/**
 * MySiteSolutions Support - Material Design avec animations
 */

:root {
    /* Material Colors */
    --md-primary: #6200ee;
    --md-primary-dark: #3700b3;
    --md-primary-light: #bb86fc;
    --md-secondary: #03dac6;
    --md-secondary-dark: #018786;
    --md-background: #f5f5f5;
    --md-surface: #ffffff;
    --md-error: #b00020;
    --md-success: #4caf50;
    --md-warning: #ff9800;
    --md-on-primary: #ffffff;
    --md-on-secondary: #000000;
    --md-on-background: #212121;
    --md-on-surface: #212121;
    --md-on-error: #ffffff;
    
    /* Elevation shadows */
    --shadow-1: 0 2px 1px -1px rgba(0,0,0,0.2), 0 1px 1px 0 rgba(0,0,0,0.14), 0 1px 3px 0 rgba(0,0,0,0.12);
    --shadow-2: 0 3px 1px -2px rgba(0,0,0,0.2), 0 2px 2px 0 rgba(0,0,0,0.14), 0 1px 5px 0 rgba(0,0,0,0.12);
    --shadow-3: 0 3px 3px -2px rgba(0,0,0,0.2), 0 3px 4px 0 rgba(0,0,0,0.14), 0 1px 8px 0 rgba(0,0,0,0.12);
    --shadow-4: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12);
    --shadow-6: 0 3px 5px -1px rgba(0,0,0,0.2), 0 6px 10px 0 rgba(0,0,0,0.14), 0 1px 18px 0 rgba(0,0,0,0.12);
    --shadow-8: 0 5px 5px -3px rgba(0,0,0,0.2), 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12);
    --shadow-12: 0 7px 8px -4px rgba(0,0,0,0.2), 0 12px 17px 2px rgba(0,0,0,0.14), 0 5px 22px 4px rgba(0,0,0,0.12);
    --shadow-16: 0 8px 10px -5px rgba(0,0,0,0.2), 0 16px 24px 2px rgba(0,0,0,0.14), 0 6px 30px 5px rgba(0,0,0,0.12);
    
    /* Animation timing */
    --ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
    --ease-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1);
    --ease-accelerate: cubic-bezier(0.4, 0.0, 1, 1);
    --duration-short: 150ms;
    --duration-medium: 300ms;
    --duration-long: 500ms;
}

* {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
}

body {
    background-color: var(--md-background);
    color: var(--md-on-background);
    line-height: 1.5;
    overflow-x: hidden;
}

/* ========== ANIMATIONS KEYFRAMES ========== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

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

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

@keyframes wave {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ========== RIPPLE EFFECT ========== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.6s, opacity 0.6s;
}

.ripple:active::after {
    transform: translate(-50%, -50%) scale(2);
    opacity: 1;
    transition: 0s;
}

/* ========== NAVBAR MATERIAL ========== */
.navbar {
    background-color: var(--md-primary) !important;
    box-shadow: var(--shadow-4);
    padding: 0.75rem 0;
    animation: slideDown var(--duration-medium) var(--ease-decelerate);
}

.navbar-brand {
    color: var(--md-on-primary) !important;
    font-weight: 500;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.nav-link {
    color: rgba(255,255,255,0.87) !important;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    padding: 0.75rem 1rem !important;
    border-radius: 4px;
    transition: background-color var(--duration-short) var(--ease-standard);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-short) var(--ease-standard);
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: scaleX(1);
}

.nav-link.active {
    background: rgba(255,255,255,0.15);
}

/* ========== CARDS MATERIAL ========== */
.card {
    background-color: var(--md-surface);
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-2);
    transition: box-shadow var(--duration-short) var(--ease-standard),
                transform var(--duration-short) var(--ease-standard);
    animation: slideUp var(--duration-medium) var(--ease-decelerate);
    animation-fill-mode: both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.card:hover {
    box-shadow: var(--shadow-8);
    transform: translateY(-4px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.12);
    padding: 1.25rem 1.5rem;
    font-weight: 500;
}

