/* ============================================================
   Contec Monitor Dashboard — Stylesheet
   Dark medical UI + retro CRT oscilloscope waveform panels
   ============================================================ */

:root {
    --bg-base:       #0a0e1a;
    --bg-card:       #111827;
    --border:        #2a3c5c;

    --text-primary:  #f1f5f9;
    --text-secondary:#a8b6cc;
    --text-muted:    #768396;

    --accent:        #00d4ff;

    --ok:            #06d6a0;
    --ok-dim:        rgba(6, 214, 160, 0.12);
    --warning:       #ffd93d;
    --warning-dim:   rgba(255, 217, 61, 0.12);
    --critical:      #ff4757;
    --critical-dim:  rgba(255, 71, 87, 0.15);
    --critical-glow: rgba(255, 71, 87, 0.5);

    /* Oscilloscope palette */
    --scope-bg:      #04140a;
    --scope-grid:    #0f3322;
    --scope-trace-ecg:   #39ff6a;
    --scope-trace-resp:  #ffd93d;
    --scope-trace-pleth: #00e5ff;

    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --font-ui:   'Inter', 'Segoe UI', system-ui, sans-serif;

    --radius:    8px;
    --radius-lg: 12px;
}

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

html, body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    min-height: 100vh;
}

/* ── Header ─────────────────────────────────────────────── */
.header {
    background: #0d1423;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--scope-trace-ecg);
}

.header-brand .pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--scope-trace-ecg);
    box-shadow: 0 0 8px var(--scope-trace-ecg);
    animation: pulse-live 2s ease-in-out infinite;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.header-time {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
}

.clinic-select {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    outline: none;
}
.clinic-select:hover { border-color: var(--accent); }

.alert-badge {
    position: relative;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius);
    background: var(--critical-dim);
    border: 1px solid var(--critical);
    color: var(--critical);
    font-weight: 600;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.alert-badge.hidden { display: none; }

/* ── Main layout ─────────────────────────────────────────── */
.main {
    padding: 20px 24px 48px;
    max-width: 1600px;
    margin: 0 auto;
}

.summary-row {
    display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 20px;
    min-width: 140px;
}
.summary-label {
    font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px;
}
.summary-value {
    font-family: var(--font-mono); font-size: 24px; font-weight: 700;
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 14px;
}

/* ── Bed grid ────────────────────────────────────────────── */
.bed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 16px;
}

.bed-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.bed-card.alert-warning {
    border-color: var(--warning);
    box-shadow: 0 0 0 1px rgba(255,217,61,0.2);
}
.bed-card.alert-critical {
    border-color: var(--critical);
    box-shadow: 0 0 12px var(--critical-glow);
    animation: card-blink 1.5s ease-in-out infinite;
}

.bed-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.bed-code {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--scope-trace-ecg);
    letter-spacing: 0.05em;
}

.bed-ward { font-size: 11px; color: var(--text-muted); }

.patient-name {
    font-size: 13px; font-weight: 600; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px;
}

.device-online-tag {
    font-size: 10px;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 4px;
    display: flex; align-items: center; gap: 5px;
}
.device-online-tag.online {
    color: var(--ok); background: var(--ok-dim);
}
.device-online-tag.offline {
    color: var(--text-muted); background: rgba(255,255,255,0.03);
}
.device-online-tag .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: currentColor;
}
.device-online-tag.online .dot { animation: pulse-live 2s ease-in-out infinite; }

/* ── Device status / alarm badges ───────────────────────── */
.alarm-row {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 10px 16px 0;
}
.alarm-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    display: flex; align-items: center; gap: 5px;
    border: 1px solid transparent;
}
.alarm-tag.critical {
    background: var(--critical-dim); color: var(--critical); border-color: var(--critical);
}
.alarm-tag.warning {
    background: var(--warning-dim); color: var(--warning); border-color: var(--warning);
}
.alarm-tag.info {
    background: rgba(255,255,255,0.04); color: var(--text-secondary); border-color: var(--border);
}

/* ── Vitals grid ─────────────────────────────────────────── */
.vitals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 12px 16px;
}

.vital-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 10px;
    position: relative;
    overflow: hidden;
}
.vital-item::before {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--item-color, var(--accent));
}
.vital-item.status-abnormal { border-color: var(--warning); background: var(--warning-dim); }
.vital-item.status-critical  { border-color: var(--critical); background: var(--critical-dim); }
.vital-item.status-no_data  { opacity: 0.7; }

.vital-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--text-secondary); margin-bottom: 3px;
}
.vital-value {
    font-family: var(--font-mono); font-size: 19px; font-weight: 700; line-height: 1;
    color: var(--item-color, var(--text-primary));
}
.vital-value.status-abnormal { color: var(--warning); }
.vital-value.status-critical  { color: var(--critical); }
.vital-value.status-no_data  { color: var(--text-secondary); font-size: 15px; }
.vital-unit { font-size: 9px; color: var(--text-secondary); margin-left: 2px; font-family: var(--font-mono); }

