/* ========================================
   RESET E CONFIGURAÇÕES GLOBAIS
   ======================================== */

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

/* ========================================
   VARIÁVEIS CSS - TEMA LIGHT/DARK
   ======================================== */

:root {
    /* Cores Base - Light Mode */
    --color-bg-primary: #f4f7f9;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f7f9fc;
    
    --color-text-primary: #34495e;
    --color-text-secondary: #7f8c8d;
    --color-text-tertiary: #95a5a6;
    
    --color-border: #dcdfe6;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Cores de Destaque */
    --color-primary: #3498db;
    --color-primary-hover: #2980b9;
    
    --color-success: #2ecc71;
    --color-success-hover: #27ae60;
    
    --color-warning: #f39c12;
    --color-warning-hover: #e67e22;
    
    --color-danger: #e74c3c;
    --color-danger-hover: #c0392b;
    
    --color-info: #9b59b6;
    
    /* Componentes Específicos */
    --color-header-bg: #3498db;
    --color-header-text: #ffffff;
    
    --color-table-header-bg: #34495e;
    --color-table-header-text: #ffffff;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.2);
}

body.dark-mode {
    --color-bg-primary: #2c3e50;
    --color-bg-secondary: #34495e;
    --color-bg-tertiary: #405467;
    
    --color-text-primary: #ecf0f1;
    --color-text-secondary: #bdc3c7;
    --color-text-tertiary: #95a5a6;
    
    --color-border: #5d6d7e;
    --color-shadow: rgba(0, 0, 0, 0.3);
    
    --color-header-bg: #293441;
    --color-table-header-bg: #22303c;
}

/* ========================================
   TIPOGRAFIA E BODY
   ======================================== */

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-primary);
    font-weight: 600;
    line-height: 1.3;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

.hidden {
    display: none !important;
}

.container {
    width: 95%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ========================================
   HEADER
   ======================================== */

.main-header {
    background-color: var(--color-header-bg);
    color: var(--color-header-text);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

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

/* ========================================
   THEME TOGGLE
   ======================================== */

.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch {
    position: relative;
    width: 60px;
    height: 30px;
}

.theme-switch input {
    display: none;
}

.slider {
    position: absolute;
    inset: 0;
    background-color: #ccc;
    border-radius: 34px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0.5rem;
    transition: background-color var(--transition-normal);
}

.slider::before {
    content: '';
    position: absolute;
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-normal);
    z-index: 2;
}

.slider .icon-light,
.slider .icon-dark {
    font-size: 0.875rem;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.slider .icon-light {
    color: #f39c12;
    opacity: 1;
}

.slider .icon-dark {
    color: var(--color-text-primary);
    opacity: 0;
}

input:checked + .slider {
    background-color: var(--color-bg-secondary);
}

input:checked + .slider::before {
    transform: translateX(26px);
}

input:checked + .slider .icon-light {
    opacity: 0;
}

input:checked + .slider .icon-dark {
    opacity: 1;
}

/* ========================================
   BOTÕES
   ======================================== */

.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-success-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-hover);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: var(--color-warning-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-text-secondary);
    color: white;
}

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

/* ========================================
   VIEW CONTAINERS E AUTH BOXES
   ======================================== */

.view-container {
    min-height: calc(100vh - 70px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.auth-box {
    background-color: var(--color-bg-secondary);
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    transition: background-color var(--transition-normal);
}

.auth-box h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.info-text {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* ========================================
   FORMULÁRIOS
   ======================================== */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    position: relative;
}

.form-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: 1rem;
    z-index: 1;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
}

.message.error {
    color: var(--color-danger);
    background-color: rgba(231, 76, 60, 0.1);
}

.message.success {
    color: var(--color-success);
    background-color: rgba(46, 204, 113, 0.1);
}

.link-secondary {
    display: block;
    text-align: center;
    margin-top: 1rem;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.link-secondary:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ========================================
   DASHBOARD - STATS CARDS
   ======================================== */

.stats-section {
    padding: 2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-bg-secondary);
    padding: 1.75rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition-normal);
    border-left: 4px solid transparent;
}

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

.stat-card:nth-child(1) {
    border-left-color: var(--color-primary);
}

.stat-card:nth-child(2) {
    border-left-color: var(--color-warning);
}

.stat-card:nth-child(3) {
    border-left-color: var(--color-info);
}

.stat-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.stat-icon.blue { color: var(--color-primary); }
.stat-icon.orange { color: var(--color-warning); }
.stat-icon.purple { color: var(--color-info); }

