@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
    /* Linear Design Tokens */
    --color-brand: #5e6ad2; /* Primary actions */
    --bg: #171723; /* App background */
    --bg-card: #2c2c35; /* Surface / cards */
    --bg-input: #1a1a1a; /* Input background */
    --bg-hover: #27272a; /* Hover overlay */

    --text-main: #ffffff; /* Primary text */
    --text-muted: #8a8f98; /* Secondary text */
    --text-dark: #52525b; /* Tertiary text */

    --border: #27272a; /* Divider / border */
    --border-focus: var(--color-brand);

    --font-sans: "Inter", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    --radius-sm: 4px; /* Badges, status */
    --radius: 6px; /* Buttons, inputs, cards */
    --radius-pill: 99px;

    --transition: 150ms ease;

    --accent: var(--color-brand); /* Accent used for highlights */
    /* Shadows */
    --shadow-popup: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-modal: 0 16px 48px rgba(0, 0, 0, 0.5);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-muted);
    line-height: 1.3;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

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

a:hover {
    color: var(--text-main);
}

code {
    font-family: var(--font-mono);
    font-size: 12px;
}

ul {
    list-style: none;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden {
    display: none !important;
}

/* ── Typography ──────────────────────────────────────────────────────────── */
h1,
h2,
h3,
h4 {
    color: var(--text-main);
    font-weight: 500;
    font-family: var(--font-sans);
    letter-spacing: -0.02em;
}

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

strong {
    color: var(--text-main);
    font-weight: 500;
}

/* ── Buttons & Pills ─────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    transition: all var(--transition);
}

.btn:hover {
    background: var(--bg-hover);
    color: var(--text-main);
    border-color: var(--border-focus);
}

.key-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border: 1px solid var(--border-focus);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 10px;
    color: var(--text-muted);
}

/* ── Nav ─────────────────────────────────────────────────────────────────── */
.nav {
    padding: 32px 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-main);
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 24px;
    font-size: 13px;
    align-items: center;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    padding: 4px 0;
}

/* ── Layout & Sections ───────────────────────────────────────────────────── */
.section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}

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

.section-header {
    margin-bottom: 40px;
}

.section-title {
    font-size: 24px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}

.section-desc {
    font-size: 14px;
    color: var(--text-dark);
}

/* Hero / Login */
.hero {
    text-align: center;
    padding: 120px 0;
    border-bottom: 1px solid var(--border);
}

.hero-logo-big {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    color: var(--text-main);
    line-height: 1;
}

.hero-desc {
    margin: 0 auto 32px;
    color: var(--text-muted);
    font-size: 13px;
}

.hero-desc strong {
    color: var(--text-main);
}

.login-box {
    max-width: 320px;
    margin: 0 auto;
}

.login-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

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

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
}

.card h3 {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.card p {
    font-size: 13px;
    color: var(--text-muted);
}

.card code {
    display: block;
    background: var(--bg-card);
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-top: 16px;
    color: var(--text-muted);
}

/* Letter Section */
.letter-wrapper {
    padding: 3px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
}

.letter-inner {
    padding: 60px;
    border: 1px solid var(--border);
    background: var(--bg);
    background-image:
        linear-gradient(var(--bg-card) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-card) 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
}

.letter-tag {
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: block;
}

.letter-title {
    font-size: 28px;
    color: #3b82f6;
    margin-bottom: 32px;
    font-family: var(--font-sans);
    font-weight: 400;
}

.letter-body {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
    max-width: 650px;
}

.letter-body p {
    margin-bottom: 24px;
}

.letter-seal {
    position: absolute;
    top: 60px;
    right: 60px;
    width: 100px;
    height: 100px;
    border: 2px dashed var(--border-focus);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-family: var(--font-mono);
    font-size: 9px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: rotate(-15deg);
    opacity: 0.5;
}

.letter-footer {
    margin-top: 48px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.letter-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card);
    overflow: hidden;
    border: 1px solid var(--border);
}

.letter-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.letter-author-name {
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
}