/* ── Oscilloscope waveform panel ────────────────────────── */
.scope-section {
    padding: 4px 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.scope-panel canvas {
    display: block;
    width: 100%;
    height: 56px;
}

.scope-label {
    position: absolute;
    top: 4px; left: 8px;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-shadow: 0 0 6px currentColor;
    z-index: 2;
    opacity: 0.85;
}

.scope-panel.scope-ecg   .scope-label { color: var(--scope-trace-ecg); }
.scope-panel.scope-resp  .scope-label { color: var(--scope-trace-resp); }
.scope-panel.scope-pleth .scope-label { color: var(--scope-trace-pleth); }

/* CRT scanline overlay */
.scope-panel::after {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255,255,255,0.025) 0px,
        rgba(255,255,255,0.025) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    z-index: 1;
}

.empty-bed-msg {
    text-align: center; padding: 24px 0; color: var(--text-muted); font-size: 12px;
}

/* ── Alert panel ─────────────────────────────────────────── */
.alert-panel {
    position: fixed;
    top: 56px; right: 0;
    width: 360px;
    height: calc(100vh - 56px);
    background: #0d1423;
    border-left: 1px solid var(--border);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -8px 0 32px rgba(0,0,0,0.5);
}
.alert-panel.open { transform: translateX(0); }

.alert-panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.alert-panel-title { font-weight: 700; font-size: 14px; color: var(--critical); }
.alert-panel-actions { display: flex; gap: 8px; }

.btn-ack-all, .btn-close-panel {
    font-size: 11px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-ack-all { padding: 4px 10px; }
.btn-close-panel { width: 28px; height: 28px; font-size: 16px; display:flex; align-items:center; justify-content:center; }
.btn-ack-all:hover, .btn-close-panel:hover { background: #1a2236; color: var(--text-primary); }

.alert-list { overflow-y: auto; flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 8px; }

.alert-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    border-left: 3px solid var(--warning);
}
.alert-item.level-critical { border-left-color: var(--critical); }
.alert-item-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px; }
.alert-bed-name { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--scope-trace-ecg); }
.alert-level-tag {
    font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    padding: 2px 6px; border-radius: 3px; background: var(--warning-dim); color: var(--warning);
}
.alert-level-tag.critical { background: var(--critical-dim); color: var(--critical); }
.alert-msg { font-size: 12px; color: var(--text-primary); margin-bottom: 6px; line-height: 1.4; }
.alert-meta { display: flex; justify-content: space-between; align-items: center; }
.alert-time { font-family: var(--font-mono); font-size: 10px; color: var(--text-muted); }
.btn-ack {
    font-size: 10px; padding: 3px 8px; border-radius: 3px;
    border: 1px solid var(--border); background: transparent; color: var(--text-muted); cursor: pointer;
}
.btn-ack:hover { background: var(--ok-dim); border-color: var(--ok); color: var(--ok); }
.alert-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 13px; }

/* ── Toast ───────────────────────────────────────────────── */
.toast-container {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center;
}
.toast {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 12px 20px; font-size: 13px; color: var(--text-primary);
    box-shadow: 0 4px 24px rgba(0,0,0,0.4); animation: toast-in 0.3s ease;
    max-width: 400px; display: flex; align-items: center; gap: 10px;
}
.toast.level-warning { border-left: 3px solid var(--warning); }
.toast.level-critical { border-left: 3px solid var(--critical); }

/* ── Status bar ──────────────────────────────────────────── */
.status-bar {
    position: fixed; bottom: 0; left: 0; right: 0; height: 28px;
    background: #0d1423; border-top: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 24px; gap: 24px;
    font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); z-index: 90;
}
.status-item { display: flex; align-items: center; gap: 6px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; }
.status-dot.ok       { background: var(--ok); }
.status-dot.warn     { background: var(--warning); }
.status-dot.error    { background: var(--critical); }
.status-dot.inactive { background: var(--text-muted); }

/* ── Animations ──────────────────────────────────────────── */
@keyframes pulse-live {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(0.7); }
}
@keyframes card-blink {
    0%, 100% { box-shadow: 0 0 12px var(--critical-glow); }
    50%       { box-shadow: 0 0 24px var(--critical-glow), 0 0 4px var(--critical); }
}
@keyframes toast-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-out { to { opacity: 0; transform: translateY(8px); } }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

@media (max-width: 768px) {
    .bed-grid { grid-template-columns: 1fr; }
    .alert-panel { width: 100%; }
    .vitals-grid { grid-template-columns: repeat(2, 1fr); }
    .main { padding: 12px 12px 48px; }
}