/* SkewT-logP Sounding Viewer - Observatory Control Room Theme */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ============================================
   Dark Theme (Default)
   ============================================ */
:root {
    /* Core palette - deep atmospheric blues */
    --bg-primary: #0a0e14;
    --bg-secondary: #0d1117;
    --bg-elevated: #151b23;
    --bg-surface: #1c2129;

    /* Borders and lines */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.15);

    /* Text hierarchy */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --text-accent: #58a6ff;

    /* Status colors */
    --status-live: #3fb950;
    --status-warning: #d29922;
    --status-error: #f85149;
    --status-info: #58a6ff;

    /* SkewT thermodynamic colors - scientifically meaningful */
    --temp-color: #ff6b6b;
    --temp-glow: rgba(255, 107, 107, 0.3);
    --dewpoint-color: #4169e1;
    --dewpoint-glow: rgba(65, 105, 225, 0.3);
    --isotherm-color: rgba(255, 255, 255, 0.12);
    --isobar-color: rgba(255, 255, 255, 0.08);
    --dry-adiabat-color: #fcc419;
    --moist-adiabat-color: #20c997;
    --mixing-ratio-color: #74c0fc;
    --zero-isotherm: #74c0fc;

    /* HRRR model profile colors */
    --hrrr-temp-color: #ff922b;
    --hrrr-temp-glow: rgba(255, 146, 43, 0.3);
    --hrrr-dewpoint-color: #748ffc;
    --hrrr-dewpoint-glow: rgba(116, 143, 252, 0.3);

    /* Wind barb colors */
    --wind-color: #c9d1d9;

    /* Interactive elements */
    --accent-primary: #58a6ff;
    --accent-hover: #79b8ff;
    --accent-active: #1f6feb;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Typography */
    --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Effects */
    --glow-subtle: 0 0 20px rgba(88, 166, 255, 0.1);
    --glow-strong: 0 0 30px rgba(88, 166, 255, 0.2);

    /* Grid texture */
    --grid-color: rgba(255, 255, 255, 0.02);

    /* Theme toggle icon */
    --theme-icon: '☀';
}

/* ============================================
   Light Theme
   ============================================ */
[data-theme="light"] {
    /* Core palette - clean scientific white */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-elevated: #ffffff;
    --bg-surface: #f1f3f5;

    /* Borders and lines */
    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-default: rgba(0, 0, 0, 0.12);
    --border-strong: rgba(0, 0, 0, 0.18);

    /* Text hierarchy */
    --text-primary: #1a1a2e;
    --text-secondary: #495057;
    --text-muted: #868e96;
    --text-accent: #1971c2;

    /* Status colors */
    --status-live: #2f9e44;
    --status-warning: #e67700;
    --status-error: #e03131;
    --status-info: #1971c2;

    /* SkewT thermodynamic colors - adjusted for light bg */
    --temp-color: #e03131;
    --temp-glow: rgba(224, 49, 49, 0.2);
    --dewpoint-color: #3b5bdb;
    --dewpoint-glow: rgba(59, 91, 219, 0.2);
    --isotherm-color: rgba(0, 0, 0, 0.1);
    --isobar-color: rgba(0, 0, 0, 0.07);
    --dry-adiabat-color: #e67700;
    --moist-adiabat-color: #0ca678;
    --mixing-ratio-color: #1971c2;
    --zero-isotherm: #1971c2;

    /* HRRR model profile colors */
    --hrrr-temp-color: #e67700;
    --hrrr-temp-glow: rgba(230, 119, 0, 0.2);
    --hrrr-dewpoint-color: #4c6ef5;
    --hrrr-dewpoint-glow: rgba(76, 110, 245, 0.2);

    /* Wind barb colors */
    --wind-color: #343a40;

    /* Interactive elements */
    --accent-primary: #1971c2;
    --accent-hover: #1864ab;
    --accent-active: #145591;

    /* Effects */
    --glow-subtle: 0 0 20px rgba(25, 113, 194, 0.08);
    --glow-strong: 0 0 30px rgba(25, 113, 194, 0.15);

    /* Grid texture */
    --grid-color: rgba(0, 0, 0, 0.03);

    /* Theme toggle icon */
    --theme-icon: '☾';
}

/* Reset and base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;