/* ========== BUTTONS MATERIAL ========== */
.btn {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.25px;
    border-radius: 4px;
    padding: 0.625rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: box-shadow var(--duration-short) var(--ease-standard),
                background-color var(--duration-short) var(--ease-standard);
    border: none;
}

.btn-primary {
    background-color: var(--md-primary);
    color: var(--md-on-primary);
    box-shadow: var(--shadow-2);
}

.btn-primary:hover {
    background-color: var(--md-primary-dark);
    box-shadow: var(--shadow-4);
    transform: translateY(-1px);
}

.btn-primary:active {
    box-shadow: var(--shadow-8);
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--md-secondary);
    color: var(--md-on-secondary);
}

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

.btn-outline-primary:hover {
    background: rgba(98, 0, 238, 0.04);
}

/* FAB - Floating Action Button */
.fab {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--md-secondary);
    color: var(--md-on-secondary);
    box-shadow: var(--shadow-6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: box-shadow var(--duration-short) var(--ease-standard),
                transform var(--duration-short) var(--ease-standard);
    animation: scaleIn var(--duration-medium) var(--ease-decelerate);
}

.fab:hover {
    box-shadow: var(--shadow-12);
    transform: scale(1.1);
}

.fab:active {
    box-shadow: var(--shadow-8);
    transform: scale(1);
}

/* ========== FORM FIELDS MATERIAL ========== */
.form-control,
.form-select {
    border: none;
    border-bottom: 2px solid rgba(0,0,0,0.42);
    border-radius: 4px 4px 0 0;
    background: rgba(0,0,0,0.04);
    padding: 1rem 1rem 0.75rem;
    font-size: 1rem;
    transition: background-color var(--duration-short) var(--ease-standard),
                border-color var(--duration-short) var(--ease-standard);
}

.form-control:focus,
.form-select:focus {
    background: rgba(0,0,0,0.08);
    border-bottom-color: var(--md-primary);
    box-shadow: none;
    outline: none;
}

.form-label {
    color: rgba(0,0,0,0.6);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    transition: color var(--duration-short) var(--ease-standard),
                transform var(--duration-short) var(--ease-standard);
}

.form-control:focus + .form-label,
.form-control:not(:placeholder-shown) + .form-label {
    color: var(--md-primary);
    transform: translateY(-24px) scale(0.75);
}

/* ========== TABLE MATERIAL ========== */
.table {
    background: var(--md-surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-2);
}

.table th {
    background: var(--md-surface);
    color: rgba(0,0,0,0.6);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.12);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.12);
    transition: background-color var(--duration-short) var(--ease-standard);
}

.table tbody tr {
    transition: background-color var(--duration-short) var(--ease-standard);
}

.table tbody tr:hover {
    background-color: rgba(98, 0, 238, 0.04);
}

/* ========== BADGES & CHIPS ========== */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    padding: 0.5rem 1rem;
    border-radius: 16px;
    text-transform: uppercase;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: transform var(--duration-short) var(--ease-standard),
                box-shadow var(--duration-short) var(--ease-standard);
    cursor: default;
}

.category-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2);
}

/* ========== ALERTS MATERIAL ========== */
.alert {
    border: none;
    border-radius: 4px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-2);
    animation: slideDown var(--duration-medium) var(--ease-decelerate);
}

.alert-success {
    background-color: #e8f5e9;
    color: #1b5e20;
    border-left: 4px solid var(--md-success);
}

.alert-danger {
    background-color: #ffebee;
    color: #b71c1c;
    border-left: 4px solid var(--md-error);
}

.alert-warning {
    background-color: #fff3e0;
    color: #e65100;
    border-left: 4px solid var(--md-warning);
}

/* ========== AUTHENTICATION MATERIAL ========== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.03) 10px,
        rgba(255,255,255,0.03) 20px
    );
    animation: slideUp 20s linear infinite;
}

.auth-card {
    background: var(--md-surface);
    border-radius: 16px;
    box-shadow: var(--shadow-16);
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    animation: scaleIn var(--duration-medium) var(--ease-decelerate);
}

.auth-logo {
    width: 80px;
    height: 80px;
    background: var(--md-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-6);
    animation: float 3s ease-in-out infinite;
}

