/* --- New Modern Dark Theme --- */
:root {
    --bg-dark: #1e1f22;
    --bg-medium: #2b2d31;
    --bg-light: #313338;
    --border-color: #3f4147;
    --primary-color: #5865f2;
    --primary-hover-color: #4752c4;
    --text-primary: #f2f3f5;
    --text-secondary: #b8b9bf;
    --success-color: #2dc770;
    --body-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --border-radius: 8px;
    --shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--body-font);
    background-color: var(--bg-dark);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 16px;
}

/* --- Layout & Container --- */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* --- Hero Section on Index --- */
.hero-section {
    text-align: center;
    margin-bottom: 2.5rem;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.hero-section .subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Card Styling --- */
.card {
    background-color: var(--bg-medium);
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* --- Floating Label Form Styling --- */
.form-group.floating-label-group {
    position: relative;
    margin-top: 1rem; /* Add space for the floated label */
}

.floating-label-group label {
    position: absolute;
    top: 50%;
    left: 0.75rem;
    transform: translateY(-50%);
    color: var(--text-secondary);
    background: var(--bg-light); /* Match input background */
    padding: 0 0.25rem;
    margin: 0;
    font-size: 1rem;
    transition: all 0.2s ease-in-out;
    pointer-events: none; /* Let clicks pass through to the input */
    white-space: nowrap;
}

/* Style for the floated state */
.floating-label-group input:focus + label,
.floating-label-group input:not(:placeholder-shown) + label,
.floating-label-group.has-value label,
.floating-label-group:focus-within label {
    top: 0;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: var(--bg-medium); /* Match card background */
}


/* --- General Form Elements --- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

input,
.choices__inner {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-family: var(--body-font);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-light) !important;
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
.choices.is-focused .choices__inner {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.25);
}


/* --- Output & Results --- */
.output-card h2 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.small-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.timestamp-header {
    display: grid;
    grid-template-columns: 1fr 2fr 2fr;
    gap: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.timestamp-row {
    display: grid;
    grid-template-columns: 1fr 2fr 2fr;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}
.timestamp-row:last-of-type {
    border-bottom: none;
}
.timestamp-row:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.format-label {
    font-weight: 500;
    color: var(--text-primary);
}

.preview {
    font-family: Consolas, monaco, monospace;
    color: var(--primary-color);
}

.code-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--bg-dark);
    border-radius: 6px;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s ease-in-out;
}
.code-wrapper:hover {
    border-color: var(--primary-color);
}

.timestamp-code {
    font-family: Consolas, monaco, monospace;
    font-size: 0.9rem;
    padding: 0.25rem 0.5rem;
    white-space: nowrap;
    overflow-x: auto;
    cursor: pointer;
    flex-grow: 1;
    color: var(--text-secondary) !important;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
}

.copy-btn:hover {
    background-color: var(--bg-light);
    color: var(--text-primary);
}

.copy-btn.copied {
    color: var(--success-color) !important;
}

.unix-timestamp-display {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#unix-output {
    font-weight: 600;
    color: var(--text-primary);
}

/* --- General Layout --- */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex-grow: 1;
}

/* --- Site Header & Navigation --- */
.site-header {
    background-color: var(--bg-medium);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: none;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary-color);
}

/* --- Main Site Footer --- */
.site-footer-simple {
    text-align: center;
    margin-top: 2rem;
    padding-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.site-footer-simple a {
    color: var(--text-primary);
    text-decoration: none;
    margin: 0 0.5rem;
}
.site-footer-simple a:hover {
    text-decoration: underline;
    color: var(--primary-color);
}

