:root {
    --color-bg: #f5f6f8;
    --color-panel: #ffffff;
    --color-border: #e3e5ea;
    --color-ink: #16181d;
    --color-ink-muted: #6b6f7a;

    --color-primary: #0d9488;
    --color-primary-strong: #0b7d73;
    --color-primary-soft: #e3f6f3;
    --color-secondary: #4f46e5;
    --color-secondary-soft: #ecebfd;

    --status-draft-ink: #6b6f7a;
    --status-draft-bg: #eceef1;
    --status-review-ink: #2563eb;
    --status-review-bg: #e7f0fe;
    --status-published-ink: #7c3aed;
    --status-published-bg: #f1ebfd;
}

* {
    box-sizing: border-box;
}

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

button, input, select, textarea {
    font: inherit;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-ink);
    font-size: 15px;
    line-height: 1.5;
}

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

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-width: 9rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1;
    padding: 0.625rem 1.25rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

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

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

.btn-secondary {
    background: var(--color-secondary-soft);
    color: var(--color-secondary);
}

.btn-secondary:hover {
    background: #e0dffb;
}

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

.btn-ghost:hover {
    border-color: var(--color-ink-muted);
}

.btn-block {
    width: 100%;
}

/* App shell */

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 64px;
    padding: 0 1.5rem;
    background: var(--color-panel);
    border-bottom: 1px solid var(--color-border);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.topbar-wordmark {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.topbar-nav {
    display: flex;
    gap: 1.5rem;
}

.topbar-nav a {
    color: var(--color-ink-muted);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
}

.topbar-nav a:hover {
    color: var(--color-ink);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-user-email {
    color: var(--color-ink-muted);
    font-size: 0.875rem;
}

.topbar-logout-form {
    display: inline;
}

.app-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.panel {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

/* Status & badges */

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4375rem;
    border-radius: 999px;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.status-pill-dot {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.status-pill--draft {
    color: var(--status-draft-ink);
    background: var(--status-draft-bg);
}

.status-pill--review {
    color: var(--status-review-ink);
    background: var(--status-review-bg);
}

.status-pill--published {
    color: var(--status-published-ink);
    background: var(--status-published-bg);
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.0625rem;
    line-height: 1;
    flex-shrink: 0;
    cursor: default;
}

.completion-tag {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
    color: #b91c1c;
    white-space: nowrap;
}

.btn-sm {
    min-width: 6rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

/* Django messages */

.messages {
    list-style: none;
    margin: 0;
    padding: 0;
}

.messages__item {
    padding: 0.75rem 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    background: var(--color-secondary-soft);
    color: var(--color-secondary);
    border-bottom: 1px solid var(--color-border);
}

.messages__item--success {
    background: var(--color-primary-soft);
    color: var(--color-primary-strong);
}

.messages__item--error {
    background: #fef2f2;
    color: #b91c1c;
}