/* Variables CSS */
:root {
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #0d0d15;
    --primary-cyan: #00ffff;
    --primary-magenta: #ff00ff;
    --primary-yellow: #ffff00;
    --primary-red: #ff0040;
    --primary-green: #00ff88;
    --text-primary: #ffffff;
    --text-secondary: #8888aa;
    --border-color: #1a1a2e;
    --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
    --glow-yellow: 0 0 20px rgba(255, 255, 0, 0.5);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Cyber Grid Background */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

/* Glitch Overlay */
.glitch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1;
}

/* ==========================================
   PAGE D'AUTHENTIFICATION
   ========================================== */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 450px;
}

.neon-box {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-darker));
    border: 1px solid var(--primary-cyan);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 
        var(--glow-cyan),
        inset 0 0 60px rgba(0, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.neon-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-cyan), transparent);
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% { left: -100%; }
    100% { left: 100%; }
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.glitch-text {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-cyan);
    text-shadow: 
        0 0 10px var(--primary-cyan),
        0 0 20px var(--primary-cyan),
        0 0 40px var(--primary-cyan);
    letter-spacing: 4px;
    position: relative;
    animation: glitchText 5s infinite;
}

@keyframes glitchText {
    0%, 90%, 100% { 
        text-shadow: 
            0 0 10px var(--primary-cyan),
            0 0 20px var(--primary-cyan),
            0 0 40px var(--primary-cyan);
    }
    92% { 
        text-shadow: 
            -2px 0 var(--primary-magenta),
            2px 0 var(--primary-cyan);
        transform: translate(2px, 0);
    }
    94% { 
        text-shadow: 
            2px 0 var(--primary-magenta),
            -2px 0 var(--primary-cyan);
        transform: translate(-2px, 0);
    }
}

.tagline {
    color: var(--text-secondary);
    font-size: 0.8rem;
    letter-spacing: 3px;
    margin-top: 10px;
}

/* Tabs */
.tab-container {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-cyan);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
}

.tab-btn.active::before {
    width: 100%;
}

/* Auth Form */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input {
    width: 100%;
    padding: 15px 15px 15px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label {
    top: 0;
    left: 10px;
    font-size: 0.75rem;
    background: var(--bg-card);
    padding: 0 5px;
    color: var(--primary-cyan);
}

.input-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-magenta));
    transition: width 0.3s ease;
}

.form-group input:focus ~ .input-border {
    width: 100%;
}

/* Cyber Button */
.cyber-btn {
    position: relative;
    padding: 12px 30px;
    background: linear-gradient(45deg, var(--primary-cyan), var(--primary-magenta));
    border: none;
    border-radius: 5px;
    color: var(--bg-dark);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

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

.cyber-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 30px rgba(0, 255, 255, 0.5);
}

.cyber-btn:active {
    transform: translateY(0);
}

.cyber-btn.small {
    padding: 10px 20px;
    font-size: 0.8rem;
}

.cyber-btn.secondary {
    background: transparent;
    border: 1px solid var(--primary-cyan);
    color: var(--primary-cyan);

}

.cyber-btn.danger {
    background: linear-gradient(45deg, var(--primary-red), #ff4477);
}

.cyber-btn.full-width {
    width: 100%;
}

/* Messages */
.error-message,
.success-message {
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    animation: slideIn 0.3s ease, fadeOut 0.5s ease 4s forwards;
    position: relative;
    margin-bottom: 30px;
}

.error-message.persistent,
.success-message.persistent {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; max-height: 100px; padding: 15px; margin-top: 20px; }
    to { opacity: 0; max-height: 0; padding: 0; margin-top: 0; overflow: hidden; }
}

.error-message {
    background: rgba(255, 0, 64, 0.1);
    border: 1px solid var(--primary-red);
    color: var(--primary-red);
}

.success-message {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
}

/* ==========================================
   DASHBOARD & PAGES INTERNES
   ========================================== */

.dashboard-page {
    display: flex;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-darker), var(--bg-card));
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header .glitch-text {
    font-size: 1.5rem;
}

.nav-menu {
    flex: 1;
    padding: 20px 0;
    list-style: none;
}

.nav-item {
    margin: 5px 15px;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-item a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-cyan);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-item a:hover,
.nav-item.active a {
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-cyan);
}

.nav-item.active a::before {
    transform: scaleY(1);
}

.nav-icon {
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 10px;
    background: rgba(255, 0, 64, 0.1);
    border: 1px solid var(--primary-red);
    color: var(--primary-red);
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: var(--primary-red);
    color: var(--bg-dark);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
    position: relative;
    z-index: 10;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title {
    font-size: 1.8rem;
    color: var(--primary-cyan);
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.current-time {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    color: var(--primary-magenta);
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-darker));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-cyan);
}

