/**
 * Modern Theme - Criar Engenharia
 * Design Mobile-First com Cores Vibrantes
 */

/* ============================================
   VARIÁVEIS DE CORES E TEMA
   ============================================ */
:root {
    /* Cores Principais - Vibrantes */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --secondary-light: #f472b6;
    --secondary-gradient: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    
    /* Cores de Status */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;
    --info: #06b6d4;
    --info-light: #22d3ee;
    
    /* Neutros */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Background */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-dark: #0f172a;
    
    /* Sidebar */
    --sidebar-width: 280px;
    --sidebar-width-collapsed: 80px;
    --sidebar-bg: var(--gray-900);
    --sidebar-text: var(--gray-300);
    --sidebar-active: var(--primary);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET E BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR NAVIGATION
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-700);
    border-radius: 3px;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-800);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.sidebar-brand-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.sidebar-user {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

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

.sidebar-user-name {
    font-weight: 600;
    color: white;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: capitalize;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav-section {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu-item {
    margin: 0.25rem 0.5rem;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9375rem;
}

.sidebar-menu-link:hover {
    background: var(--gray-800);
    color: white;
}

.sidebar-menu-link.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.sidebar-menu-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.sidebar-menu-badge {
    margin-left: auto;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: var(--danger);
    color: white;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-800);
    background: var(--gray-900);
}

.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--danger-light);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: 500;
}

.sidebar-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

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

.main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.main-body {
    padding: 1.5rem;
}

/* ============================================
   CARDS MODERNOS
   ============================================ */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* KPI Cards */
.kpi-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.kpi-card.success::before {
    background: var(--secondary-gradient);
}

.kpi-card.warning::before {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.kpi-card.danger::before {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

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

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.kpi-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   BOTÕES MODERNOS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    color: white;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* ============================================
   FORMULÁRIOS MODERNOS
   ============================================ */
.form-control,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    border: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* ============================================
   TABELAS MODERNAS
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    color: var(--gray-600);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
}

.table tbody td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* ============================================
   RESPONSIVIDADE (MOBILE)
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-body {
        padding: 1rem;
    }
    
    /* Mobile App-like Improvements */
    .kpi-card {
        padding: 1rem;
    }
    
    .kpi-value {
        font-size: 1.5rem !important;
    }
    
    .card-header {
        font-size: 0.9375rem;
        padding: 0.875rem 1rem;
    }
    
    .list-group-item {
        padding: 0.875rem 1rem;
    }
}

@media (max-width: 768px) {
    .header-title {
        font-size: 1.125rem;
    }
    
    .kpi-value {
        font-size: 1.25rem !important;
    }
    
    .kpi-label {
        font-size: 0.75rem;
    }
    
    .table {
        font-size: 0.8125rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.625rem 0.5rem;
    }
    
    .btn {
        padding: 0.5rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    .btn-lg {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    /* Mobile-first cards */
    .card {
        border-radius: var(--radius);
        margin-bottom: 1rem;
    }
    
    /* Touch-friendly lists */
    .list-group-item {
        padding: 1rem;
    }
    
    /* Larger touch targets */
    .btn-sm {
        padding: 0.375rem 0.625rem;
        min-height: 44px;
    }
    
    /* Bottom navigation for mobile (optional) */
    .mobile-bottom-nav {
        display: flex;
    }
}

/* Mobile Bottom Navigation (opcional) */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--gray-200);
    padding: 0.5rem;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
    }
    
    .main-body {
        padding-bottom: 4rem;
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.5rem 1rem;
        color: var(--gray-600);
        text-decoration: none;
        font-size: 0.75rem;
    }
    
    .mobile-nav-item.active {
        color: var(--primary);
    }
    
    .mobile-nav-icon {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }
}

/* ============================================
   OVERLAY PARA MOBILE
   ============================================ */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
    display: block;
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* ============================================
   NOVO DESIGN DE LOGIN
   ============================================ */
.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.min-vh-100 {
    min-height: 100vh;
}

.glassmorphism-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-container {
    position: relative;
    display: inline-block;
}

.logo-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.3);
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.form-floating > label {
    padding: 1rem 0.75rem;
}

.form-floating > .form-control {
    padding: 1rem 0.75rem;
}

.password-toggle {
    border-left: none;
}

.login-btn {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border: none;
    padding: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.demo-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    display: inline-block;
}

.security-notice {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ============================================
   SIDEBAR - BOTÃO SAIR
   ============================================ */
.sidebar-logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    margin-top: 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.sidebar-logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

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

/* ============================================

/* Modal - Apenas ajustes específicos */
.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 2rem);
    margin: 1rem auto;
}

/* Previne scroll duplo no iOS */
@supports (-webkit-touch-callout: none) {
    body.modal-open {
        position: fixed;
        overflow-y: scroll;
    }
}