/* =====================================================
   SISTEMA DE CADASTROS - CSS MODERNO
   ===================================================== */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary: #0ea5e9;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #1e293b;
    --bg-body: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-focus: #6366f1;
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 64px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.6);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-body);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary);
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    position: relative;
    overflow: hidden;
}

.login-body::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
    top: -150px;
    right: -150px;
    border-radius: 50%;
}

.login-body::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.login-card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.login-logo i {
    font-size: 32px;
    color: white;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form label i {
    margin-right: 6px;
    width: 16px;
    color: var(--primary-light);
}

.login-form input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.login-form input::placeholder {
    color: var(--text-muted);
}

.login-form input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.password-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--text-primary);
}

.login-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.login-footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.test-creds {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.test-creds small {
    color: var(--text-muted);
    font-size: 0.78rem;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn i {
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =====================================================
   SIDEBAR
   ===================================================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-logo i {
    color: white;
    font-size: 18px;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
}

.sidebar-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu li {
    margin-bottom: 4px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-menu li a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
}

.sidebar-menu li.active a {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.1));
    color: var(--primary-light);
    box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-menu li a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

/* =====================================================
   SIDEBAR SUBMENU
   ===================================================== */
.sidebar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    user-select: none;
}

.sidebar-dropdown-toggle:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
}

.sidebar-dropdown.open > .sidebar-dropdown-toggle {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.1));
    color: var(--primary-light);
}

.sidebar-dropdown-toggle i:first-child {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.sidebar-dropdown-toggle span {
    flex: 1;
}

.sidebar-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    width: auto !important;
    text-align: center !important;
}

.sidebar-dropdown.open > .sidebar-dropdown-toggle .sidebar-arrow {
    transform: rotate(90deg);
}

.sidebar-submenu {
    list-style: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sidebar-dropdown.open > .sidebar-submenu {
    max-height: 600px;
}

.sidebar-submenu li {
    margin-bottom: 0;
}

.sidebar-submenu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px 10px 48px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.88rem;
    transition: var(--transition);
}

.sidebar-submenu li a:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary-light);
}

.sidebar-submenu li.active a {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.08));
    color: var(--primary-light);
    font-weight: 500;
    box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.user-avatar {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar i {
    color: white;
    font-size: 16px;
}

.user-photo {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

/* Upload de foto */
.foto-upload-area {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.foto-preview {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 2px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    gap: 4px;
}

.foto-preview:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.foto-preview i {
    color: var(--text-muted);
    font-size: 20px;
}

.foto-preview span {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-align: center;
    padding: 0 4px;
}

.foto-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100px;
    opacity: 0;
    cursor: pointer;
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-level {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-logout {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

.topbar {
    height: var(--topbar-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-card);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.date-display {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.date-display i {
    margin-right: 6px;
    color: var(--primary-light);
}

.content-wrapper {
    padding: 32px;
}

/* =====================================================
   DASHBOARD
   ===================================================== */
.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-muted);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 24px;
    color: white;
}

.stat-icon.purple { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stat-icon.blue { background: linear-gradient(135deg, var(--secondary), #0284c7); }
.stat-icon.green { background: linear-gradient(135deg, var(--success), #059669); }
.stat-icon.orange { background: linear-gradient(135deg, var(--warning), #d97706); }

.stat-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =====================================================
   DATA TABLES
   ===================================================== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
}

.table-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.table-filters {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    position: relative;
}

.search-input input {
    padding: 10px 16px 10px 40px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 280px;
    transition: var(--transition);
    outline: none;
}

.search-input input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search-input input::placeholder {
    color: var(--text-muted);
}

.search-input i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

.data-table thead {
    background: rgba(99, 102, 241, 0.08);
}

.data-table th {
    padding: 14px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.form-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group label .required {
    color: var(--danger);
}

.form-control {
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
    width: 100%;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

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

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* =====================================================
   BADGES & STATUS
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-purple {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

/* =====================================================
   ACTION BUTTONS IN TABLE
   ===================================================== */
.action-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}

.action-btn.edit {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.action-btn.edit:hover {
    background: var(--info);
    color: white;
}

.action-btn.delete {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.action-btn.delete:hover {
    background: var(--danger);
    color: white;
}

.action-btn.view {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

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

/* =====================================================
   EMPTY STATE
   ===================================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* =====================================================
   TABLE RESPONSIVE
   ===================================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive::-webkit-scrollbar {
    height: 6px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--bg-card);
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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

.content-wrapper {
    animation: fadeIn 0.4s ease-out;
}

.stat-card {
    animation: fadeIn 0.5s ease-out;
}

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

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .sidebar-close {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .topbar {
        padding: 0 16px;
    }

    .content-wrapper {
        padding: 20px 16px;
    }

    .page-header h1 {
        font-size: 1.4rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .table-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-input input {
        width: 100%;
    }

    .table-filters {
        flex-direction: column;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .login-card {
        padding: 32px 24px;
    }

    .form-container {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        gap: 12px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-icon {
        width: 44px;
        height: 44px;
    }

    .stat-icon i {
        font-size: 18px;
    }

    .stat-info h3 {
        font-size: 1.4rem;
    }
}

/* =====================================================
   UTILITIES
   ===================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* =====================================================
   TEMAS - Arquivos separados: theme-blue.css, theme-dark.css, theme-light.css
   ===================================================== */