    /* Subtle grid texture */
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Main container */
.container {
    max-width: 1700px;
    margin: 0 auto;
    padding: var(--space-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header - Control room style */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    margin-bottom: var(--space-md);
    position: relative;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--accent-primary) 20%,
        var(--accent-primary) 80%,
        transparent
    );
    opacity: 0.6;
}

.header h1 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header h1::before {
    content: '◈';
    color: var(--accent-primary);
    font-size: 0.9em;
}

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.theme-toggle::before {
    content: var(--theme-icon);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Connection status - live indicator */
.connection-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--status-error);
    box-shadow: 0 0 8px var(--status-error);
}

.status-dot.connected {
    background: var(--status-live);
    box-shadow: 0 0 8px var(--status-live);
    animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Controls bar */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    margin-bottom: var(--space-md);
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.control-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.control-group label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

/* Inputs and selects */
.control-group input,
.control-group select {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.control-group select {
    min-width: 220px;
    cursor: pointer;
}

.control-group input::placeholder {
    color: var(--text-muted);
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.15);
}

/* Buttons */
.control-group button,
.control-group .link-btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Link styled as a button */
.control-group .link-btn {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    white-space: nowrap;
}

.control-group button:hover:not(:disabled),
.control-group .link-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: var(--glow-subtle);
}

.control-group button:active:not(:disabled),
.control-group .link-btn:active {
    background: var(--accent-active);
    border-color: var(--accent-primary);
}

.control-group button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* Navigation buttons - instrument style */
.nav-buttons {
    gap: 2px;
    background: var(--bg-primary);
    padding: 3px;
    border-radius: 2px;
}

.nav-buttons button {
    padding: var(--space-sm) 0.75rem;
    font-size: 1rem;
    min-width: 2.5rem;
    border-radius: 0;
}

.nav-buttons button:first-child {
    border-radius: 2px 0 0 2px;
}

.nav-buttons button:last-child {
    border-radius: 0 2px 2px 0;
}

/* HRRR toggle button */
.toggle-btn {
    min-width: 3rem;
}

.toggle-btn.active {
    background: var(--accent-active);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.3);
}

/* Main content area */
.main-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-md);
    flex: 1;
}

@media (max-width: 1100px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Mobile / Tablet responsive
   ============================================ */

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: var(--space-sm);
    }

    /* Header */
    .header {
        padding: var(--space-sm) var(--space-md);
    }

    .header h1 {
        font-size: 0.85rem;
    }

    /* Controls - wrap and compact */
    .controls {
        padding: var(--space-sm) var(--space-md);
        gap: var(--space-sm);
    }

    .control-group select {
        min-width: 140px;
        font-size: 0.8rem;
    }

    .control-group button,
    .control-group .link-btn {
        padding: var(--space-sm);
        font-size: 0.75rem;
        min-height: 36px;
    }

    .nav-buttons button {
        min-width: 2.2rem;
        padding: var(--space-sm) 0.5rem;
    }

    /* HRRR info wraps under toggle */
    .hrrr-toggle {
        flex-wrap: wrap;
    }

    .hrrr-info {
        font-size: 0.6rem;
        width: 100%;
    }

    /* Main content stacks */
    .main-content {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    /* Info panel collapses */
    .info-panel {
        padding: var(--space-md);
        gap: var(--space-md);
    }

    .shortcuts {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .header h1 {
        font-size: 0.75rem;
    }

    .header h1::before {
        display: none;
    }

    .controls {
        padding: var(--space-xs) var(--space-sm);
        gap: var(--space-xs);
    }

    .control-group label {
        font-size: 0.6rem;
    }

    .control-group select {
        min-width: 100px;
        font-size: 0.75rem;
        padding: var(--space-xs) var(--space-sm);
    }

    .control-group button,
    .control-group .link-btn {
        font-size: 0.7rem;
        padding: var(--space-xs) var(--space-sm);
        min-height: 32px;
    }

    /* Hide less-critical controls on very small screens */
    #btnResetZoom {
        display: none;
    }

    .skewt-container {
        padding: var(--space-xs);
    }

    /* Corner markers unnecessary on mobile */
    .skewt-container::before,
    .skewt-container::after {
        display: none;
    }
}

/* SkewT container - the main display */
.skewt-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    padding: var(--space-lg);
    min-height: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    overflow: hidden;
}

/* Corner markers - technical aesthetic */
.skewt-container::before,
.skewt-container::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-strong);
}