.letter-author-sub {
    color: var(--text-dark);
    font-family: var(--font-mono);
    font-size: 11px;
}

/* Leaderboard Table completely minimal */
.table-wrapper {
    overflow-x: auto;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-family: var(--font-mono);
}

th {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
    font-weight: 400;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid transparent;
    color: var(--text-dark);
}

tr:hover td {
    color: var(--text-main);
}

.td-main {
    color: var(--text-muted);
    white-space: nowrap;
}

/* Inputs & Forms */
.input-group {
    position: relative;
    margin-bottom: 12px;
}

.input-group input {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px 10px 36px;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 13px;
    outline: none;
    transition: border var(--transition);
}

.input-group input:focus {
    border-color: var(--border-focus);
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dark);
    font-size: 14px;
}

/* Footer */
.footer {
    padding: 40px 0;
    font-size: 12px;
    color: var(--text-dark);
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 16px;
}

/* Dashboard overrides */
.dash-nav {
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.dash-header {
    margin: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.dash-header h1 {
    font-size: 24px;
    font-family: var(--font-mono);
    font-weight: 500;
}

.d-card {
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.d-val {
    font-size: 24px;
    color: var(--text-main);
    font-family: var(--font-mono);
}

.d-label {
    font-size: 12px;
    color: var(--text-dark);
    text-transform: uppercase;
}

/* Code Blocks */
pre {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    color: var(--text-muted);
}

.code-tabs {
    display: flex;
    gap: 16px;
    margin-bottom: -16px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.code-tab {
    background: none;
    border: none;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dark);
    cursor: pointer;
}

.code-tab.active {
    color: var(--text-main);
}

.nav-user-pill {
    display: flex;
    align-items: center;
    padding: 4px 12px 4px 4px;
    background: var(--bg-hover);
    border: 1px solid var(--border-focus);
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: var(--text-main);
    transition: all var(--transition);
}

.panel-drag-ghost {
    opacity: 0.4;
    border: 1px dashed var(--border-focus) !important;
}

.sortable-fallback {
    opacity: 0.9 !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4) !important;
    pointer-events: none !important;
    z-index: 9999 !important;
}

.panel-drag-handle:active {
    cursor: grabbing;
}

.nav-user-pill:hover {
    border-color: var(--text-muted);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-muted);
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: all var(--transition);
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 56px 0;
    }

    .hero {
        padding: 80px 0;
    }

    .hero-logo-big {
        font-size: 36px;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .nav {
        padding: 20px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-inner {
        flex-wrap: wrap;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 16px;
        padding: 16px 0 4px;
        width: 100%;
        align-items: flex-start;
    }

    .nav-links.open {
        display: flex;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 40px 0;
    }

    .hero {
        padding: 56px 0;
    }

    .hero-logo-big {
        font-size: 28px;
    }

    .section-title {
        font-size: 18px;
    }

    .letter-inner {
        padding: 24px;
    }

    .letter-seal {
        display: none;
    }

    .letter-body p br {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Dashboard header row */
    #dashboard > .container > div:first-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    #dashboard > .container > div:first-child > div:last-child {
        flex-wrap: wrap;
        gap: 8px;
    }

    /* Profile settings bio/website grid */
    #profile-settings-card > div:nth-child(2) {
        grid-template-columns: 1fr !important;
    }

    /* Leaderboard section header */
    #leaderboard .section-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px;
    }

    #leaderboard .section-header > div {
        flex-wrap: wrap;
        gap: 10px !important;
    }

    /* Store controls */
    #store-controls {
        flex-wrap: wrap;
    }

    /* Plugin store header */
    #plugin-store > div:first-child,
    #theme-store-section > div:first-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* Daily Activity Chart */
.chart-bar {
    flex: 1;
    background: var(--accent);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    min-height: 4px;
    position: relative;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.chart-bar:hover {
    opacity: 1;
}

.chart-bar-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-focus);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text-main);
    white-space: nowrap;
    z-index: 10;
    pointer-events: none;
    line-height: 1.6;
}

.chart-bar:hover .chart-bar-tooltip {
    display: block;
}