/* Custom styles for UUID Generator */

:root {
    --bg-color: #ffffff;
    --text-color: #212529;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --input-bg: #ffffff;
    --input-border: #ced4da;
}

.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #e9ecef;
    --card-bg: #2d2d2d;
    --border-color: #495057;
    --input-bg: #3a3a3a;
    --input-border: #495057;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.form-control,
.form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    border-color: #0d6efd;
    color: var(--text-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control:read-only {
    background-color: var(--input-bg);
    cursor: text;
}

/* UUID Display - Prominent */
.uuid-display-container {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(25, 135, 84, 0.1) 100%);
    border-radius: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
}

.uuid-display-wrapper {
    text-align: center;
}

.uuid-display-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 2px;
    word-break: break-all;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    line-height: 1.2;
}

.dark-mode .uuid-display-text {
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.uuid-display-text:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.dark-mode .uuid-display-text:hover {
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
}

/* UUID Display */
#uuidDisplay {
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.font-monospace {
    font-family: 'Courier New', Courier, monospace;
}

/* Button styling */
.btn-check:checked + .btn-outline-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
}

.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Card hover effect */
.card {
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dark-mode .card:hover {
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

/* Dark mode AdSense placeholder */
.adsense-placeholder {
    min-height: 600px;
    background-color: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: 0.375rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Dark mode card headers */
.dark-mode .card-header {
    background-color: var(--input-bg);
    border-bottom-color: var(--border-color);
    color: var(--text-color);
}

/* Dark mode hr */
.dark-mode hr {
    border-color: var(--border-color);
    opacity: 0.5;
}

/* Dark mode text muted */
.dark-mode .text-muted {
    color: #adb5bd !important;
}

/* Dark mode buttons */
.dark-mode .btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.dark-mode .btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.dark-mode .btn-success {
    background-color: #198754;
    border-color: #198754;
}

.dark-mode .btn-success:hover {
    background-color: #157347;
    border-color: #146c43;
}

.dark-mode .btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
}

.dark-mode .btn-outline-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
}

.dark-mode .btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
}

.dark-mode .btn-danger:hover {
    background-color: #bb2d3b;
    border-color: #b02a37;
}

.dark-mode .btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.dark-mode .btn-secondary:hover {
    background-color: #5c636a;
    border-color: #565e64;
}

/* Dark mode form labels */
.dark-mode .form-label {
    color: var(--text-color);
}

/* Dark mode navbar */
.dark-mode .navbar {
    background-color: #1a1a1a !important;
    border-bottom: 1px solid var(--border-color);
}

.dark-mode .navbar-light {
    background-color: #2d2d2d !important;
    border-bottom-color: var(--border-color);
}

.dark-mode .navbar-brand {
    color: var(--text-color) !important;
}

.dark-mode .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-color);
}

.dark-mode .btn-outline-secondary:hover {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Footer */
.footer {
    margin-top: auto;
}

.footer-link {
    color: #0d6efd;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #0a58ca;
    text-decoration: underline;
}

.footer-icon {
    font-size: 0.9em;
}

.dark-mode .footer-link {
    color: #6ea8fe;
}

.dark-mode .footer-link:hover {
    color: #4dabf7;
}

/* Header styling */
.navbar-light {
    background-color: #e9ecef !important;
}

.navbar-light .navbar-brand {
    color: #212529 !important;
}

/* Alert styling */
.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.dark-mode .alert-info {
    background-color: #1e3a3f;
    border-color: #2d4a50;
    color: #a8d5e0;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.dark-mode .alert-success {
    background-color: #1e3a2a;
    border-color: #2d4a3a;
    color: #a8e0b8;
}

/* Educational content */
.uuid-education {
    line-height: 1.8;
    color: var(--text-color);
}

.uuid-education p {
    text-align: justify;
}

/* Nav tabs styling */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-color);
    border: 1px solid transparent;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
    border-color: var(--border-color);
    background-color: var(--input-bg);
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    background-color: var(--card-bg);
    border-color: var(--border-color) var(--border-color) var(--card-bg);
    font-weight: 600;
}

.dark-mode .nav-tabs .nav-link.active {
    color: #6ea8fe;
}

.dark-mode .nav-tabs {
    border-bottom-color: var(--border-color);
}
@media (max-width: 992px) {
    .adsense-placeholder {
        min-height: 300px;
    }
    
    .uuid-display-text {
        font-size: 2.5rem;
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .adsense-placeholder {
        min-height: 250px;
    }
    
    .uuid-display-text {
        font-size: 2rem;
        letter-spacing: 1px;
        padding: 0.75rem;
    }
    
    .uuid-display-container {
        padding: 1.5rem;
    }
    
    .nav-tabs .nav-link {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }
}

/* Copy feedback animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

#copyFeedback {
    animation: fadeIn 0.3s ease;
}

/* Bulk results textarea */
#bulkUuids {
    font-size: 0.9rem;
    line-height: 1.6;
}