/**
 * Common styles for Cardiac Monitor Simulator
 * Shared across all interfaces
 */

/* CSS Variables for medical monitor theme */
:root {
    /* Background colors */
    --bg-primary: #000000;
    --bg-secondary: #1a1a2e;
    --bg-panel: #16213e;

    /* Medical parameter colors (standard hospital monitor colors) */
    --color-ecg: #00ff00;        /* ECG - Green */
    --color-spo2: #00ffff;       /* SpO2 - Cyan */
    --color-bp: #ff0000;         /* Blood Pressure - Red */
    --color-co2: #ffff00;        /* CO2 - Yellow */
    --color-temp: #ffffff;       /* Temperature - White */
    --color-resp: #ffaa00;       /* Respiratory - Orange */

    /* UI colors */
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-success: #00ff88;
    --color-warning: #ffaa00;
    --color-danger: #ff4444;
    --color-info: #00aaff;

    /* Alarm colors */
    --alarm-critical: #ff0000;
    --alarm-high: #ff8800;
    --alarm-medium: #ffff00;

    /* Borders */
    --border-color: #333333;
    --border-radius: 4px;

    /* Fonts */
    --font-mono: 'Courier New', Courier, monospace;
    --font-display: 'DSEG7 Classic', 'Courier New', monospace;
}

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

/* Base styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--color-text);
    line-height: 1.4;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--color-success);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #00cc6a;
}

.btn-danger {
    background: var(--color-danger);
    color: var(--color-text);
}

.btn-danger:hover {
    background: #cc3333;
}

.btn-secondary {
    background: var(--bg-panel);
    color: var(--color-text);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #1a4b8c;
}

/* Form elements */
input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Monitor value display (7-segment style) */
.value-display {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.value-unit {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.value-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* Parameter colors */
.param-hr { color: var(--color-ecg); }
.param-spo2 { color: var(--color-spo2); }
.param-bp { color: var(--color-bp); }
.param-co2 { color: var(--color-co2); }
.param-temp { color: var(--color-temp); }
.param-resp { color: var(--color-resp); }

/* Alarm states */
.alarm-active {
    animation: alarm-blink 0.5s infinite;
}

@keyframes alarm-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.alarm-critical {
    background: var(--alarm-critical) !important;
}

.alarm-high {
    background: var(--alarm-high) !important;
}

.alarm-medium {
    background: var(--alarm-medium) !important;
    color: var(--bg-primary) !important;
}

/* Panels */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
}

/* Connection status indicator */
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.connection-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-danger);
}

.connection-status.connected::before {
    background: var(--color-success);
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Responsive */
@media (max-width: 768px) {
    .value-display {
        font-size: 1.8rem;
    }
}