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

:root {
    --primary: #FF8C42;
    --primary-dark: #E67A2E;
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray: #4A4A4A;
    --gray-light: #F5F5F5;
    --gray-medium: #E0E0E0;
    --border-radius: 12px;
    --sidebar-width: 280px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--gray-light);
    color: var(--black);
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-medium);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.logo {
    padding: 30px 25px;
    border-bottom: 1px solid var(--gray-medium);
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.menu {
    flex: 1;
    padding: 20px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 25px;
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.menu-item:hover {
    background: var(--gray-light);
    color: var(--primary);
}

.menu-item.active {
    background: linear-gradient(90deg, rgba(255, 140, 66, 0.1) 0%, transparent 100%);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.menu-item svg {
    flex-shrink: 0;
}

/* User Info */
.user-info {
    padding: 20px 25px;
    border-top: 1px solid var(--gray-medium);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--black);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 12px;
    color: var(--gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: var(--transition);
    flex-shrink: 0;
    text-decoration: none;
}

.logout-btn:hover {
    background: var(--gray-light);
    color: var(--primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    max-width: 1400px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.page-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 140, 66, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray);
    border: 1px solid var(--gray-medium);
}

.btn-secondary:hover {
    background: var(--gray-light);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: var(--transition);
    text-decoration: none;
    background: transparent;
}

.btn-icon:hover {
    background: var(--gray-light);
    color: var(--primary);
}

.btn-icon.btn-danger:hover {
    background: #FFEBEE;
    color: #D32F2F;
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #A5D6A7;
}

.alert-error {
    background: #FFEBEE;
    color: #C62828;
    border: 1px solid #EF9A9A;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: var(--white);
    border-radius: var(--border-radius);
}

.empty-state svg {
    color: var(--gray-medium);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 24px;
    color: var(--black);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 16px;
}

/* Galerias Grid */
.galerias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.galeria-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-medium);
}

.galeria-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.galeria-thumb {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--gray-light);
}

.galeria-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.galeria-link:hover .galeria-thumb img {
    transform: scale(1.05);
}

.galeria-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-medium);
}

.galeria-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 20px;
    display: flex;
    justify-content: flex-end;
}

.foto-count {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--white);
    font-size: 13px;
    font-weight: 500;
}

.galeria-info {
    padding: 20px;
}

.galeria-info h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.galeria-info h3 a {
    color: var(--black);
    text-decoration: none;
    transition: var(--transition);
}

.galeria-info h3 a:hover {
    color: var(--primary);
}

.galeria-periodo {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
}

.galeria-descricao {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.galeria-actions {
    padding: 0 20px 20px;
    display: flex;
    gap: 8px;
}

.galeria-link {
    text-decoration: none;
    display: block;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-box {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray);
    font-size: 14px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
    background: var(--gray-light);
    padding: 4px;
    border-radius: var(--border-radius);
}

.tab-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--gray);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Forms */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--black);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-medium);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background: var(--white);
    color: var(--black);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray);
}

.form-group label svg {
    vertical-align: middle;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--gray);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.form-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.login-benefits {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.login-benefits h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--black);
}

.login-benefits ul {
    list-style: none;
}

.login-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--gray);
    border-bottom: 1px solid var(--gray-light);
}

.login-benefits li:last-child {
    border-bottom: none;
}

.login-benefits li svg {
    color: var(--primary);
    flex-shrink: 0;
}

.alert svg {
    vertical-align: middle;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 70px;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .logo h1,
    .menu-item span,
    .user-details,
    .logout-btn {
        display: none;
    }
    
    .logo {
        text-align: center;
        padding: 20px 10px;
    }
    
    .menu-item {
        justify-content: center;
        padding: 14px 10px;
    }
    
    .menu-item.active {
        border-left: none;
        border-right: 3px solid var(--primary);
    }
    
    .user-info {
        justify-content: center;
        padding: 20px 10px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--gray-medium);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .logo h1,
    .menu-item span,
    .user-details,
    .logout-btn {
        display: block;
    }
    
    .menu {
        padding: 0;
        display: flex;
        overflow-x: auto;
    }
    
    .menu-item {
        flex-direction: column;
        padding: 15px;
        white-space: nowrap;
        gap: 6px;
    }
    
    .menu-item span {
        font-size: 12px;
    }
    
    .user-info {
        justify-content: flex-start;
    }
    
    .galerias-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}