/* =============================================
   EMMA Hotel Smoke Safety – Clean Dark UI
   ============================================= */

:root {
    --bg: #080d18;
    --card: #0f1623;
    --card-border: rgba(255,255,255,0.08);
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --text: #f1f5f9;
    --muted: #64748b;
    --subtle: rgba(255,255,255,0.04);
    --font: 'Inter', system-ui, sans-serif;
    --font-h: 'Outfit', system-ui, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 32px 16px 60px;
}

.main-wrapper {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── Header ── */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px 22px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.emma-dot {
    width: 12px;
    height: 12px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
    animation: breathe 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.header-left h1 {
    font-family: var(--font-h);
    font-size: 1.2rem;
    font-weight: 700;
}

.header-left p {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 2px;
}

.reset-badge {
    font-size: 0.72rem;
    color: var(--muted);
    background: var(--subtle);
    border: 1px solid var(--card-border);
    padding: 6px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

.reset-badge .sep { margin: 0 6px; }

/* ── Cards ── */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 22px;
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 18px;
    gap: 12px;
}

.card-head h2 {
    font-family: var(--font-h);
    font-size: 1.05rem;
    font-weight: 700;
}

.card-head p {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 4px;
    line-height: 1.5;
}

.btn-refresh {
    background: var(--subtle);
    border: 1px solid var(--card-border);
    color: var(--muted);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.2s;
    flex-shrink: 0;
}

.btn-refresh:hover { color: var(--text); }

/* ── Form ── */
#sensorAlertForm {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 520px) {
    .form-row { grid-template-columns: 1fr; }
    .reset-badge { display: none; }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group select {
    background: rgba(0,0,0,0.35);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 11px 14px;
    color: var(--text);
    font-family: var(--font);
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.form-group select option { background: #1e293b; }

/* ── Buttons ── */
.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 4px;
    width: 100%;
}

.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:active { transform: scale(0.99); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Alert Log Items ── */
.empty-state {
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    padding: 20px 0;
}

#alertsContainer {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-item {
    background: var(--subtle);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.2s;
}

.alert-item:hover { border-color: rgba(255,255,255,0.15); }

.alert-item.is-escalated { border-color: rgba(239,68,68,0.4); }
.alert-item.is-acked { border-color: rgba(16,185,129,0.35); }

.alert-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.alert-room {
    font-weight: 700;
    font-size: 0.97rem;
}

.badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.badge-pending {
    background: rgba(245,158,11,0.12);
    color: var(--warning);
    border: 1px solid rgba(245,158,11,0.4);
}

.badge-sent {
    background: rgba(59,130,246,0.12);
    color: var(--primary);
    border: 1px solid rgba(59,130,246,0.4);
}

.badge-ack {
    background: rgba(16,185,129,0.12);
    color: var(--success);
    border: 1px solid rgba(16,185,129,0.4);
}

.badge-escalated {
    background: rgba(239,68,68,0.12);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.4);
}

.alert-meta {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.55;
}

.alert-meta strong { color: rgba(255,255,255,0.65); }

/* ── Action Buttons Row ── */
.alert-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    padding-top: 4px;
    border-top: 1px solid var(--card-border);
}

.btn-ack {
    background: transparent;
    color: var(--success);
    border: 1px solid rgba(16,185,129,0.45);
    border-radius: 8px;
    padding: 7px 13px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-ack:hover { background: rgba(16,185,129,0.1); }

/* ── Web Call Button — MOST PROMINENT ── */
.btn-webcall {
    display: flex;
    align-items: center;
    gap: 7px;
    background: var(--danger);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    letter-spacing: 0.02em;
}

.btn-webcall:hover { background: #dc2626; }
.btn-webcall:active { transform: scale(0.98); }

.btn-webcall .mic-icon {
    font-size: 0.9rem;
}

.call-note {
    font-size: 0.72rem;
    color: var(--muted);
    margin-left: auto;
    align-self: center;
}

/* ── EMMA Call Modal ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 16px;
}

.modal-backdrop.hidden { display: none; }

.modal-box {
    background: #111827;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    padding: 24px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.9);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ── Call Header ── */
.call-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.pulse-ring {
    position: relative;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--danger);
    animation: pulse-ring 1.5s ease-out infinite;
}

@keyframes pulse-ring {
    0%   { opacity: 1; transform: scale(0.85); }
    100% { opacity: 0; transform: scale(1.25); }
}

.pulse-dot {
    width: 48px;
    height: 48px;
    background: rgba(239,68,68,0.15);
    border: 2px solid var(--danger);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.call-header h3 {
    font-family: var(--font-h);
    font-size: 1rem;
    font-weight: 700;
}

.call-status-text {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 2px;
}

.btn-icon-close {
    margin-left: auto;
    background: var(--subtle);
    border: 1px solid var(--card-border);
    color: var(--muted);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: color 0.2s;
}

.btn-icon-close:hover { color: var(--text); }

/* ── Call Info Box ── */
.call-info-box {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.6;
}

.call-info-box strong { color: rgba(255,255,255,0.7); }

/* ── Live Transcript ── */
.call-transcript {
    background: rgba(59,130,246,0.06);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 10px;
    padding: 14px;
    min-height: 70px;
    font-size: 0.83rem;
    color: #93c5fd;
    line-height: 1.5;
}

.transcript-placeholder { color: var(--muted); }

/* ── End Call Button ── */
.btn-end-call {
    background: var(--danger);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s;
    letter-spacing: 0.02em;
}

.btn-end-call:hover { background: #dc2626; }

/* ── Toast notifications ── */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    border: 1px solid var(--card-border);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 0.85rem;
    z-index: 2000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.toast.success { border-color: rgba(16,185,129,0.5); color: var(--success); }
.toast.error   { border-color: rgba(239,68,68,0.5); color: var(--danger); }