/* FreezeOS User Portal — Tron Theme */

:root {
    --bg: #0a0e17;
    --bg-card: #111827;
    --bg-input: #0d1520;
    --border: #1e293b;
    --border-glow: #00d4ff;
    --text: #c0c8d8;
    --text-dim: #607088;
    --text-bright: #e8f0f5;
    --cyan: #00d4ff;
    --cyan-dim: #007a99;
    --green: #00ff88;
    --yellow: #ffcc00;
    --red: #ff4455;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --mono: 'Consolas', 'Monaco', 'Courier New', monospace;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Top Bar */
.topbar {
    background: linear-gradient(135deg, #0d1520, #0a1628);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 30px;
}

.topbar-logo {
    font-size: 18px;
    color: var(--cyan) !important;
    font-weight: 300;
    letter-spacing: 1px;
    text-decoration: none !important;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}
.topbar-logo span { font-weight: 700; }

.topbar-nav {
    display: flex;
    gap: 0;
    flex: 1;
}

.topbar-nav a {
    color: var(--text-dim);
    padding: 17px 16px;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    text-decoration: none !important;
    transition: all 0.15s;
}

.topbar-nav a:hover { color: var(--text); }
.topbar-nav a.active {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: auto;
}

.topbar-user { color: var(--text-dim); font-size: 13px; }
.topbar-logout { color: var(--red) !important; font-size: 13px; }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 24px 60px;
}

/* Login */
.page-center {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    width: 400px;
    padding: 40px !important;
    text-align: center;
}

.logo {
    font-size: 32px;
    font-weight: 300;
    color: var(--cyan);
    letter-spacing: 2px;
    margin-bottom: 4px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}
.logo span { font-weight: 700; }

.subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 28px;
}

/* Page Title */
.page-title {
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.page-title h1 {
    font-size: 22px;
    font-weight: 500;
    color: var(--text-bright);
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-bright);
}

.card-body {
    padding: 20px;
}

/* Device Grid */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

.device-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.15s;
}

.device-card:hover {
    border-color: var(--cyan-dim);
}

.device-card.revoked {
    opacity: 0.6;
}
.device-card.revoked:hover { opacity: 0.8; }

.device-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.device-icon {
    font-size: 24px;
    color: var(--cyan);
    width: 36px;
    text-align: center;
    flex-shrink: 0;
}

.device-card.revoked .device-icon { color: var(--text-dim); }

.device-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-bright);
    font-family: var(--mono);
    word-break: break-all;
}

.device-hw {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
}

.device-status {
    margin-left: auto;
    flex-shrink: 0;
}

.device-card-body {
    padding: 14px 20px;
}

.device-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 13px;
}

.meta-label {
    color: var(--text-dim);
    margin-right: 6px;
}

.device-card-actions {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.2);
}

/* Info Grid */
.info-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-row {
    display: flex;
    gap: 16px;
    font-size: 13px;
}

.info-label {
    color: var(--text-dim);
    width: 140px;
    flex-shrink: 0;
    font-weight: 500;
}

/* Forms */
.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    margin-bottom: 5px;
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.field input, .field select, .field textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-bright);
    font-size: 14px;
    font-family: var(--font);
    transition: border-color 0.15s;
}

.field input:focus, .field select:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none !important;
    text-align: center;
}

.btn:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-primary {
    background: rgba(0, 212, 255, 0.12);
    border-color: var(--cyan);
    color: var(--cyan);
}

.btn-primary:hover {
    background: rgba(0, 212, 255, 0.22);
    color: var(--text-bright);
}

.btn-danger {
    border-color: var(--red);
    color: var(--red);
}

.btn-danger:hover {
    background: rgba(255, 68, 85, 0.12);
}

.btn-outline {
    border-color: var(--text-dim);
    color: var(--text-dim);
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green);
}

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; display: block; }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-green { background: rgba(0, 255, 136, 0.12); color: var(--green); }
.badge-yellow { background: rgba(255, 204, 0, 0.12); color: var(--yellow); }
.badge-red { background: rgba(255, 68, 85, 0.12); color: var(--red); }
.badge-blue { background: rgba(0, 212, 255, 0.12); color: var(--cyan); }

/* Table */
table { width: 100%; border-collapse: collapse; }
th {
    text-align: left;
    padding: 10px 20px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}
td {
    padding: 10px 20px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
tr:hover td { background: rgba(0, 212, 255, 0.02); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    border: 1px solid;
}

.alert-success { background: rgba(0, 255, 136, 0.08); border-color: rgba(0, 255, 136, 0.2); color: var(--green); }
.alert-error { background: rgba(255, 68, 85, 0.08); border-color: rgba(255, 68, 85, 0.2); color: var(--red); }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}

.empty-icon { font-size: 48px; margin-bottom: 16px; color: var(--border); }
.empty-state h2 { color: var(--text); margin-bottom: 8px; font-weight: 500; }

/* Utility */
.mono { font-family: var(--mono); font-size: 13px; }
.text-dim { color: var(--text-dim); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }

@media (max-width: 600px) {
    .device-grid { grid-template-columns: 1fr; }
    .device-meta { grid-template-columns: 1fr; }
    .topbar-inner { padding: 0 12px; gap: 10px; }
    .container { padding: 16px 12px; }
}