.stat-card.alert {
    border-color: var(--primary-red);
    animation: alertPulse 2s infinite;
}

@keyframes alertPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 0, 64, 0.3); }
    50% { box-shadow: 0 0 30px rgba(255, 0, 64, 0.6); }
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
}

.stat-icon.cyan { color: var(--primary-cyan); }
.stat-icon.magenta { color: var(--primary-magenta); }
.stat-icon.yellow { color: var(--primary-yellow); }
.stat-icon.red { color: var(--primary-red); }
.stat-icon.green { color: var(--primary-green); }

.stat-info {
    flex: 1;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.stat-glow {
    position: absolute;
    right: -30px;
    top: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
}

.stat-glow.cyan { background: var(--primary-cyan); }
.stat-glow.magenta { background: var(--primary-magenta); }
.stat-glow.yellow { background: var(--primary-yellow); }
.stat-glow.red { background: var(--primary-red); }
.stat-glow.green { background: var(--primary-green); }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.dashboard-card {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-darker));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.dashboard-card.wide {
    grid-column: span 2;
}

.dashboard-card.full-width {
    grid-column: 1 / -1;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 255, 255, 0.02);
}

.card-header h3 {
    color: var(--primary-cyan);
    font-size: 1rem;
    letter-spacing: 2px;
}

.card-content {
    padding: 20px;
}

.no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-style: italic;
}

.no-data-large {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
}

.no-data-large .icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 20px;
    opacity: 0.3;
}

/* Alert List */
.alert-list {
    list-style: none;
}

.alert-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.alert-name {
    color: var(--text-primary);
}

.alert-stock {
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.alert-stock.warning {
    background: rgba(255, 255, 0, 0.1);
    color: var(--primary-yellow);
}

.alert-stock.critical {
    background: rgba(255, 0, 64, 0.1);
    color: var(--primary-red);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Cyber Table */
.cyber-table {
    width: 100%;
    border-collapse: collapse;
}

.cyber-table th,
.cyber-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.cyber-table th {
    color: var(--primary-cyan);
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 0.85rem;
    background: rgba(0, 255, 255, 0.01);
}

.cyber-table tr:hover {
    background: rgba(0, 255, 255, 0.02);
}

.movement-type {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.movement-type.in {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary-green);
}

.movement-type.out {
    background: rgba(255, 0, 64, 0.1);
    color: var(--primary-red);
}

.movement-type.adjustment {
    background: rgba(255, 255, 0, 0.1);
    color: var(--primary-yellow);
}

.quantity.in { color: var(--primary-green); }
.quantity.out { color: var(--primary-red); }
.quantity.adjustment { color: var(--primary-yellow); }

/* Filters Bar */
.filters-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

/* Floating Label Input Style */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group .cyber-input,
.input-group .cyber-select,
.input-group textarea.cyber-input {
    width: 100%;
    padding: 14px 15px 10px 15px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.input-group .floating-label {
    position: absolute;
    left: 12px;
    top: -8px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
}

.input-group .cyber-input:focus,
.input-group .cyber-select:focus,
.input-group textarea.cyber-input:focus {
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.15);
}

.input-group .cyber-input:focus + .floating-label,
.input-group .cyber-select:focus + .floating-label,
.input-group textarea.cyber-input:focus + .floating-label {
    color: var(--primary-cyan);
}

/* Modal background for labels */
.modal-content .input-group .floating-label,
.neon-box .input-group .floating-label {
    background: var(--bg-card);
}

/* Auth pages background for labels */
.auth-form .input-group .floating-label {
    background: var(--bg-card);
}

/* Filters bar background for labels */
.filters-bar .input-group .floating-label {
    background: var(--bg-dark);
}

/* Filter groups adjustments */
.filters-bar .input-group.filter-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 120px;
}

/* Standard inputs (backwards compatibility) */
.cyber-input,
.cyber-select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.cyber-input:focus,
.cyber-select:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.cyber-select option {
    background: var(--bg-dark);
}

.cyber-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
}

.cyber-checkbox input {
    display: none;
}

.cyber-checkbox .checkmark {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.cyber-checkbox input:checked + .checkmark {
    background: var(--primary-cyan);
    border-color: var(--primary-cyan);
}

.cyber-checkbox input:checked + .checkmark::after {
    content: '✓';
    color: var(--bg-dark);
    font-weight: 700;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.article-card {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-darker));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.article-card:hover {
    border-color: var(--primary-cyan);
    transform: translateY(-3px);
}

.article-card.low-stock {
    border-color: var(--primary-red);
}

.article-card.low-stock::before {
    content: '⚠ STOCK BAS';
    position: absolute;
    top: 10px;
    right: -30px;
    background: var(--primary-red);
    color: var(--bg-dark);
    padding: 5px 40px;
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.article-ref {
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.article-category {
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--bg-dark);
    font-weight: 600;
}

