/* ClipFlowX v2.0 - Design Moderno IMPACTANTE */

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

:root {
    /* Cores Base */
    --color-primary: #000000;
    --color-secondary: #1f2937;
    --color-accent: #3b82f6;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #374151 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f9fafb 100%);
    
    /* Sombras FORTES */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.2);
    
    /* Cores de fundo */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-dark: #111827;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: var(--bg-primary);
    color: var(--color-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* HEADER MODERNO COM GRADIENTE FORTE */
.header {
    background: var(--gradient-primary);
    color: #ffffff;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--color-accent);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    text-decoration: none;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    letter-spacing: -0.5px;
}

.logo:hover {
    transform: scale(1.05);
    color: var(--color-accent);
}

.nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav a:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.user-info {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

/* CONTAINER */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2.5rem;
}

/* CARDS COM SOMBRA FORTE */
.card {
    background: var(--gradient-card);
    border: none;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px) scale(1.02);
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* STATS CARDS IMPACTANTES */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(145deg, #ffffff 0%, #f0f9ff 100%);
    border: none;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover::before {
    opacity: 0.05;
}

.stat-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-12px) scale(1.05);
    border: 2px solid var(--color-accent);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.95rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

/* FORMS MODERNOS */
.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    box-shadow: var(--shadow-sm);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1), var(--shadow-md);
    transform: translateY(-2px);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* BOTÕES IMPACTANTES */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-small {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
}

/* TABELAS MODERNAS */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table th,
.table td {
    padding: 1.25rem;
    text-align: left;
}

.table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.table tbody tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid #f1f5f9;
}

.table tbody tr:hover {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0.02) 100%);
    transform: scale(1.01);
}

/* BADGES COLORIDOS */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

.badge-aberto {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.badge-em_progresso {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.badge-concluido {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.badge-pendente {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
}

.badge-aceito {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.badge-recusado {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

/* ALERTAS IMPACTANTES */
.alert {
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border-left: 5px solid;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.4s ease;
}

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

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-color: var(--color-success);
    color: #065f46;
}

.alert-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-color: var(--color-danger);
    color: #991b1b;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: var(--color-accent);
    color: #1e40af;
}

/* CHAT MODERNO */
.chat-container {
    height: 500px;
    overflow-y: auto;
    border: none;
    border-radius: 16px;
    padding: 2rem;
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.5rem;
}

.message {
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}

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

.message-sent {
    text-align: right;
}

.message-bubble {
    display: inline-block;
    padding: 1.25rem 1.75rem;
    border-radius: 20px;
    max-width: 70%;
    box-shadow: var(--shadow-md);
    background: white;
}

.message-sent .message-bubble {
    background: var(--gradient-accent);
    color: white;
}

/* AUTH PAGES */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.auth-card {
    background: white;
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.5s ease;
}

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

.auth-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 2.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: #64748b;
}

.auth-link a {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* PROGRESS BAR */
.progress {
    height: 12px;
    background: #e2e8f0;
    border-radius: 20px;
    overflow: hidden;
    margin: 1.5rem 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* VIDEO GRID */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    background: white;
}

.video-item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.video-item video {
    width: 100%;
    height: auto;
    display: block;
}

.video-info {
    padding: 1.25rem;
    background: white;
}

/* UTILITY CLASSES */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* RESPONSIVO */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 1rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .nav a {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}