* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #111820;
    --bg-panel: #0d1419;
    --green: #00ff88;
    --green-dark: #00cc6a;
    --red: #ff3b3b;
    --yellow: #ffcc00;
    --blue: #00aaff;
    --cyan: #00e5ff;
    --text-primary: #e0f0ff;
    --text-secondary: #7a9bb5;
    --border: #1a2a3a;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    user-select: none;
}

.monitor-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    background:
        radial-gradient(ellipse at top, #0d1a24 0%, #0a0e14 70%),
        var(--bg-primary);
}

/* HEADER */
.monitor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: linear-gradient(180deg, #0f1a24 0%, #0a1218 100%);
    border-bottom: 2px solid var(--border);
    box-shadow: 0 2px 20px rgba(0, 255, 136, 0.05);
    min-height: 56px;
    flex-wrap: wrap;
    gap: 8px;
}

.header-left, .header-center, .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 22px;
    color: var(--red);
    animation: heartbeat 1.2s infinite;
    filter: drop-shadow(0 0 8px rgba(255, 59, 59, 0.8));
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.2); }
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo-text b {
    color: var(--green);
}

.patient-info {
    display: flex;
    gap: 6px;
    font-size: 12px;
    letter-spacing: 1px;
}

.info-label {
    color: var(--text-secondary);
}

.info-value {
    color: var(--cyan);
    font-weight: 600;
}

.clock {
    font-family: 'Orbitron', sans-serif;
    font-size: 16px;
    color: var(--green);
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(255, 59, 59, 0.1);
    border: 1px solid rgba(255, 59, 59, 0.3);
    transition: all 0.3s;
}

.connection-status.connected {
    background: rgba(0, 255, 136, 0.1);
    border-color: rgba(0, 255, 136, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
    animation: blink 1s infinite;
}

.connection-status.connected .status-dot {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: none;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* MAIN */
.monitor-main {
    flex: 1;
    display: flex;
    padding: 8px;
    gap: 8px;
    overflow: hidden;
    min-height: 0;
}

/* ECG Section */
.ecg-section {
    flex: 1;
    position: relative;
    background: #050a0d;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 0 60px rgba(0, 255, 136, 0.03);
}

.section-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    z-index: 3;
    background: linear-gradient(180deg, rgba(5, 10, 13, 0.95) 0%, transparent 100%);
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    color: var(--green);
    letter-spacing: 3px;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.section-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    color: var(--green);
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

#ecgCanvas {
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
    z-index: 2;
}

.ecg-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.06) 1px, transparent 1px),
        linear-gradient(rgba(0, 255, 136, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.12) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
}

/* Vitals Panel */
.vitals-panel {
    width: 200px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.vital-card {
    background: linear-gradient(135deg, #0d1419 0%, #0a0f14 100%);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    flex: 1;
    min-height: 60px;
    transition: all 0.3s;
}

.vital-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--green);
}

.vital-card.spo2-card::before { background: var(--cyan); }
.vital-card.temp-card::before { background: var(--yellow); }
.vital-card.pressure-card::before { background: var(--red); }
.vital-card.resp-card::before { background: var(--blue); }

.vital-icon {
    font-size: 20px;
    opacity: 0.8;
}

.vital-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vital-label {
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 2px;
    font-weight: 600;
}

.vital-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--green);
    line-height: 1;
    text-shadow: 0 0 12px rgba(0, 255, 136, 0.4);
}

.spo2-card .vital-value { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 229, 255, 0.4); }
.temp-card .vital-value { color: var(--yellow); text-shadow: 0 0 12px rgba(255, 204, 0, 0.4); }
.pressure-card .vital-value { color: var(--red); text-shadow: 0 0 12px rgba(255, 59, 59, 0.4); font-size: 20px; }
.resp-card .vital-value { color: var(--blue); text-shadow: 0 0 12px rgba(0, 170, 255, 0.4); }

.vital-unit {
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* CONTROLS */
.monitor-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: linear-gradient(0deg, #0f1a24 0%, #0a1218 100%);
    border-top: 2px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
    min-height: 64px;
}

.controls-left, .controls-center, .controls-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: linear-gradient(180deg, #16222e 0%, #0d161e 100%);
    color: var(--text-primary);
    font-family: 'Rajdhani', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.ctrl-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}

.ctrl-btn:active:not(:disabled) {
    transform: translateY(0);
}

.ctrl-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.ctrl-btn.start {
    border-color: rgba(0, 255, 136, 0.4);
    color: var(--green);
}
.ctrl-btn.start:hover:not(:disabled) {
    background: rgba(0, 255, 136, 0.15);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.ctrl-btn.pause {
    border-color: rgba(255, 204, 0, 0.4);
    color: var(--yellow);
}
.ctrl-btn.pause:hover:not(:disabled) {
    background: rgba(255, 204, 0, 0.15);
    box-shadow: 0 0 20px rgba(255, 204, 0, 0.3);
}

.ctrl-btn.stop {
    border-color: rgba(255, 59, 59, 0.4);
    color: var(--red);
}
.ctrl-btn.stop:hover:not(:disabled) {
    background: rgba(255, 59, 59, 0.15);
    box-shadow: 0 0 20px rgba(255, 59, 59, 0.3);
}

