@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-secondary: #3B82F6;
    --color-cta: #F97316;
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-success: #16A34A;
    --color-success-bg: #DCFCE7;
    --color-danger: #DC2626;
    --color-danger-bg: #FEE2E2;

    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Fira Sans', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-background);
}

.mono { font-family: 'Fira Code', ui-monospace, monospace; }

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

/* ---------- App shell ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-md);
}

.sidebar-brand {
    font-family: 'Fira Code', monospace;
    font-weight: 700;
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
}

.sidebar-nav { display: flex; flex-direction: column; gap: var(--space-xs); }

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    border-radius: var(--radius);
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 200ms ease, color 200ms ease;
}

.nav-item:hover { background: var(--color-background); color: var(--color-text); }
.nav-item.active { background: #EFF6FF; color: var(--color-primary); }

.main-column { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.topbar-title { font-size: 20px; font-weight: 600; }

.topbar-user { display: flex; align-items: center; gap: var(--space-md); }
.topbar-username { color: var(--color-text-muted); font-size: 14px; }

/* ---------- Workspace switcher ---------- */
.workspace-switcher { position: relative; }

.workspace-switcher summary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    transition: background-color 200ms ease;
}
.workspace-switcher summary::-webkit-details-marker { display: none; }
.workspace-switcher summary:hover { background: var(--color-background); }
.workspace-switcher .icon-sm { width: 14px; height: 14px; }

.workspace-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 280px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.workspace-item {
    display: block;
    padding: 10px var(--space-md);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: background-color 150ms ease;
}
.workspace-item:hover { background: var(--color-background); }
.workspace-item:last-child { border-bottom: none; }
.workspace-item-name { font-weight: 600; font-size: 14px; }
.workspace-item-meta { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

/* ---------- Domains page ---------- */
.breadcrumb { color: var(--color-text-muted); font-size: 14px; margin: 0 0 var(--space-md); }

.badge-primary { background: #EFF6FF; color: var(--color-primary); margin-left: var(--space-xs); }

.domain-cell { font-weight: 600; font-size: 14px; }

.verify-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
    background: var(--color-background);
    border-radius: var(--radius);
    padding: var(--space-sm);
    line-height: 1.6;
}
.verify-token { display: inline-block; margin-top: 2px; word-break: break-all; }

.row-actions { display: flex; gap: var(--space-sm); align-items: center; white-space: nowrap; }

.btn-sm { padding: 6px 14px; font-size: 13px; }

.inline-form-row { flex-direction: row; align-items: flex-end; gap: var(--space-md); }
.field-grow { flex: 1; margin-bottom: 0; }

.content { padding: var(--space-xl); max-width: 1200px; }

.content-header { display: flex; justify-content: flex-end; margin-bottom: var(--space-md); }

/* ---------- Cards & tables ---------- */
.card {
    background: var(--color-surface);
    border-radius: 12px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.card-title { margin: 0 0 var(--space-md); font-size: 16px; font-weight: 600; }

.detail-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
    text-align: left;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    padding: var(--space-sm) var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

.data-table tbody tr { transition: background-color 150ms ease; }
.data-table tbody tr:hover { background: var(--color-background); }

.link-mono { font-family: 'Fira Code', monospace; font-weight: 600; text-decoration: none; }
.link-mono:hover { text-decoration: underline; }

.empty-state { text-align: center; color: var(--color-text-muted); padding: var(--space-xl) !important; }

.divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-lg) 0; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-on { background: var(--color-success-bg); color: var(--color-success); }
.badge-off { background: var(--color-border); color: var(--color-text-muted); }

/* ---------- Forms ---------- */
.form-card { max-width: 480px; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: var(--space-md); }
.field span { font-size: 14px; font-weight: 500; }
.field small { color: var(--color-text-muted); font-size: 12px; }

.field-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    cursor: pointer;
}
.field-checkbox input { width: 18px; height: 18px; cursor: pointer; }

.input {
    padding: 12px var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 200ms ease, box-shadow 200ms ease;
}
.input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.input:disabled { background: var(--color-background); color: var(--color-text-muted); }

.form-actions { display: flex; gap: var(--space-sm); margin-top: var(--space-lg); }

.inline-form { display: flex; flex-direction: column; gap: var(--space-sm); margin-top: var(--space-md); }

/* ---------- Buttons ---------- */
.btn-primary, .btn-secondary, .btn-danger {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px var(--space-lg);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 200ms ease, transform 200ms ease, background-color 200ms ease;
}

.btn-primary { background: var(--color-cta); color: #fff; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.btn-secondary { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); padding: 10px 22px; }
.btn-secondary:hover { background: #EFF6FF; }

.btn-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger); color: #fff; }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background-color 200ms ease, color 200ms ease;
}
.btn-icon:hover { background: var(--color-background); color: var(--color-text); }
.btn-icon-danger:hover { background: var(--color-danger-bg); color: var(--color-danger); }

.icon { width: 18px; height: 18px; }

/* ---------- Banners ---------- */
.banner {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: var(--space-md);
}
.banner-success { background: var(--color-success-bg); color: var(--color-success); }
.banner-error { background: var(--color-danger-bg); color: var(--color-danger); }

/* ---------- Auth page ---------- */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Fira Sans', system-ui, sans-serif;
    background: var(--color-background);
}

.auth-card {
    background: var(--color-surface);
    border-radius: 16px;
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 360px;
    text-align: center;
}

.auth-brand { font-family: 'Fira Code', monospace; font-weight: 700; font-size: 28px; color: var(--color-primary); }
.auth-subtitle { color: var(--color-text-muted); margin: var(--space-sm) 0 var(--space-lg); }
.auth-cta { width: 100%; justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--color-border); }
    .content { padding: var(--space-md); }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}