear-gradient(135deg, #FFE8DC 0%, #FFD4C4 100%);
}

.total-cell {
    padding: 1rem 0.75rem !important;
    text-align: center;
    vertical-align: middle;
    position: sticky;
    bottom: 0;
    background: inherit;
}

.total-average {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.total-row .score-excellent {
    background: linear-gradient(135deg, #D1FAE5 0%, #A7F3D0 100%);
    color: #065F46;
    border: 2px solid #10B981;
}

.total-row .score-good {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    color: #92400E;
    border: 2px solid #F59E0B;
}

.total-row .score-poor {
    background: linear-gradient(135deg, #FEE2E2 0%, #FECACA 100%);
    color: #991B1B;
    border: 2px solid #EF4444;
}

.total-row td:first-child {
    font-size: 1.125rem;
    color: #FF6B35;
    padding-left: 1.5rem !important;
}

/* Responsive pour la ligne total */
@media (max-width: 768px) {
    .total-average {
        font-size: 1rem;
        padding: 0.375rem 0.75rem;
    }
    
    .total-row td:first-child {
        font-size: 1rem;
    }
}