.ctrl-btn.small {
    padding: 8px 12px;
    font-size: 11px;
}

.ctrl-btn.small .btn-text {
    display: none;
}

.btn-icon {
    font-size: 14px;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.volume-control input[type="range"] {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--green);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}

.alarm-setting {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-secondary);
}

.alarm-setting input {
    width: 50px;
    padding: 4px 6px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    text-align: center;
}

.alarm-btn {
    border-color: rgba(255, 204, 0, 0.4);
    color: var(--yellow);
}

.alarm-btn.muted {
    opacity: 0.4;
}

/* ============================================
   SOUND SELECTOR (corrigido)
   ============================================ */
.sound-selector {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sound-selector label {
    font-size: 14px;
    cursor: pointer;
}

.sound-selector select {
    background-color: #16222e;
    color: #e0f0ff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 5px 24px 5px 8px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    outline: none;
    max-width: 170px;
    transition: border-color 0.2s, box-shadow 0.2s;

    /* Remove aparência nativa para poder estilizar */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    /* Seta customizada via SVG inline */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%2300ff88' d='M6 9L1 4h10z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

.sound-selector select:hover {
    border-color: var(--green);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.sound-selector select:focus {
    border-color: var(--green);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
}

/* Dropdown options — cores forçadas para Chrome/Edge/Safari */
.sound-selector select option {
    background-color: #16222e !important;
    color: #e0f0ff !important;
    padding: 6px;
    font-size: 12px;
}

.sound-selector select option:checked {
    background-color: #00ff88 !important;
    color: #0a0e14 !important;
}

/* Firefox específico (usa cor do sistema de outra forma) */
@-moz-document url-prefix() {
    .sound-selector select {
        background-color: #16222e;
        color: #e0f0ff;
    }
    .sound-selector select option {
        background-color: #16222e !important;
        color: #e0f0ff !important;
    }
    .sound-selector select option:checked {
        background-color: #00ff88 !important;
        color: #0a0e14 !important;
    }
}

/* ============================================
   SIM CONTROLS (botões de BPM)
   ============================================ */
.sim-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 6px;
    flex-wrap: wrap;
}

.sim-label {
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    font-weight: 600;
    margin-right: 4px;
}

.sim-btn {
    min-width: 36px;
    padding: 5px 6px;
    background: linear-gradient(180deg, #16222e 0%, #0d161e 100%);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}

.sim-btn:hover {
    border-color: var(--green);
    color: var(--green);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.sim-btn.active {
    background: var(--green);
    color: #0a0e14;
    border-color: var(--green);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.6);
}

.sim-btn.danger {
    border-color: rgba(255, 59, 59, 0.4);
    color: #ff7777;
}

.sim-btn.danger:hover {
    border-color: var(--red);
    color: var(--red);
    box-shadow: 0 0 8px rgba(255, 59, 59, 0.4);
}

.sim-btn.danger.active {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
    box-shadow: 0 0 12px rgba(255, 59, 59, 0.7);
}

/* Alarm Overlay */
.alarm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 0, 0, 0.15);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: alarmFlash 0.8s infinite;
}

.alarm-overlay.active {
    display: flex;
}

@keyframes alarmFlash {
    0%, 100% { background: rgba(255, 0, 0, 0.1); }
    50% { background: rgba(255, 0, 0, 0.25); }
}

.alarm-box {
    background: linear-gradient(135deg, #1a0505 0%, #2a0808 100%);
    border: 3px solid var(--red);
    border-radius: 12px;
    padding: 32px 48px;
    text-align: center;
    box-shadow: 0 0 60px rgba(255, 0, 0, 0.8);
    animation: alarmPulse 0.5s infinite;
    max-width: 90vw;
}

@keyframes alarmPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.alarm-icon {
    font-size: 48px;
    color: var(--red);
    margin-bottom: 12px;
}

.alarm-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 900;
    color: var(--red);
    letter-spacing: 4px;
    margin-bottom: 8px;
    text-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
}

.alarm-message {
    font-size: 14px;
    color: #ffaaaa;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.alarm-dismiss {
    padding: 12px 32px;
    background: var(--red);
    color: white;
    border: none;
    border-radius: 6px;
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.2s;
}

.alarm-dismiss:hover {
    background: #ff5555;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
}

/* RESPONSIVE - TABLET */
@media (max-width: 900px) {
    .monitor-main {
        flex-direction: column;
    }

    .vitals-panel {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        gap: 6px;
        height: 90px;
        flex: none;
    }

    .vital-card {
        min-width: 120px;
        flex: none;
        padding: 6px 10px;
    }

    .vital-value {
        font-size: 18px;
    }

    .vital-icon {
        font-size: 16px;
    }

    .sound-selector select {
        max-width: 120px;
        font-size: 10px;
        padding: 4px 20px 4px 6px;
    }

    .sim-controls {
        width: 100%;
        justify-content: center;
    }

    .sim-btn {
        min-width: 32px;
        font-size: 9px;
        padding: 4px 5px;
    }
}

