/* Feature Tracking Website - Main Stylesheet */
/* GPX Analyzer Design System — cream/sand base, ink olive-black, gold accents,
   rally red reserved for the primary CTA, IBM Plex Mono instrument voice. */

/* CSS Variables (Design Tokens) */
:root {
    /* ---- Base palette ---- */
    --gold-200: #EBD79E;
    --gold-300: #E0C067;
    --gold-500: #C9992B;
    --gold-700: #9C7418;
    --gold-800: #7C5B12;

    --ink-900: #22251C;
    --ink-700: #3A3D31;
    --ink-500: #5C5F50;
    --ink-300: #8B8D7F;

    --cream-50: #FBF8EC;
    --cream-100: #F4EEDA;
    --cream-200: #EAE0C2;
    --cream-300: #DDD0A8;

    --red-600: #C1272D;
    --red-700: #9E1F24;

    --cactus-600: #6E7F3C;
    --cactus-700: #55632D;

    /* ---- Semantic aliases ---- */
    --surface-page: var(--cream-100);
    --surface-card: var(--cream-50);
    --surface-inset: var(--cream-200);

    --text-primary: var(--ink-900);
    --text-secondary: var(--ink-500);
    --text-muted: var(--ink-300);
    --text-inverse: var(--cream-50);
    --text-brand: var(--gold-700);

    --border-strong: var(--ink-900);
    --border-default: #D4C79E;
    --border-subtle: #E4DBBE;

    --accent-cta: var(--red-600);
    --accent-cta-hover: var(--red-700);

    --status-success: var(--cactus-600);
    --status-warning: var(--gold-700);
    --status-danger: var(--red-600);

    --focus-ring: rgba(201, 153, 43, 0.5);

    /* ---- Typography ---- */
    --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
    --font-sans: "Barlow", "Helvetica Neue", Arial, sans-serif;
    --tracking-label: 0.08em;

    /* ---- Spacing / radii / layout ---- */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-pill: 999px;
    --control-sm: 28px;
    --control-md: 36px;
    --container-max: 1160px;
    --sidebar-width: 240px;
    --top-nav-height: 60px;

    /* ---- Effects ---- */
    --shadow-card: 0 1px 2px rgba(34, 37, 28, 0.08);
    --shadow-raised: 0 4px 12px rgba(34, 37, 28, 0.12);
    --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
    --duration-fast: 120ms;
    --duration-normal: 200ms;

    /* ---- Legacy aliases (inline styles in page markup reference these) ---- */
    --brand-red: var(--ink-900);
    --brand-red-dark: var(--ink-700);
    --brand-accent: var(--gold-500);
    --canvas-bg: var(--cream-50);
    --panel-bg: var(--cream-100);
    --border-color: var(--border-default);
    --hover-bg: var(--cream-200);
    --card-radius: var(--radius-md);
    --card-shadow: var(--shadow-card);
    --font-stack: var(--font-sans);
    --transition-fast: var(--duration-fast) var(--ease-out);
    --transition-normal: var(--duration-normal) var(--ease-out);
}

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

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-primary);
    background-color: var(--surface-page);
    -webkit-font-smoothing: antialiased;
}

/* Typography — mono instrument voice for headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-mono);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 16px;
}

h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 15px;
}

p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

a {
    color: var(--text-brand);
    text-decoration-color: var(--gold-300);
}

::selection {
    background: var(--gold-300);
    color: var(--ink-900);
}

/* Layout */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

.main-layout {
    display: flex;
    min-height: 100vh;
}

/* Top Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--top-nav-height);
    background: var(--surface-card);
    border-bottom: 2px solid var(--ink-900);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 32px;
    width: auto;
    max-width: 150px;
    vertical-align: middle;
    margin-right: 10px;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--ink-900);
    vertical-align: middle;
}

.primary-links {
    display: flex;
    gap: 4px;
    list-style: none;
}

.primary-links a {
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 2px;
    transition: color var(--duration-fast) var(--ease-out);
}