.article-name {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.article-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 40px;
}

.article-info {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
}

.info-item {
    flex: 1;
}

.info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.info-value.stock.ok { color: var(--primary-green); }
.info-value.stock.danger { color: var(--primary-red); }

.article-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.action-btn:hover {
    transform: translateY(-2px);
}

.action-btn.edit:hover {
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.action-btn.stock:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.action-btn.delete:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.category-card {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-darker));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.category-card:hover {
    border-color: var(--category-color);
    box-shadow: 0 0 30px rgba(var(--category-color), 0.2);
}

.category-color-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.category-name {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.category-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    min-height: 40px;
}

.category-stats {
    margin-bottom: 15px;
}

.category-stats .stat {
    font-size: 0.9rem;
    color: var(--primary-cyan);
}

.category-actions {
    display: flex;
    gap: 10px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-content.small {
    max-width: 400px;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    color: var(--primary-red);
}

.modal-content h2 {
    color: var(--primary-cyan);
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.modal-form .form-group {
    margin-bottom: 20px;
}

.modal-form label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.modal-form textarea.cyber-input {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.cyber-color {
    width: 100%;
    height: 50px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    background: transparent;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.modal-actions .cyber-btn {
    flex: 1;
}

.stock-article-name {
    color: var(--primary-cyan);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.stock-current {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

#stock-current-value {
    color: var(--primary-yellow);
    font-weight: 700;
}

/* Menu toggle et overlay - cachés par défaut sur desktop */
.menu-toggle {
    display: none;
}

.sidebar-overlay {
    display: none;
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-card.wide {
        grid-column: span 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 1024px) {
    .dashboard-card.wide {
        grid-column: span 1;
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Sidebar mobile */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    /* Overlay pour sidebar mobile */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 99;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    /* Bouton menu hamburger */
    .menu-toggle {
        display: flex;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 101;
        width: 45px;
        height: 45px;
        background: var(--bg-card);
        border: 1px solid var(--primary-cyan);
        border-radius: 8px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: var(--glow-cyan);
    }
    
    .menu-toggle:hover {
        background: rgba(0, 255, 255, 0.1);
    }
    
    .menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--primary-cyan);
        transition: all 0.3s ease;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
        padding-top: 80px;
    }
    
    .top-bar {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .page-title {
        font-size: 1.4rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .filter-form {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .stat-card {
        padding: 15px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Modal responsive */
    .modal-content {
        padding: 25px;
        margin: 10px;
        max-height: calc(100vh - 40px);
    }
    
    .modal-content.modal-large {
        max-width: 100%;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    /* Table responsive */
    .cyber-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .cyber-table th,
    .cyber-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    /* Articles grid */
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .article-actions {
        flex-wrap: wrap;
    }
    
    /* Categories grid */
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-actions {
        flex-wrap: wrap;
    }
    
    /* Auth page */
    .neon-box {
        padding: 25px;
    }
    
    .glitch-text {
        font-size: 2rem;
    }
    
    .tab-btn {
        padding: 10px;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 15px;
        padding-top: 70px;
    }
    
    .page-title {
        font-size: 1.2rem;
        letter-spacing: 2px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: row;
        text-align: left;
    }
    
    .cyber-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .cyber-btn.small {
        padding: 8px 15px;
        font-size: 0.75rem;
    }
    
    /* Filtres empilés */
    .filters-bar {
        padding: 15px;
    }
    
    .filter-form .cyber-btn {
        width: 100%;
    }
    
    /* Cards */
    .card-header {
        padding: 15px;
    }
    
    .card-header h3 {
        font-size: 0.9rem;
    }
    
    .card-content {
        padding: 15px;
    }
    
    /* Modal */
    .modal-content {
        padding: 20px;
    }
    
    .modal-content h2 {
        font-size: 1.2rem;
    }
    
    .modal-close {
        top: 10px;
        right: 15px;
        font-size: 1.5rem;
    }
    
    /* Auth */
    .neon-box {
        padding: 20px;
    }
    
    .glitch-text {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }
    
    .tagline {
        font-size: 0.7rem;
        letter-spacing: 2px;
    }
    
    /* Article card */
    .article-name {
        font-size: 1rem;
    }
    
    .article-desc {
        font-size: 0.85rem;
        min-height: auto;
    }
    
    /* Dashboard cards */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* Sidebar header */
    .sidebar-header {
        padding: 20px 15px;
    }
    
    .sidebar-header .glitch-text {
        font-size: 1.2rem;
    }
    
    .nav-item a {
        padding: 12px 15px;
        gap: 12px;
    }
    
    .nav-icon {
        font-size: 1rem;
    }
    
    /* Table en mode carte sur mobile */
    .cyber-table,
    .cyber-table thead,
    .cyber-table tbody,
    .cyber-table th,
    .cyber-table td,
    .cyber-table tr {
        display: block;
    }
    
