/* ---------------------------------------------------
   Feedlaney - Base Design System
   Shared by every page: reset, tokens, layout, components
--------------------------------------------------- */

:root {
    /* Colors */
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-text: #18181b;
    --color-text-muted: #71717a;
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-success: #16a34a;
    --color-danger: #dc2626;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;

    /* Radius & shadow */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);

    /* Font */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p {
    margin: 0 0 var(--space-md) 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

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

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #dcfce7;
    color: var(--color-success);
}

.badge-danger {
    background: #fee2e2;
    color: var(--color-danger);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

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

.btn:active {
    transform: scale(0.98);
}

.text-muted {
    color: var(--color-text-muted);
}

code {
    background: #f4f4f5;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.form-select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    font-size: 14px;
    color: var(--color-text);
}

.board-toolbar {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.sort-tabs {
    display: flex;
    gap: 4px;
    background: #f0f0f2;
    padding: 4px;
    border-radius: 999px;
}

.sort-tabs a {
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.sort-tabs a:hover {
    color: var(--color-text);
}

.sort-tabs a.active {
    background: var(--color-primary);
    color: #fff;
}

.sort-tabs a.active:hover {
    color: #fff;
}

.feedback-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.feedback-item:last-child {
    border-bottom: none;
}

.vote-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    cursor: pointer;
    transition: all 0.15s ease;
}

.vote-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.vote-btn.voted {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.vote-arrow {
    font-size: 11px;
    line-height: 1;
}

.vote-count {
    font-size: 14px;
    font-weight: 700;
    margin-top: 3px;
}

.feedback-title {
    font-weight: 600;
}

.feedback-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 6px;
}

.comment {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.comment:last-child {
    border-bottom: none;
}

.comment-body {
    margin: 4px 0 6px;
    white-space: pre-line;
}

.comment-reply-link {
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.comment-reply-form {
    display: none;
    margin-top: 10px;
}

.textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    resize: vertical;
}

.roadmap-columns {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
}

.roadmap-column {
    flex: 1 1 0;
    min-width: 260px;
    background: #f0f0f2;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.roadmap-column h4 {
    margin: 0 0 var(--space-md);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
}

.roadmap-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
}

.roadmap-card-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    display: block;
    color: var(--color-text);
}

.roadmap-card-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    font-size: 12px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-tile {
    text-align: left;
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.1;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 4px;
}

.activity-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

.activity-item:last-child {
    border-bottom: none;
}

.rank-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.rank-list-item:last-child {
    border-bottom: none;
}

.rank-number {
    color: var(--color-text-muted);
    font-weight: 600;
    width: 20px;
    flex-shrink: 0;
}

.changelog-entry {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.changelog-entry:last-child {
    border-bottom: none;
}

.changelog-date {
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s ease;
}

.reaction-btn:hover {
    border-color: var(--color-primary);
}

.reaction-btn.reacted {
    background: #eef2ff;
    border-color: var(--color-primary);
}