/* --- Plugin Overrides --- */
.choices__list--dropdown, .choices__list[aria-expanded] {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}
.choices__item--choice {
    transition: background-color 0.2s ease;
}
.choices__list--dropdown .choices__item--choice.is-highlighted {
    background-color: var(--primary-color) !important;
    color: var(--text-primary) !important;
}
.choices__group {
    color: var(--text-secondary);
}
.choices__input {
    background-color: transparent !important;
    color: var(--text-primary);
}
.flatpickr-calendar {
    background: var(--bg-medium);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}
.flatpickr-day.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
}
.flatpickr-day:hover {
    background: var(--bg-light);
}
.flatpickr-day.today {
    border-color: var(--primary-hover-color);
}
.flatpickr-time input:hover, .flatpickr-time .flatpickr-am-pm:hover {
    background: var(--bg-light);
}
span.flatpickr-weekday {
    color: var(--text-secondary);
}
.numInputWrapper span:hover {
    background: var(--bg-light) !important;
}

/* --- Content & SEO Sections on Index Page --- */
.content-h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
.content-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.content-card p, .content-card li {
    color: var(--text-secondary);
    line-height: 1.7;
}
.content-card strong {
    color: var(--primary-color);
    font-weight: 600;
}
.content-card code {
    background-color: var(--bg-dark);
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    border-radius: 6px;
    font-family: Consolas, monaco, monospace;
}
.steps-list {
    list-style: none;
    padding-left: 0;
    counter-reset: steps-counter;
}
.steps-list li {
    counter-increment: steps-counter;
    position: relative;
    padding-left: 45px;
    margin-bottom: 1.5rem;
}
.steps-list li::before {
    content: counter(steps-counter);
    position: absolute;
    left: 0;
    top: -2px;
    width: 32px;
    height: 32px;
    background-color: var(--primary-color);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.steps-list h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.faq-item {
    margin-bottom: 1.5rem;
}

/* --- Formats List Styling --- */
.formats-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
}
.format-item {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
}
.formats-list .format-item:last-child:nth-child(odd) {
    grid-column: span 2;
}
.format-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.format-item-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}
.format-item-body strong {
    color: var(--text-secondary);
    font-weight: 500;
}
.format-item-preview {
    margin-bottom: 0.5rem;
}
.format-item-desc {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-top: auto;
    padding-top: 0.5rem;
}


/* --- Content Page Styling (About, How-to, etc.) --- */
.content-page h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 0.5rem;
}
.content-page .subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3.5rem auto;
}
.content-page .content-card {
    background-color: var(--bg-medium);
    border: 1px solid var(--border-color);
    box-shadow: none;
    padding: 2rem 2.5rem;
    counter-reset: section-counter;
}
.content-page .content-card h3,
.content-page .content-card h4 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}
.content-page .content-card h4 {
    font-size: 1.2rem;
    border-bottom: none;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}
.content-page .content-card h3:first-of-type {
    margin-top: 0;
}
.content-page .content-card h3::before {
    counter-increment: section-counter;
    content: counter(section-counter);
    background-color: var(--primary-color);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}
.content-page .content-card p,
.content-page .content-card li {
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 1.05rem;
}
.content-page .content-card ul {
    list-style: none;
    padding-left: 0;
    margin-top: 1.5rem;
}
.content-page .content-card li {
    padding-left: 2.25rem;
    position: relative;
    margin-bottom: 1rem;
}
.content-page .content-card li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 900;
    position: absolute;
    left: 0.5rem;
    top: 2px;
}
.content-page .content-card strong {
    color: var(--primary-color);
    font-weight: 600;
}


/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hero-section h1, .content-page h1 {
        font-size: 2rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .card, .content-page .content-card {
        padding: 1.5rem;
    }
    .timestamp-header {
        display: none;
    }
    .timestamp-row {
        display: block;
        position: relative;
        padding: 1rem 0.5rem;
    }
    .format-label {
        margin-bottom: 0.5rem;
    }
    .preview {
        margin: 0.25rem 0 0.75rem 0;
    }
    .code-wrapper {
        width: 100%;
    }
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    .formats-list {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
    .formats-list .format-item:last-child:nth-child(odd) {
        grid-column: span 1; /* Reset for mobile */
    }
}