.primary-links a:hover {
    color: var(--ink-900);
}

.auth-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.auth-links .link {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--text-secondary);
    text-decoration: none;
}

.auth-links .link:hover {
    color: var(--ink-900);
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: var(--top-nav-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--top-nav-height));
    background: var(--surface-page);
    border-right: 1px solid var(--border-default);
    overflow-y: auto;
    z-index: 900;
}

.side-nav {
    list-style: none;
    padding: 16px 0;
}

.side-nav .section {
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-label);
    margin-top: 16px;
}

.side-nav .item {
    padding: 8px 16px;
    border-left: 3px solid transparent;
    transition: background var(--duration-fast) var(--ease-out);
    cursor: pointer;
}

.side-nav .item:hover {
    background: var(--surface-inset);
    color: var(--text-primary);
}

.side-nav .item.active {
    border-left-color: var(--gold-500);
    font-weight: 600;
    background: var(--surface-inset);
}

.side-nav .item a {
    color: inherit;
    text-decoration: none;
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-top: var(--top-nav-height);
    padding: 32px;
    background: var(--surface-page);
}

/* Cards — paper-map surfaces: flat, bordered, whisper shadow */
.card {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
    transition: border-color var(--duration-fast) var(--ease-out);
    overflow: hidden;
}

.card:hover {
    border-color: var(--gold-500);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.card-title {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-body {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
}

.card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Post Cards */
.post-card {
    margin-bottom: 16px;
}

.post-card .card-header {
    margin-bottom: 8px;
}

/* Type & status badges — uppercase mono pills */
.post-type,
.post-status {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    line-height: 1.6;
    white-space: nowrap;
}

.post-type.feature {
    background: var(--gold-500);
    color: var(--ink-900);
    border-color: var(--gold-700);
}

.post-type.bug {
    background: var(--red-600);
    color: var(--cream-50);
    border-color: var(--red-700);
}

.post-status.in_review {
    background: var(--surface-inset);
    color: var(--ink-700);
    border-color: var(--border-default);
}

.post-status.in_progress {
    background: var(--gold-200);
    color: var(--gold-800);
    border-color: var(--gold-500);
}

.post-status.completed {
    background: var(--cactus-600);
    color: var(--cream-50);
    border-color: var(--cactus-700);
}

/* Buttons — uppercase mono; red is reserved for the one key CTA per view */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: var(--control-md);
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out);
}

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

.btn:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--accent-cta);
    color: var(--cream-50);
    border-color: var(--accent-cta);
}

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

.btn-ghost {
    background: transparent;
    color: var(--ink-900);
    border-color: var(--ink-900);
}

.btn-ghost:hover {
    background: var(--surface-inset);
}

.btn-danger {
    background: var(--red-600);
    color: var(--cream-50);
    border-color: var(--red-700);
}

.btn-danger:hover {
    background: var(--red-700);
}

.btn-small {
    height: var(--control-sm);
    padding: 0 10px;
    font-size: 11px;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--ink-700);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--surface-card);
    transition: border-color var(--duration-fast) var(--ease-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--gold-700);
    box-shadow: 0 0 0 2px var(--focus-ring);
}

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

/* Search & Filters */
.search-filters {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 200px;
}

.filter-group {
    display: flex;
    gap: 8px;
}

.filter-select {
    font-family: var(--font-mono);
    font-size: 12px;
}

/* Badges (column counts) */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-default);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    background: var(--surface-inset);
    color: var(--ink-700);
}

/* Messages */
.message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    border-left-width: 3px;
    margin-bottom: 24px;
    font-weight: 500;
    background: var(--surface-card);
}

.message.error {
    border-color: var(--red-600);
    color: var(--red-700);
    background: rgba(193, 39, 45, 0.07);
}

.message.success {
    border-color: var(--cactus-600);
    color: var(--cactus-700);
    background: rgba(110, 127, 60, 0.1);
}

