@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #1a365d;      /* Industrial deep navy blue */
    --primary-hover: #172a45;
    --accent-color: #2b6cb0;       /* Business blue */
    --accent-hover: #2c5282;
    --accent-red: #c53030;         /* Warning / Delete red */
    --accent-red-hover: #9b2c2c;
    --bg-light: #edf2f7;           /* Cool grey background */
    --bg-card: #ffffff;            /* Card background */
    --text-main: #2d3748;          /* Charcoal text */
    --text-muted: #718096;         /* Gray text */
    --border-color: #e2e8f0;       /* Border grey */
    --border-dark: #cbd5e0;        /* Focus border grey */
    --success-color: #2f855a;      /* Soft success green */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --max-width: 960px;
}

/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Layout */
.header {
    background-color: var(--primary-color);
    padding: 1.25rem 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.35rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: #93c5fd; /* Light contrast blue */
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: #e2e8f0;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: #ffffff;
}

/* Specific overrides for buttons inside navigation links to prevent specificity conflicts */
.nav-links a.btn {
    font-weight: 600;
}

.nav-links a.btn-sm {
    font-size: 0.8rem;
}

.nav-links a.btn-secondary {
    color: var(--primary-color);
}

.nav-links a.btn-secondary:hover {
    color: var(--primary-hover);
}

.nav-links a.btn-primary {
    color: #ffffff;
}

.nav-links a.btn-primary:hover {
    color: #ffffff;
}

.main-content {
    flex: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 1rem;
}

.footer {
    background-color: var(--primary-color);
    padding: 2.5rem 1rem;
    text-align: center;
    margin-top: auto;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    list-style: none;
}

.footer-nav a {
    color: #e2e8f0;
}

.footer-nav a:hover {
    color: #ffffff;
}

/* Typography & Titles */
h1, h2, h3, h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

.section-title {
    border-left: 4px solid var(--primary-color);
    padding-left: 0.75rem;
    margin-bottom: 2rem;
}

/* Podcast Episode Cards (Homepage) */
.episodes-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.episode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.episode-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.episode-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.75rem;
    display: flex;
    gap: 1rem;
}

.episode-title {
    margin-bottom: 1rem;
}

.episode-title a {
    color: var(--primary-color);
}

.episode-title a:hover {
    color: var(--accent-color);
}

.episode-desc {
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.player-container {
    background-color: var(--bg-light);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.player-container audio {
    width: 100%;
    height: 36px;
    outline: none;
}

.episode-actions {
    display: flex;
    justify-content: flex-end;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.6rem 1.25rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
}

.btn-secondary {
    background-color: #edf2f7;
    border: 1px solid var(--border-dark);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: #e2e8f0;
    color: var(--primary-hover);
}

.btn-danger {
    background-color: var(--accent-red);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: var(--accent-red-hover);
    color: #ffffff;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* Episode Detail Page */
.episode-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.transcript-section {
    margin-top: 2.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.transcript-section summary {
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem 0;
    user-select: none;
    font-size: 1.1rem;
    outline: none;
}

.transcript-section summary:hover {
    color: var(--accent-color);
}

.transcript-content {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.7;
}

.transcript-content p {
    margin: 0 0 0.75rem 0;
}

.transcript-content p:last-child {
    margin-bottom: 0;
}

/* Navigation between episodes */
.episode-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    font-weight: 500;
}

.episode-nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Legal Pages */
.text-page {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2.5rem;
}

.text-page p {
    margin-bottom: 1.25rem;
}

/* Alert Boxes */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.alert-success {
    background-color: #ebf8f2;
    border: 1px solid #c6f6d5;
    color: var(--success-color);
}

.alert-danger {
    background-color: #fff5f5;
    border: 1px solid #fed7d7;
    color: var(--accent-red);
}

/* Admin Dashboard & Forms */
.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.admin-table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.admin-table th, 
.admin-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
}

.admin-table tr:hover td {
    background-color: #fafbfc;
}

/* Optimize column sizes to prevent horizontal scrollbars on PC */
.admin-table th:not(:first-child),
.admin-table td:not(:first-child) {
    width: 1%;
    white-space: nowrap;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.status-published {
    background-color: #e6fffa;
    color: #234e52;
}

.status-draft {
    background-color: #edf2f7;
    color: #4a5568;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-dark);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.15s ease;
    color: var(--text-main);
    background-color: #ffffff;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    margin-bottom: 0;
    cursor: pointer;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.login-form-container {
    max-width: 420px;
    margin: 4rem auto;
}

/* Responsive Grid / Media Queries */
@media (max-width: 768px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    
    .header-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links {
        justify-content: center;
    }
    
    .episode-card {
        padding: 1.5rem;
    }
    
    .episode-nav {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
}

/* Category Badges Styling */
.category-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.8rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: #ffffff;
    border-radius: 3px; /* Industrial, slightly rounded corporate style */
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-link {
    transition: opacity 0.15s ease;
}

.badge-link:hover {
    opacity: 0.85;
    color: #ffffff;
}

.category-group {
    margin-bottom: 3rem;
}

.category-group-title {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.category-group-title .badge {
    font-size: 0.9rem;
    padding: 0.3rem 0.8rem;
}

/* Inline code in summary bullet points */
.episode-summary code {
    background-color: #edf2f7;
    color: #c53030;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.88em;
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    word-break: break-word;
}

.episode-summary code.code-block {
    display: block;
    background-color: var(--primary-color);
    color: #e2e8f0;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border: none;
    margin-top: 0.5rem;
    overflow-x: auto;
    white-space: pre-wrap;
    font-size: 0.85em;
    line-height: 1.5;
}