:root {
    --bg: #14141c;
    --bg-panel: #1c1c28;
    --bg-elevated: #242432;
    --border: rgba(255, 255, 255, 0.08);
    --text: #f0f0f5;
    --text-muted: #8b8b9e;
    --accent: #3d7ae6;
    --accent-hover: #4d8af6;
    --success: #32b864;
    --warning: #e6a832;
    --danger: #e05555;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --font: 'Inter', system-ui, sans-serif;
    --mono: 'JetBrains Mono', 'Consolas', monospace;
}

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

.hidden { display: none !important; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.bg-glow {
    position: fixed;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.18;
    pointer-events: none;
    z-index: 0;
}
.bg-glow--left { top: -120px; left: -80px; background: var(--accent); }
.bg-glow--right { bottom: -160px; right: -60px; background: #6b4de6; }

.app {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #5b6de6);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 16px rgba(61, 122, 230, 0.35);
}

.brand h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand h1 .accent { color: var(--accent); }

.brand p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.api-status {
    font-size: 0.72rem;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    background: var(--bg-elevated);
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.api-status--ok {
    color: var(--success);
    border-color: rgba(50, 184, 100, 0.3);
}

.api-status--error {
    color: var(--danger);
    border-color: rgba(224, 85, 85, 0.35);
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
    box-shadow: var(--shadow);
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.35rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.stat-card--available .stat-value { color: var(--success); }
.stat-card--redeemed .stat-value { color: var(--accent); }
.stat-card--online .stat-value { color: #2ecc71; }
.stat-card--online .stat-label { color: #2ecc71; }

/* Panels */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.25rem;
}

.panel-head { margin-bottom: 1.1rem; }

.panel-head h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.panel-head p {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.panel-head code {
    font-family: var(--mono);
    font-size: 0.8rem;
    background: var(--bg-elevated);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    color: var(--accent);
}

.panel-head--row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s, opacity 0.15s;
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn--primary {
    background: var(--accent);
    color: #fff;
    padding: 0.7rem 1.4rem;
}

.btn--primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn--ghost {
    background: var(--bg-elevated);
    color: var(--text-muted);
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border);
}

.btn--ghost:hover { color: var(--text); background: #2e2e3e; }

.btn--icon {
    background: var(--bg-elevated);
    color: var(--text-muted);
    padding: 0.45rem;
    border: 1px solid var(--border);
}

.btn--icon:hover { color: var(--accent); border-color: rgba(61, 122, 230, 0.4); }

/* Generate */
.generate-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.generated-box {
    margin-top: 1.1rem;
    padding: 1rem 1.1rem;
    background: var(--bg-elevated);
    border: 1px solid rgba(61, 122, 230, 0.25);
    border-radius: var(--radius-sm);
    animation: fadeIn 0.3s ease;
}

.generated-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--success);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.generated-token-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.token {
    font-family: var(--mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.04em;
    word-break: break-all;
}

/* Search */
.search-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.75rem;
    min-width: 220px;
}

.search-wrap svg { color: var(--text-muted); flex-shrink: 0; }

.search-wrap input {
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.84rem;
    width: 100%;
}

.search-wrap input::placeholder { color: var(--text-muted); }

/* License cards */
.license-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.license-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.15s;
}

.license-card:hover { border-color: rgba(255, 255, 255, 0.14); }

.license-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    cursor: pointer;
    user-select: none;
}

.license-card__left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
}

.license-card__key {
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.badge--available {
    background: rgba(50, 184, 100, 0.15);
    color: var(--success);
}

.badge--redeemed {
    background: rgba(61, 122, 230, 0.15);
    color: var(--accent);
}

.license-card__meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.license-card__chevron {
    color: var(--text-muted);
    transition: transform 0.2s;
    flex-shrink: 0;
}

.license-card.is-open .license-card__chevron { transform: rotate(180deg); }

.license-card__body {
    display: none;
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--border);
    animation: fadeIn 0.2s ease;
}

.license-card.is-open .license-card__body { display: block; }

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
    margin-top: 0.85rem;
}

.detail-item {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.8rem;
}

.detail-item--full { grid-column: 1 / -1; }

.detail-label {
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.detail-value {
    font-size: 0.86rem;
    word-break: break-all;
}

.detail-value--mono {
    font-family: var(--mono);
    font-size: 0.8rem;
}

.detail-value--empty {
    color: var(--text-muted);
    font-style: italic;
}

.device-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 0.85rem;
    margin-bottom: 0.5rem;
    padding-top: 0.65rem;
    border-top: 1px solid var(--border);
}

/* Loading & empty */
.loading, .empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.spinner {
    width: 22px;
    height: 22px;
    border: 2.5px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    font-size: 0.84rem;
    animation: slideIn 0.3s ease;
    max-width: 340px;
}

.toast--success { border-left-color: var(--success); }
.toast--error { border-left-color: var(--danger); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }
@keyframes pulse-green { 0%, 100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.4); } 50% { box-shadow: 0 0 0 6px rgba(46, 204, 113, 0); } }

/* ---- Login Screen ---- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 2rem 2.25rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.3s ease;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.75rem;
}

.login-brand h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.login-brand h1 .accent { color: var(--accent); }
.login-brand p { font-size: 0.82rem; color: var(--text-muted); margin-top: 1px; }

.field {
    margin-bottom: 1rem;
}

.field label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
}

.field input {
    width: 100%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.85rem;
    color: var(--text);
    font-family: var(--mono);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.15s;
}

.field input:focus {
    border-color: var(--accent);
}

.field input::placeholder { color: var(--text-muted); }

.login-error {
    font-size: 0.82rem;
    color: var(--danger);
    background: rgba(224, 85, 85, 0.1);
    border: 1px solid rgba(224, 85, 85, 0.25);
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.8rem;
    margin-bottom: 1rem;
}

.btn--full { width: 100%; justify-content: center; padding: 0.75rem; }

/* ---- Logout button ---- */
.btn--logout { color: var(--danger); }
.btn--logout:hover { color: var(--danger); border-color: rgba(224, 85, 85, 0.4); }

/* Online / Offline badges */
.badge--online {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
    animation: pulse-green 2s ease-in-out infinite;
}

.badge--offline {
    background: rgba(139, 139, 158, 0.12);
    color: var(--text-muted);
}

/* Card highlight when online */
.license-card--online {
    border-color: rgba(46, 204, 113, 0.25);
}

.license-card--online:hover {
    border-color: rgba(46, 204, 113, 0.45);
}

/* Online value text color */
.detail-value--online {
    color: #2ecc71;
    font-weight: 600;
}

/* Action row (reset button area) */
.action-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.btn--danger {
    background: rgba(224, 85, 85, 0.12);
    color: var(--danger);
    padding: 0.5rem 1rem;
    border: 1px solid rgba(224, 85, 85, 0.3);
    font-size: 0.82rem;
}

.btn--danger:hover:not(:disabled) {
    background: rgba(224, 85, 85, 0.22);
    border-color: rgba(224, 85, 85, 0.55);
}

@media (max-width: 640px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .panel-head--row { flex-direction: column; }
    .search-wrap { width: 100%; }
    .license-card__header { flex-wrap: wrap; }
}