.message.warning {
    border-color: var(--gold-500);
    color: var(--gold-800);
    background: var(--gold-200);
}

.message.info {
    border-color: var(--border-default);
    color: var(--ink-700);
    background: var(--surface-inset);
}

/* Comments */
.comment {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-subtle);
}

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

.comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.comment-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ink-900);
    border: 1px solid var(--ink-900);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cream-50);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    overflow: hidden;
}

.comment-author {
    font-weight: 600;
    color: var(--text-primary);
}

.comment-date {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.comment-body {
    color: var(--text-secondary);
    line-height: 1.55;
}

/* Roadmap */
.roadmap-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.roadmap-column {
    background: var(--surface-page);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 16px;
}

.roadmap-column h3 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-default);
    font-size: 13px;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
}

/* Vote Button — instrument toggle: ink fill when active */
.vote-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--surface-card);
    color: var(--ink-700);
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
}

.vote-btn:hover {
    border-color: var(--ink-900);
    color: var(--ink-900);
}

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

.vote-btn.voted {
    background: var(--ink-900);
    border-color: var(--ink-900);
    color: var(--cream-50);
}

.vote-btn.voted:hover {
    background: var(--ink-700);
}

.vote-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.vote-count {
    font-family: var(--font-mono);
}

/* Admin table */
.admin-table th {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--ink-700);
}

.status-select {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

/* Field errors injected by JS validation */
.field-error {
    font-size: 12px;
    color: var(--red-700);
}

/* Responsive Design */
@media (max-width: 1023px) {
    /* Hide primary navigation links on mobile */
    .primary-links {
        display: none;
    }

    /* Show hamburger menu */
    .hamburger {
        display: block !important;
    }

    /* Adjust logo positioning to avoid hamburger overlap on tablets */
    .logo {
        margin-left: 50px; /* Give space for hamburger menu */
        display: flex;
        align-items: center;
        max-width: calc(100vw - 120px); /* Prevent overflow */
    }

    .logo-image {
        height: 26px; /* Medium size for tablets */
        max-width: 120px;
    }

    .logo-text {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Sidebar overlay - let JavaScript handle display */
    .sidebar-overlay {
        opacity: 0;
        transition: opacity var(--duration-normal) var(--ease-out);
        pointer-events: none;
    }

    /* Show overlay when sidebar is open */
    .sidebar.open ~ .sidebar-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--duration-normal) var(--ease-out);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .roadmap-columns {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 16px;
    }

    .top-nav {
        padding: 0 16px;
        position: relative;
    }

    /* Adjust logo positioning to avoid hamburger overlap */
    .logo {
        margin-left: 50px; /* Give space for hamburger menu */
        display: flex;
        align-items: center;
        max-width: calc(100vw - 120px); /* Prevent overflow */
    }

    .logo-image {
        height: 24px; /* Slightly smaller on mobile */
        max-width: 100px;
    }

    .logo-text {
        font-size: 13px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .main-content {
        padding: 16px;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .search-filters {
        flex-direction: column;
    }

    .search-box {
        min-width: auto;
    }

    .auth-links {
        gap: 8px;
    }

    .btn {
        padding: 0 12px;
    }

    /* Improve mobile sidebar */
    .sidebar {
        width: 280px;
    }

    /* Better mobile hamburger positioning */
    .hamburger {
        position: fixed !important;
        top: 12px !important;
        left: 12px !important;
        z-index: 1002 !important;
        background: var(--ink-900) !important;
        color: var(--cream-50) !important;
        border: none !important;
        padding: 10px !important;
        border-radius: var(--radius-sm) !important;
        box-shadow: var(--shadow-card) !important;
    }

    /* Improve sidebar overlay */
    .sidebar-overlay {
        background: rgba(34, 37, 28, 0.5) !important;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .btn:active,
    .vote-btn:active {
        transform: none;
    }
}

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--ink-900);
    color: var(--cream-50);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-default);
    border-radius: 50%;
    border-top-color: var(--gold-500);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}