/* Reset e variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Info Box */
.info-box {
    background: var(--card);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.info-box h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.info-box li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Categoria Card */
.categoria-card {
    background: var(--card);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.categoria-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.categoria-header h3 {
    color: var(--text);
    font-size: 1.3rem;
}

.categoria-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.categoria-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Foto Exemplo */
.foto-exemplo {
    background: var(--bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.foto-exemplo img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Upload Area */
.upload-area {
    text-align: center;
    padding: 30px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--bg);
}

.upload-area input[type="file"] {
    display: none;
}

/* Camera modal */
.camera-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}
.camera-content {
    width: min(92vw, 520px);
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.camera-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}
.camera-close {
    border: none;
    background: transparent;
    font-size: 18px;
    cursor: pointer;
}
.camera-content video {
    width: 100%;
    height: auto;
    display: block;
    background: #000;
}
.camera-actions {
    padding: 12px 16px;
    display: flex;
    justify-content: center;
}

.upload-label {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.upload-label:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.preview {
    margin-top: 20px;
}

.preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Foto Preview */
.foto-preview {
    padding: 20px;
}

.analise-ia {
    background: var(--bg);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    text-align: left;
}

.analise-ia strong {
    color: var(--primary);
    display: block;
    margin-bottom: 10px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 10px;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.actions {
    text-align: center;
    margin-top: 30px;
    padding: 30px;
}

/* Error Box */
.error-box {
    background: #fef2f2;
    border-left: 4px solid var(--danger);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.error-box h3 {
    color: var(--danger);
    margin-bottom: 10px;
}

/* Admin Styles */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.sidebar {
    background: var(--card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.sidebar nav a {
    display: block;
    padding: 12px 15px;
    color: var(--text);
    text-decoration: none;
    border-radius: 6px;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background: var(--primary);
    color: white;
}

.card {
    background: var(--card);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
}

table tr:hover {
    background: var(--bg);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Alerts */
.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

/* Auth */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.auth-card {
    background: var(--card);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
}

.auth-card h2 {
    margin-bottom: 20px;
    color: var(--text);
}

.auth-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .categoria-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .categoria-status {
        margin-top: 10px;
    }
}

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

.stat-card {
    background: var(--card);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-card .label {
    color: var(--text-light);
    font-size: 0.95rem;
}