    .cyber-table thead {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    .cyber-table tbody tr {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        margin-bottom: 15px;
        padding: 15px;
        position: relative;
    }
    
    .cyber-table tbody tr:hover {
        border-color: var(--primary-cyan);
    }
    
    .cyber-table td {
        border: none;
        padding: 8px 0;
        position: relative;
        padding-left: 45%;
        text-align: right;
        white-space: normal;
    }
    
    .cyber-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        width: 40%;
        padding-right: 10px;
        font-weight: 600;
        color: var(--primary-cyan);
        text-align: left;
        font-size: 0.8rem;
    }
    
    .cyber-table td.actions-cell {
        padding-left: 0;
        text-align: center;
        padding-top: 15px;
        margin-top: 10px;
        border-top: 1px solid var(--border-color);
    }
    
    .cyber-table td.actions-cell::before {
        display: none;
    }
    
    /* Prix et badge responsive */
    .article-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .info-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 8px;
    }
    
    .info-item:last-child {
        border-bottom: none;
    }
    
    .info-label {
        margin-bottom: 0;
    }
    
    /* Boutons pleine largeur sur mobile */
    .article-actions,
    .category-actions {
        flex-direction: column;
    }
    
    .article-actions .action-btn,
    .category-actions .action-btn {
        width: 100%;
    }
    
    /* Alert list responsive */
    .alert-item {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .alert-stock {
        align-self: flex-end;
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-cyan);
}

/* Multi-articles selection */
.modal-large {
    max-width: 700px;
}

.articles-selection {
    margin: 1.5rem 0;
}

.articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.articles-header .articles-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

#articles-list, #order-articles-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.article-row {
    display: grid;
    grid-template-columns: repeat(4, auto);
    grid-template-rows: repeat(3, auto);
    gap: 0rem 0.75rem;
    align-items: center;
    padding: 0.75rem;
    background: rgba(0, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.article-row:hover {
    border-color: var(--primary-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.article-select-group {
    grid-column: 1/5;
    grid-row: 1;
}

.quantity-group {
    grid-column: 1/3;
    grid-row: 2 / 2;
}

.price-group {
    grid-column: 3/5;
    grid-row: 2 / 2;
}

.row-total {
    grid-column: 1/3;
    grid-row: 3 / 3;
    min-width: 80px;
    text-align: right;
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.9rem;
}

.remove-row-btn {
    grid-column: 3/5;
    grid-row: 3 / 3;
    border: 1px solid var(--primary-red);
    background: rgba(255, 0, 64, 0.1);
    color: var(--primary-red);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.remove-row-btn:hover {
    background: var(--primary-red);
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 0, 64, 0.5);
}

.grand-total {
    margin-top: 1rem;
    text-align: right;
    color: var(--primary-green);
    font-size: 1.2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive pour multi-articles */
@media (max-width: 600px) {
    .article-row {
        flex-wrap: wrap;
    }
    
    .article-select-group {
        flex: 100%;
    }
    
    .quantity-group,
    .price-group {
        flex: 1;
    }
    
    .row-total {
        min-width: 60px;
    }
}

/* Actions dans les tableaux */
.actions-cell {
    white-space: nowrap;
}

.action-btn.small {
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
    min-width: auto;
}

.action-btn.edit.small {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.action-btn.edit.small:hover {
    background: var(--primary-cyan);
    color: #000;
}

.action-btn.delete.small {
    background: rgba(255, 0, 64, 0.1);
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.action-btn.delete.small:hover {
    background: var(--primary-red);
    color: #fff;
}

.action-btn.danger.small {
    background: rgba(255, 80, 0, 0.12);
    border-color: #ff5000;
    color: #ff5000;
}

.action-btn.danger.small:hover {
    background: #ff5000;
    color: #fff;
}

/* Bouton info pour voir la description */
.action-btn.info {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.action-btn.info:hover {
    background: var(--primary-cyan);
    color: #000;
}

.action-btn.info.small {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
    padding: 4px 8px;
    font-size: 0.85rem;
}

.action-btn.info.small:hover {
    background: var(--primary-cyan);
    color: #000;
}

/* Style pour quand pas de description */
.no-description {
    color: var(--text-secondary);
    font-style: italic;
}

/* Modal description */
.description-article {
    color: var(--primary-cyan);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.description-content {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 1.5rem;
    min-height: 80px;
    white-space: pre-wrap;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Info article dans modal édition */
.edit-article-info {
    color: var(--primary-cyan);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* Warning text */
.warning-text {
    color: var(--primary-yellow);
    font-size: 0.9rem;
    margin: 1rem 0;
}

/* Import additional styles */
@import url('additional.css');