.stat-content {
    flex: 1;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* ========================================
   FORM SECTION - MODE TOGGLE
   ======================================== */

.form-section {
    padding: 2rem 0;
}

.mode-toggle-card {
    background-color: var(--color-bg-secondary);
    padding: 1.25rem 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal);
}

.toggle-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.toggle-input {
    display: none;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
    background-color: var(--color-border);
    border-radius: 12px;
    transition: background-color var(--transition-fast);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle-input:checked + .toggle-label .toggle-switch {
    background-color: var(--color-primary);
}

.toggle-input:checked + .toggle-label .toggle-switch::after {
    transform: translateX(24px);
}

.toggle-text {
    font-weight: 600;
    color: var(--color-text-primary);
}

.toggle-description {
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    margin: 0;
}

/* ========================================
   ROUTE FORM
   ======================================== */

.route-form {
    background-color: var(--color-bg-secondary);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    transition: background-color var(--transition-normal);
}

.route-form input[type="text"],
.route-form input[type="url"],
.route-form input[type="number"] {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.route-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.route-form .form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* ========================================
   CUSTOM DROPDOWN
   ======================================== */

.custom-select-wrapper {
    position: relative;
    grid-column: 1 / -1;
}

.custom-select-trigger {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.custom-select-trigger:hover {
    border-color: var(--color-primary);
}

.custom-select-trigger.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.custom-options {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    box-shadow: var(--shadow-lg);
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.custom-option {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--color-border);
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover {
    background-color: var(--color-primary);
    color: white;
}

.custom-option.selected {
    background-color: var(--color-primary-hover);
    color: white;
}

.port-label {
    font-weight: 600;
}

.port-info {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.custom-option:hover .port-info,
.custom-option.selected .port-info {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   TABLE SECTION
   ======================================== */

.table-section {
    padding: 2rem 0 4rem;
}

.search-box {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

/* ========================================
   ROUTES TABLE
   ======================================== */

.table-wrapper {
    background-color: var(--color-bg-secondary);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

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

.routes-table thead {
    background-color: var(--color-table-header-bg);
    color: var(--color-table-header-text);
}

.routes-table th {
    padding: 1rem;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.routes-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

.routes-table tbody tr {
    transition: background-color var(--transition-fast);
}

.routes-table tbody tr:hover {
    background-color: var(--color-bg-tertiary);
}

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

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-online {
    background-color: rgba(46, 204, 113, 0.15);
    color: var(--color-success);
}

.status-online .status-dot {
    background-color: var(--color-success);
}

.status-offline {
    background-color: rgba(231, 76, 60, 0.15);
    color: var(--color-danger);
}

.status-offline .status-dot {
    background-color: var(--color-danger);
}

.status-inactive {
    background-color: rgba(149, 165, 166, 0.15);
    color: var(--color-text-tertiary);
}

.status-inactive .status-dot {
    background-color: var(--color-text-tertiary);
}

/* Route Link */
.route-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.route-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Action Buttons in Table */
.routes-table .btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
}

.routes-table td:last-child {
    display: flex;
    gap: 0.5rem;
}

/* ========================================
   MODAL
   ======================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transform: translateY(-50px);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.modal-overlay.visible .modal-content {
    transform: translateY(0);
    opacity: 1;
}

.modal-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.modal-icon.success {
    color: var(--color-success);
}

.modal-icon.error {
    color: var(--color-danger);
}

#modal-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

#modal-message {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .route-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-box {
        padding: 2rem 1.5rem;
    }
    
    .routes-table {
        font-size: 0.8125rem;
    }
    
    .routes-table th,
    .routes-table td {
        padding: 0.75rem;
    }
    
    .routes-table td:last-child {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    h2 {
        font-size: 1.5rem;
    }
    
    .stat-card {
        padding: 1.25rem;
    }
    
    .stat-icon {
        font-size: 2rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

/* ========================================
   SCROLLBAR CUSTOMIZATION
   ======================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

.stat-card,
.auth-box,
.mode-toggle-card,
.route-form,
.table-wrapper {
    animation: fadeIn 0.5s ease-out;
}