/* ============================================================
   POLYOTA — Firmware Update Management
   by POLYVECTION · polyvection.com
   Dark, data-dense, utilitarian.
   ============================================================ */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2129;
    --bg-elevated: #21262d;
    --border: #30363d;
    --border-bright: #484f58;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-dim: #1f3a5f;
    --green: #3fb950;
    --green-dim: #1a3a2a;
    --yellow: #d29922;
    --yellow-dim: #3d2e00;
    --red: #f85149;
    --red-dim: #3d1418;
    --orange: #db6d28;
    --mono: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 0 0 12px 0;
}
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }

p { color: var(--text-secondary); margin: 0 0 12px; }
small { color: var(--text-muted); font-size: 12px; }
code {
    font-family: var(--mono);
    font-size: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 3px;
    color: var(--text-primary);
}
strong { font-weight: 600; }

/* --- Layout --- */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Top Bar --- */

.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    height: 48px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-brand {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-right: 32px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-brand .dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px var(--green);
}

.topbar-logo {
    height: 22px;
    vertical-align: middle;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.login-logo {
    height: 40px;
    display: block;
    margin: 0 auto 16px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.topbar-nav {
    display: flex;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.topbar-nav a {
    display: block;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s;
}

.topbar-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    text-decoration: none;
}

.topbar-nav a.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.topbar-user {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--mono);
}

/* --- Buttons --- */

button, .btn, input[type="submit"] {
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.5;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

button:hover, .btn:hover, input[type="submit"]:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-bright);
}

.btn-primary {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}
.btn-primary:hover {
    background: #1a4a7a;
}

.btn-danger {
    border-color: var(--red);
    color: var(--red);
    background: var(--red-dim);
}
.btn-danger:hover { background: #4d1a1e; }

.btn-sm {
    font-size: 12px;
    padding: 3px 10px;
}

.btn-logout {
    font-size: 12px;
    padding: 3px 10px;
    border-color: var(--border);
    color: var(--text-muted);
    background: transparent;
}
.btn-logout:hover { color: var(--text-primary); border-color: var(--border-bright); }

/* --- Forms --- */

label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

input[type="text"], input[type="password"], input[type="email"],
input[type="number"], input[type="file"], select, textarea {
    width: 100%;
    padding: 8px 12px;
    font-family: var(--sans);
    font-size: 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    margin-bottom: 16px;
    outline: none;
    transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

select {
    appearance: auto;
}

textarea {
    font-family: var(--sans);
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    margin-bottom: 4px;
}

/* --- Tables --- */

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
    white-space: nowrap;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--bg-secondary);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* --- Cards / Panels --- */

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.panel-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h3, .panel-header h4 {
    margin: 0;
    font-size: 12px;
}

.panel-body {
    padding: 16px;
}

.panel-body table {
    margin: -16px;
    width: calc(100% + 32px);
}

.panel-body table thead th:first-child,
.panel-body table tbody td:first-child {
    padding-left: 16px;
}

.panel-body table thead th:last-child,
.panel-body table tbody td:last-child {
    padding-right: 16px;
}

/* --- Stats Grid --- */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px;
}

.stat-card .stat-value {
    font-family: var(--mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

/* --- Badges --- */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}

.badge-success { background: var(--green-dim); color: var(--green); border-color: #2a5a3a; }
.badge-warning { background: var(--yellow-dim); color: var(--yellow); border-color: #5a4a10; }
.badge-error   { background: var(--red-dim); color: var(--red); border-color: #5a2028; }
.badge-info    { background: var(--accent-dim); color: var(--accent); border-color: #2a4a6a; }
.badge-pending { background: var(--bg-tertiary); color: var(--text-muted); border-color: var(--border); }

.badge-active  { background: var(--green-dim); color: var(--green); border-color: #2a5a3a; }
.badge-prod    { background: var(--green-dim); color: var(--green); border-color: #2a5a3a; }
.badge-staging { background: var(--yellow-dim); color: var(--yellow); border-color: #5a4a10; }
.badge-test    { background: var(--bg-tertiary); color: var(--text-muted); border-color: var(--border); }

/* Inline stage selector (table cell) */
td form { margin: 0; }
select.stage-select {
    width: auto;
    padding: 2px 8px;
    margin: 0;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
    border-radius: 3px;
    cursor: pointer;
}

/* --- Progress Bar --- */

.progress-bar {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
    height: 6px;
}

.progress-bar-fill {
    background: var(--green);
    height: 100%;
    transition: width 0.4s ease;
    min-width: 0;
}

.progress-bar-lg {
    height: 10px;
}

.progress-text {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* --- Flash Messages --- */

.flash {
    padding: 10px 16px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 16px;
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 8px;
}

.flash-success { background: var(--green-dim); color: var(--green); border-color: #2a5a3a; }
.flash-error   { background: var(--red-dim); color: var(--red); border-color: #5a2028; }
.flash-info    { background: var(--accent-dim); color: var(--accent); border-color: #2a4a6a; }

/* --- API Key Display --- */

.api-key-display {
    background: var(--bg-primary);
    border: 1px solid var(--green);
    color: var(--green);
    padding: 12px 16px;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 13px;
    word-break: break-all;
    margin: 8px 0;
    box-shadow: 0 0 12px rgba(63, 185, 80, 0.08);
}

/* --- Grid Layouts --- */

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

/* --- Page Header --- */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 24px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    margin: 0;
}

.page-header .meta {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* --- Section --- */

.section {
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

/* --- Actions --- */

.actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.actions form {
    margin: 0;
}

/* --- Details Grid --- */

.detail-grid {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0;
    font-size: 13px;
}

.detail-grid dt {
    padding: 6px 12px 6px 0;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}

.detail-grid dd {
    padding: 6px 0;
    margin: 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 13px;
}

/* --- Expandable / Collapsible --- */

details {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 16px;
}

details summary {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    user-select: none;
}

details summary:hover {
    color: var(--text-primary);
}

details[open] summary {
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

details .details-body {
    padding: 16px;
}

/* --- Footer --- */

.footer {
    padding: 24px 0;
    margin-top: 48px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer small {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-muted);
}

/* --- Login Page --- */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
}

.login-box {
    width: 380px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 32px;
}

.login-box h1 {
    font-family: var(--mono);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 24px;
}

.login-box .login-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: -20px;
    margin-bottom: 24px;
}

.login-error {
    background: var(--red-dim);
    color: var(--red);
    border: 1px solid #5a2028;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* --- Live Refresh Indicator --- */

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.live-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.live-dot.live-pulse {
    animation: livePulse 0.6s ease-out;
}

@keyframes livePulse {
    0%   { opacity: 1; box-shadow: 0 0 6px var(--green); }
    100% { opacity: 0.6; box-shadow: none; }
}

/* --- Modal --- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 480px;
    max-width: 90vw;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-body {
    padding: 16px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

/* --- TOTP / 2FA --- */

.totp-input {
    font-family: var(--mono);
    font-size: 24px;
    text-align: center;
    letter-spacing: 0.2em;
    padding: 10px 16px;
}

.qr-box {
    background: #ffffff;
    border-radius: 8px;
    padding: 12px;
    display: inline-block;
    margin: 0 auto 16px;
    width: fit-content;
    /* Center in parent */
    display: flex;
    justify-content: center;
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .topbar-nav { display: none; }
}