/* ============================================================================
   Contrata VIP - Custom CSS
   Sistema de Entrevistas com Inteligência Artificial
   ============================================================================ */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

/* ============================================================================
   GLOBAL
   ============================================================================ */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ============================================================================
   NAVBAR
   ============================================================================ */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-brand i {
    color: #ffc107;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    border: none;
}

/* ============================================================================
   CARDS
   ============================================================================ */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 1rem 1rem 0 0 !important;
    font-weight: 600;
}

/* ============================================================================
   FORMS
   ============================================================================ */
.form-control,
.form-select {
    border-radius: 0.5rem;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

/* Placeholder - Deixar bem mais claro para diferenciar do texto preenchido */
.form-control::placeholder,
.form-select::placeholder,
input::placeholder,
textarea::placeholder {
    color: #adb5bd !important;
    opacity: 0.5 !important;
}

/* Placeholder para navegadores WebKit (Chrome, Safari) */
.form-control::-webkit-input-placeholder,
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #adb5bd !important;
    opacity: 0.5 !important;
}

/* Placeholder para Firefox */
.form-control::-moz-placeholder,
input::-moz-placeholder,
textarea::-moz-placeholder {
    color: #adb5bd !important;
    opacity: 0.5 !important;
}

/* Placeholder para Edge */
.form-control::-ms-input-placeholder,
input::-ms-input-placeholder,
textarea::-ms-input-placeholder {
    color: #adb5bd !important;
    opacity: 0.5 !important;
}

/* ============================================================================
   ALERTS
   ============================================================================ */
.alert {
    border-radius: 0.75rem;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.alert-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

/* ============================================================================
   TABLES
   ============================================================================ */
.table {
    border-radius: 0.75rem;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
    transform: scale(1.01);
}

/* ============================================================================
   FOOTER
   ============================================================================ */
footer {
    border-top: 3px solid #667eea;
    margin-top: auto;
}

/* ============================================================================
   LOADING SPINNER
   ============================================================================ */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner-border-xl {
    width: 5rem;
    height: 5rem;
    border-width: 0.5rem;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* ============================================================================
   ADMIN PANEL SPECIFIC
   ============================================================================ */
.admin-panel .sidebar {
    min-height: calc(100vh - 56px);
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    padding: 2rem 0;
}

.admin-panel .sidebar .nav-link {
    color: #ecf0f1;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin: 0.25rem 0.5rem;
    transition: all 0.3s ease;
}

.admin-panel .sidebar .nav-link:hover,
.admin-panel .sidebar .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.admin-panel .sidebar .nav-link i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

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

.bg-gradient-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.bg-gradient-danger {
    background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
}

.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-lg-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Hero Section Styles */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    height: 100%;
}

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    border-radius: 30px;
    margin: 50px 0;
}