/* ============================================
   EvmAPI Console - Design System
   Palette matches /playground (/call) for visual continuity.
   ============================================ */

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

:root {
    --bg: #0F172A;
    --bg-elev: #111D33;
    --surface: #1E293B;
    --surface-hover: #253349;
    --surface-light: #334155;
    --border: #334155;
    --border-strong: #475569;

    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --accent: #14B8A6;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;

    --text: #F1F5F9;
    --text-muted: #94A3B8;
    --text-dim: #64748B;

    --gradient: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #14B8A6 100%);

    --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, .35);

    --sidebar-width: 240px;
    --topbar-height: 56px;
}

html, body { height: 100%; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
}

input, select, textarea, button { font-family: inherit; font-size: inherit; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
h1 { font-size: 26px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }

code, pre { font-family: var(--font-mono); font-size: 13px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ============================================ Buttons */
.btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all .15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    background: transparent;
    color: var(--text);
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); transform: translateY(-1px); }
.btn-gradient { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(59,130,246,.3); }
.btn-gradient:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(59,130,246,.4); }
.btn-outline { border-color: var(--border); color: var(--text-muted); }
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover:not(:disabled) { filter: brightness(1.1); }
.btn-danger-outline { border-color: rgba(239,68,68,.4); color: var(--danger); }
.btn-danger-outline:hover:not(:disabled) { background: rgba(239,68,68,.1); border-color: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ============================================ Form controls */
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
    transition: border-color .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }

/* ============================================ Cards + layout primitives */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card h2, .card h3 { margin-bottom: 12px; }
.card + .card { margin-top: 16px; }

.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; align-items: center; gap: 12px; }
.row-end { margin-left: auto; }
.spacer { flex: 1; }

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 700; font-family: var(--font-mono); color: var(--text); }
.stat-sublabel { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

/* ============================================ Tables */
.table-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
table.data th { background: var(--bg-elev); color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: var(--surface-hover); }
table.data td.mono { font-family: var(--font-mono); }

/* ============================================ Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: var(--radius-xs); font-size: 11px; font-weight: 600; background: var(--surface-light); color: var(--text); }
.badge-success { background: rgba(34,197,94,.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,.15); color: var(--danger); }
.badge-accent { background: rgba(20,184,166,.15); color: var(--accent); }
.badge-info { background: rgba(59,130,246,.15); color: var(--primary); }

/* ============================================ Public layout */
.public-layout { min-height: 100vh; display: flex; flex-direction: column; }
.public-header {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.public-header .brand {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.public-header nav { display: flex; gap: 20px; margin-left: auto; }
.public-header nav a { color: var(--text-muted); font-weight: 500; font-size: 14px; }
.public-header nav a:hover, .public-header nav a.active { color: var(--text); text-decoration: none; }
.public-main { flex: 1; }

/* ============================================ Admin layout */
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar-width) 1fr; }
.admin-sidebar {
    background: var(--bg-elev);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.admin-brand {
    padding: 8px 20px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-brand .logo {
    width: 32px; height: 32px; background: var(--gradient);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700;
}
.admin-brand .title {
    font-size: 16px; font-weight: 700;
    background: var(--gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}

.admin-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.admin-nav-section { font-size: 11px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; padding: 12px 20px 6px; }
.admin-nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 20px;
    color: var(--text-muted);
    font-size: 14px; font-weight: 500;
    border-left: 3px solid transparent;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.admin-nav a:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.admin-nav a.active { color: var(--text); background: var(--surface); border-left-color: var(--primary); }

.admin-content { display: flex; flex-direction: column; min-height: 100vh; }
.admin-topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.admin-topbar .breadcrumb { color: var(--text-muted); font-size: 14px; }
.admin-topbar .breadcrumb strong { color: var(--text); }
.admin-main { padding: 24px; flex: 1; max-width: 1400px; width: 100%; }

.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); margin-right: 6px; animation: pulse 2s infinite; }
.live-dot.stale { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.live-dot.dead { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* ============================================ Login */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; background: radial-gradient(ellipse at top, rgba(59,130,246,.08), transparent 70%), var(--bg); }
.login-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-md); }
.login-logo { width: 56px; height: 56px; background: var(--gradient); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: #fff; }
.login-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.login-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.login-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
.login-footer { font-size: 12px; color: var(--text-dim); margin-top: 20px; text-align: center; }

/* ============================================ Landing */
.landing { max-width: 1000px; margin: 0 auto; padding: 64px 24px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin-bottom: 16px; }
.hero h1 span.grad { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 17px; color: var(--text-muted); max-width: 680px; margin-bottom: 28px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 48px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.feature h3 { margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* ============================================ Misc */
.notfound { text-align: center; padding: 80px 20px; }
.notfound h1 { font-size: 72px; margin-bottom: 8px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.notfound p { color: var(--text-muted); margin-bottom: 24px; }

.json-viewer { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; font-family: var(--font-mono); font-size: 12px; white-space: pre-wrap; word-break: break-all; max-height: 500px; overflow-y: auto; }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 520px; width: 100%; box-shadow: var(--shadow-md); }
.modal-card h2 { margin-bottom: 12px; }

.auth-loading { min-height: 60vh; display: flex; align-items: center; justify-content: center; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.section-head h1 { margin: 0; }
.section-head .row-end { display: flex; gap: 8px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.filter-bar .form-input, .filter-bar .form-select { width: auto; min-width: 180px; }

.pagination { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.pagination button { padding: 4px 10px; border-radius: var(--radius-xs); background: var(--surface); border: 1px solid var(--border); color: var(--text); cursor: pointer; font-size: 12px; }
.pagination button:disabled { opacity: .5; cursor: not-allowed; }

.copy-btn { background: transparent; border: 1px solid var(--border); color: var(--text-muted); padding: 2px 8px; border-radius: var(--radius-xs); cursor: pointer; font-size: 11px; }
.copy-btn:hover { color: var(--text); border-color: var(--primary); }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }

.toast { position: fixed; bottom: 20px; right: 20px; background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius-sm); padding: 12px 16px; box-shadow: var(--shadow-md); z-index: 200; max-width: 400px; font-size: 14px; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }