/* ISSA Forms - Maritime Theme Styles */

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #dbeafe;
    --navy: #1e40af;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #6b7280;
    --dark-gray: #374151;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--light-gray);
    margin: 0;
    padding: 0;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    box-shadow: var(--shadow);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--white) !important;
}

.navbar-brand::before {
    content: "⚓ ";
    margin-right: 8px;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--white) !important;
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* Language Switcher */
.language-switcher .dropdown-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.language-switcher .dropdown-menu {
    background: var(--white);
    border: none;
    box-shadow: var(--shadow);
}

.language-switcher .dropdown-item:hover {
    background-color: var(--light-blue);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--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 1000 100" fill="rgba(255,255,255,0.03)"><path d="M0,50 Q250,0 500,50 T1000,50 L1000,100 L0,100 Z"/></svg>') repeat-x;
    background-size: 1000px 100px;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-hero {
    background: var(--white);
    color: var(--primary-blue);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-blue);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    border: none;
    padding: 1.5rem;
}

.card-body {
    padding: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
}

/* Forms */
.form-section {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.form-control {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    padding: 12px 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, var(--primary-blue), var(--navy));
}

.btn-secondary {
    background: var(--medium-gray);
    border: none;
    border-radius: 8px;
    color: var(--white);
}

.btn-outline-primary {
    border: 2px solid var(--secondary-blue);
    color: var(--secondary-blue);
    border-radius: 8px;
    font-weight: 600;
}

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

/* Form Builder */
.form-builder {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.form-builder-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 2rem;
}

.form-builder-content {
    padding: 2rem;
}

.ai-prompt-section {
    background: var(--light-blue);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-field-preview {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: #fafbfc;
}

.form-field-preview .field-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.form-field-preview .field-required {
    color: var(--danger);
}

/* Dashboard */
.dashboard-stats {
    background: linear-gradient(135deg, var(--light-blue), rgba(59, 130, 246, 0.1));
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.stat-label {
    color: var(--medium-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tables */
.table {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background: var(--light-gray);
    border: none;
    color: var(--dark-gray);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    padding: 1rem;
}

.table td {
    border: none;
    padding: 1rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--light-blue);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #047857;
    border-left: 4px solid var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
    border-left: 4px solid var(--secondary-blue);
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer h5 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--white);
}

/* Stock Images */
.stock-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.intro-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .form-section {
        padding: 1.5rem;
    }
    
    .intro-images {
        grid-template-columns: 1fr;
    }
}

/* Loading States */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--medium-gray);
}

.spinner {
    border: 4px solid var(--light-blue);
    border-top: 4px solid var(--secondary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-primary-blue { color: var(--primary-blue); }
.text-secondary-blue { color: var(--secondary-blue); }
.bg-light-blue { background-color: var(--light-blue); }
.border-radius { border-radius: 8px; }
.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Form Validation */
.is-invalid {
    border-color: var(--danger);
}

.is-valid {
    border-color: var(--success);
}

.invalid-feedback {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.valid-feedback {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}