/* ========== STAT CARDS ========== */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    transform: rotate(45deg);
    transition: transform var(--duration-long) var(--ease-standard);
}

.stat-card:hover::after {
    transform: rotate(45deg) translate(20%, 20%);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: var(--shadow-4);
    animation: scaleIn var(--duration-medium) var(--ease-decelerate);
}

.stat-icon.bg-primary { background: var(--md-primary); }
.stat-icon.bg-danger { background: var(--md-error); }
.stat-icon.bg-success { background: var(--md-success); }
.stat-icon.bg-warning { background: var(--md-warning); }

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--md-on-surface);
    animation: slideUp var(--duration-medium) var(--ease-decelerate);
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

/* ========== AVATARS ========== */
.avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.875rem;
    color: white;
    background: var(--md-primary);
    box-shadow: var(--shadow-2);
    transition: transform var(--duration-short) var(--ease-standard),
                box-shadow var(--duration-short) var(--ease-standard);
}

.avatar-sm:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-4);
}

.avatar-lg {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 1.25rem;
    color: white;
    background: var(--md-primary);
    box-shadow: var(--shadow-4);
}

/* ========== COMMENTS ========== */
.comment {
    padding: 1.25rem;
    background: var(--md-surface);
    border-radius: 8px;
    box-shadow: var(--shadow-1);
    margin-bottom: 1rem;
    transition: box-shadow var(--duration-short) var(--ease-standard),
                transform var(--duration-short) var(--ease-standard);
    animation: slideInLeft var(--duration-medium) var(--ease-decelerate);
}

.comment:hover {
    box-shadow: var(--shadow-4);
    transform: translateX(8px);
}

.comment-internal {
    background: #fff8e1;
    border-left: 4px solid var(--md-warning);
}

/* ========== PROGRESS BAR ========== */
.progress {
    height: 8px;
    background: rgba(0,0,0,0.12);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: var(--md-primary);
    border-radius: 4px;
    transition: width var(--duration-medium) var(--ease-standard);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ========== PAGINATION ========== */
.pagination .page-link {
    border: none;
    color: var(--md-on-surface);
    font-weight: 500;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    border-radius: 50%;
    transition: background-color var(--duration-short) var(--ease-standard);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination .page-item.active .page-link {
    background-color: var(--md-primary);
    color: var(--md-on-primary);
    box-shadow: var(--shadow-2);
}

.pagination .page-link:hover {
    background-color: rgba(0,0,0,0.04);
}

/* ========== DROPDOWN ========== */
.dropdown-menu {
    background: var(--md-surface);
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow-8);
    animation: scaleIn var(--duration-short) var(--ease-decelerate);
    transform-origin: top right;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: background-color var(--duration-short) var(--ease-standard);
}

.dropdown-item:hover {
    background-color: rgba(98, 0, 238, 0.04);
}

.dropdown-divider {
    border-color: rgba(0,0,0,0.12);
}

/* ========== TOAST NOTIFICATIONS ========== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1050;
}

.toast {
    background: var(--md-surface);
    border-radius: 8px;
    box-shadow: var(--shadow-6);
    padding: 1rem 1.5rem;
    min-width: 300px;
    animation: slideInRight var(--duration-medium) var(--ease-decelerate);
}

/* ========== SKELETON LOADING ========== */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

/* ========== HOVER EFFECTS ========== */
.hover-elevate {
    transition: box-shadow var(--duration-short) var(--ease-standard),
                transform var(--duration-short) var(--ease-standard);
}

.hover-elevate:hover {
    box-shadow: var(--shadow-8);
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform var(--duration-short) var(--ease-standard);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .auth-card {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .card {
        animation: slideUp var(--duration-medium) var(--ease-decelerate);
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    .fab {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.26);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.4);
}

/* ========== SELECTION ========== */
::selection {
    background: var(--md-primary-light);
    color: var(--md-on-primary);
}

/* ========== FOCUS VISIBLE ========== */
:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
}

/* ========== PRINT STYLES ========== */
@media print {
    .navbar,
    .fab,
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}