/* Algo Smart Home — Mijoz paneli */
:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --success: #00c853;
    --danger: #ff1744;
    --bg: #0a0e17;
    --card: #141b2d;
    --text: #e8eaf6;
    --muted: #8892a4;
    --border: #1e2a45;
    --glow: rgba(0, 102, 255, 0.25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    background-image: radial-gradient(ellipse at 20% 50%, rgba(0,102,255,0.08) 0%, transparent 50%);
    min-height: 100vh;
    color: var(--text);
}
a { color: var(--primary); text-decoration: none; }
.container { max-width: 480px; margin: 0 auto; padding: 24px 16px; }
.container-wide { max-width: 900px; margin: 0 auto; padding: 24px 16px; }
.logo { text-align: center; margin-bottom: 32px; }
.logo h1 { font-size: 28px; font-weight: 700; }
.logo h1 span { color: var(--primary); }
.logo p { color: var(--muted); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-top: 4px; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.form-group input {
    width: 100%; padding: 14px 16px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 12px; color: var(--text); font-size: 16px;
}
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--glow); }
.btn {
    display: block; width: 100%; padding: 16px;
    border: none; border-radius: 12px; font-size: 16px; font-weight: 700;
    cursor: pointer; transition: all 0.2s; text-align: center;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-success { background: linear-gradient(135deg, var(--success), #00a844); color: #fff; }
.btn-danger { background: linear-gradient(135deg, var(--danger), #d50032); color: #fff; }
.btn-sm { padding: 10px 16px; font-size: 14px; width: auto; display: inline-block; }
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: rgba(255,23,68,0.15); color: #ff6b8a; border: 1px solid rgba(255,23,68,0.3); }
.alert-success { background: rgba(0,200,83,0.15); color: #69f0ae; border: 1px solid rgba(0,200,83,0.3); }
.header-bar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 0; margin-bottom: 24px;
}
.header-bar h2 { font-size: 22px; }
.header-bar .user-info { color: var(--muted); font-size: 14px; }
.device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.device-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; padding: 24px; transition: border-color 0.2s;
}
.device-card.online { border-color: rgba(0,200,83,0.4); }
.device-card.offline { border-color: rgba(255,23,68,0.2); opacity: 0.85; }
.device-card h3 { font-size: 18px; margin-bottom: 4px; }
.device-card .code { color: var(--muted); font-size: 12px; font-family: monospace; margin-bottom: 12px; }
.status-badge {
    display: inline-block; padding: 4px 12px; border-radius: 20px;
    font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.status-on { background: rgba(0,200,83,0.15); color: var(--success); }
.status-off { background: rgba(255,255,255,0.05); color: var(--muted); }
.status-unknown { background: rgba(255,171,0,0.15); color: #ffab00; }
.device-actions { display: flex; gap: 8px; }
.empty-state { text-align: center; padding: 48px 24px; color: var(--muted); }
.empty-state h3 { margin-bottom: 8px; color: var(--text); }
.modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.7); z-index: 100;
    align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 32px; width: 90%; max-width: 420px; }
.modal h3 { margin-bottom: 20px; }
.modal-actions { display: flex; gap: 12px; margin-top: 20px; }
.modal-actions .btn { flex: 1; }
.footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 40px; }
.footer strong { color: var(--primary); }