/* RESPONSIVE - CELULAR */
@media (max-width: 700px) {
    .monitor-header {
        padding: 6px 10px;
    }

    .logo-text {
        font-size: 11px;
    }

    .header-center {
        display: none;
    }

    .clock {
        font-size: 13px;
    }

    .connection-status .status-text {
        display: none;
    }

    .monitor-controls {
        padding: 6px 10px;
        gap: 6px;
        justify-content: center;
    }

    .ctrl-btn {
        padding: 8px 10px;
        font-size: 10px;
    }

    .ctrl-btn .btn-text {
        display: none;
    }

    .controls-center .volume-control {
        display: none;
    }

    .alarm-setting {
        display: none;
    }

    .controls-left, .controls-center, .controls-right {
        gap: 6px;
        justify-content: center;
    }

    .section-title {
        font-size: 11px;
        letter-spacing: 2px;
    }

    .section-value {
        font-size: 12px;
    }

    /* Em mobile, mantém os selects visíveis mas compactos */
    .sound-selector select {
        max-width: 100px;
        font-size: 10px;
        padding: 4px 18px 4px 6px;
    }

    .sim-controls {
        padding: 4px 6px;
    }

    .sim-label {
        font-size: 9px;
    }

    .sim-btn {
        min-width: 28px;
        font-size: 9px;
        padding: 4px 4px;
    }

    .alarm-box {
        padding: 24px 28px;
    }

    .alarm-title {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .alarm-icon {
        font-size: 36px;
    }

    .alarm-message {
        font-size: 12px;
    }

    .alarm-dismiss {
        padding: 10px 24px;
        font-size: 12px;
    }
}

@media (max-width: 400px) {
    .vitals-panel {
        height: 80px;
    }

    .vital-card {
        min-width: 105px;
    }

    .vital-label {
        font-size: 9px;
    }

    .sound-selector label {
        display: none;
    }

    .sound-selector select {
        max-width: 85px;
        font-size: 9px;
    }
}

/* Fullscreen */
.monitor-container:fullscreen {
    background: #000;
}

.monitor-container:fullscreen .ecg-section {
    box-shadow: inset 0 0 120px rgba(0, 255, 136, 0.05);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-panel);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--green-dark);
}

.alarm-tuner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    background: rgba(255, 59, 59, 0.08);
    border: 1px solid rgba(255, 59, 59, 0.3);
    border-radius: 6px;
}

.tuner-label {
    font-size: 14px;
}

.tuner-group {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 9px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    font-weight: 600;
}

.tuner-group label {
    min-width: 24px;
}

.tuner-group input[type="range"] {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.tuner-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--red);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(255, 59, 59, 0.8);
}

.tuner-value {
    min-width: 42px;
    font-family: 'Orbitron', sans-serif;
    font-size: 9px;
    color: var(--red);
    text-align: right;
}

.alarm-tuner select {
    background-color: #16222e;
    color: #e0f0ff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 20px 4px 6px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path fill='%23ff3b3b' d='M6 9L1 4h10z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 4px center;
}

.alarm-tuner select option {
    background: #16222e !important;
    color: #e0f0ff !important;
}

.alarm-btn.preview-active {
    background: var(--red);
    color: #fff;
    box-shadow: 0 0 12px rgba(255, 59, 59, 0.8);
    animation: alarmPulse 0.5s infinite;
}

@media (max-width: 900px) {
    .alarm-tuner {
        flex-wrap: wrap;
        justify-content: center;
    }
    .tuner-group input[type="range"] {
        width: 50px;
    }
}

@media (max-width: 700px) {
    .alarm-tuner .tuner-group label {
        display: none;
    }
    .tuner-group input[type="range"] {
        width: 40px;
    }
    .tuner-value {
        display: none;
    }
}

/* Botão de arritmia */
.ctrl-btn.arrhythmia {
    border-color: rgba(255, 0, 255, 0.4);
    color: #ff00ff;
}

.ctrl-btn.arrhythmia:hover:not(:disabled) {
    background: rgba(255, 0, 255, 0.15);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.4);
}

.ctrl-btn.arrhythmia.active {
    background: rgba(255, 0, 255, 0.25);
    color: #fff;
    border-color: #ff00ff;
    box-shadow: 0 0 25px rgba(255, 0, 255, 0.7);
    animation: arrhythmiaPulse 1s infinite;
}

@keyframes arrhythmiaPulse {
    0%, 100% { box-shadow: 0 0 25px rgba(255, 0, 255, 0.7); }
    50% { box-shadow: 0 0 40px rgba(255, 0, 255, 1); }
}

/* Badge da arritmia ativa */
.arrhythmia-badge {
    position: absolute;
    top: 40px;
    right: 12px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid currentColor;
    border-radius: 6px;
    font-family: 'Orbitron', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    z-index: 5;
    animation: arrhythmiaBlink 0.8s infinite;
}

@keyframes arrhythmiaBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@media (max-width: 700px) {
    .arrhythmia-badge {
        font-size: 10px;
        padding: 4px 10px;
        top: 34px;
        right: 8px;
    }
}