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

/* ─── Design Tokens ─────────────────────────────────────────────────────── */
:root {
    /* Colors */
    --color-bg:           #000000;
    --color-surface:      #0c0c0c;
    --color-border:       #222222;
    --color-border-light: #444444;
    --color-text:         #ffffff;
    --color-text-muted:   #cccccc;

    /* Spacing */
    --spacing-xs:  0.25rem;
    --spacing-sm:  0.5rem;
    --spacing-md:  1rem;
    --spacing-lg:  1.25rem;
    --spacing-xl:  2rem;

    /* Shape */
    --radius-sm:  6px;
    --radius-md:  12px;

    /* Typography */
    --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-nav: 1.2rem;
    --font-size-sm:  1.05rem;
}

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

/* ─── Base ──────────────────────────────────────────────────────────────── */
html, body {
    width: 100%;
    min-height: 100dvh;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ─── Main content wrapper ──────────────────────────────────────────────── */
.container {
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-md);
}

/* ─── Page title ────────────────────────────────────────────────────────── */
.page-title {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

/* ─── Navigation ────────────────────────────────────────────────────────── */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-nav);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.nav__brand-link {
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font: inherit;
    cursor: pointer;
    text-decoration: none;
    padding: 0;
    transition: color 0.3s;
}

.nav__btn:hover {
    color: var(--color-text);
}

.nav__logout-form {
    display: inline;
}

/* ─── Dropdown ──────────────────────────────────────────────────────────── */
.nav__dropdown {
    position: relative;
    display: inline-block;
}

.nav__dropdown-trigger {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font: inherit;
    font-size: var(--font-size-nav);
    cursor: pointer;
    transition: color 0.3s;
    user-select: none;
    padding: 0;
}

.nav__dropdown-trigger:hover {
    color: var(--color-text);
}

.nav__dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% - 1px);
    background-color: var(--color-surface);
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.6);
    z-index: 2000;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.nav__dropdown-item {
    color: var(--color-text-muted);
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    display: block;
    font-size: var(--font-size-sm);
    transition: background-color 0.2s, color 0.2s;
    text-align: left;
}

.nav__dropdown-item:hover {
    background-color: #1a1a1a;
    color: var(--color-text);
}

.nav__dropdown:hover .nav__dropdown-menu {
    display: block;
}

/* ─── Data table ────────────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    color: #ddd;
}

.data-table__header,
.data-table__cell {
    border: 1px solid var(--color-border-light);
    padding: var(--spacing-sm);
    text-align: left;
}

.data-table__header {
    background-color: #222;
}

.data-table__row--even {
    background-color: #111;
}

.data__table-scroll {
    overflow-x: auto;
    width: 100%;
}

/* ─── Chart container ───────────────────────────────────────────────────── */
.chart-container {
    width: 100%;
    height: 420px;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* ─── Data page (full-width layout) ────────────────────────────────────── */
.data-page .container {
    max-width: 100%;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: left;
}

/* ─── About page ────────────────────────────────────────────────────────── */
.about__body {
    text-align: left;
    line-height: 1.6;
    margin-top: var(--spacing-lg);
}

/* ─── Logs page ─────────────────────────────────────────────────────────── */
.logs-page {
    overflow: hidden;
    height: 100dvh;
    width: 100%;
}

.logs-page .container {
    max-width: 100%;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.logs-page .iframe-container {
    flex: 1;
    width: 100%;
    height: 100%;
}

.logs-page iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.redis-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 6px 14px;
    background: rgba(255, 193, 7, 0.08);
    border-bottom: 1px solid rgba(255, 193, 7, 0.25);
    flex-shrink: 0;
}

.redis-toolbar__note {
    font-size: 12px;
    color: #b8860b;
    opacity: 0.85;
}

.redis-toolbar__btn {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 5px;
    background: rgba(255, 193, 7, 0.15);
    color: #b8860b;
    border: 1px solid rgba(255, 193, 7, 0.35);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s;
}

.redis-toolbar__btn:hover {
    background: rgba(255, 193, 7, 0.28);
    color: #7a5f00;
}