.skewt-container::before {
    top: 8px;
    left: 8px;
    border-right: none;
    border-bottom: none;
}

.skewt-container::after {
    bottom: 8px;
    right: 8px;
    border-left: none;
    border-top: none;
}

#skewtSvg {
    width: 100%;
    height: 100%;
    display: block;
}


/* Info panel - data readout style */
.info-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.info-panel h3 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-sm);
}

.info-content {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.info-content .placeholder {
    color: var(--text-muted);
    font-style: normal;
    opacity: 0.6;
}

.info-content .info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.info-content .info-row:last-child {
    border-bottom: none;
}

.info-content .info-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-content .info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

/* Keyboard shortcuts */
.shortcuts {
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.shortcuts > div {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
}

kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    padding: 0.2rem 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    color: var(--text-primary);
}

/* Tooltip - data readout style */
.tooltip {
    position: absolute;
    font-family: var(--font-mono);
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: 2px;
    font-size: 0.8rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.1s ease;
    z-index: 1000;
    max-width: 280px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.tooltip::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent-primary);
}

.tooltip.visible {
    opacity: 1;
}

.tooltip .tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    padding: 2px 0;
}

.tooltip .tooltip-label {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

/* ============================================
   SkewT SVG Styles - Scientific visualization
   ============================================ */

.skewt-background {
    fill: var(--bg-primary);
    touch-action: none;
}

.skewt-border {
    stroke: var(--border-strong);
    stroke-width: 1;
}

/* Grid lines - subtle but precise */
.isotherm {
    stroke: var(--isotherm-color);
    stroke-width: 0.5;
    fill: none;
}

.isotherm.zero {
    stroke: var(--zero-isotherm);
    stroke-width: 1;
    stroke-opacity: 0.6;
}

.isobar {
    stroke: var(--isobar-color);
    stroke-width: 0.5;
    fill: none;
}

.dry-adiabat {
    stroke: var(--dry-adiabat-color);
    stroke-width: 0.5;
    stroke-opacity: 0.25;
    fill: none;
}

.moist-adiabat {
    stroke: var(--moist-adiabat-color);
    stroke-width: 0.5;
    stroke-opacity: 0.2;
    fill: none;
    stroke-dasharray: 4, 3;
}

.mixing-ratio {
    stroke: var(--mixing-ratio-color);
    stroke-width: 0.5;
    stroke-opacity: 0.15;
    fill: none;
    stroke-dasharray: 2, 3;
}

/* Data lines - prominent with glow effect */
.temperature-line {
    stroke: var(--temp-color);
    stroke-width: 2.5;
    fill: none;
    filter: drop-shadow(0 0 4px var(--temp-glow));
}

.dewpoint-line {
    stroke: var(--dewpoint-color);
    stroke-width: 2.5;
    fill: none;
    filter: drop-shadow(0 0 4px var(--dewpoint-glow));
}

/* HRRR model data lines - dashed to distinguish from obs */
.hrrr-temperature-line {
    stroke: var(--hrrr-temp-color);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 6, 3;
    filter: drop-shadow(0 0 4px var(--hrrr-temp-glow));
}

.hrrr-dewpoint-line {
    stroke: var(--hrrr-dewpoint-color);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 6, 3;
    filter: drop-shadow(0 0 4px var(--hrrr-dewpoint-glow));
}

/* HRRR info display */
.hrrr-info {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.hrrr-info.loading {
    animation: hrrr-pulse 1.2s ease-in-out infinite;
}

@keyframes hrrr-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Wind barbs */
.wind-barb {
    stroke: var(--wind-color);
    stroke-width: 1.5;
    fill: none;
}

.wind-barb-flag {
    stroke: var(--wind-color);
    stroke-width: 1;
    fill: var(--wind-color);
}

/* Axis labels - technical readout style */
.axis-label {
    font-family: var(--font-mono);
    font-size: 9px;
    fill: var(--text-muted);
    letter-spacing: 0.05em;
}

.pressure-label {
    font-family: var(--font-mono);
    font-size: 9px;
    fill: var(--text-secondary);
    text-anchor: end;
    font-variant-numeric: tabular-nums;
}

.temp-label {
    font-family: var(--font-mono);
    font-size: 9px;
    fill: var(--text-secondary);
    text-anchor: middle;
    font-variant-numeric: tabular-nums;
}

/* Data points for interaction */
.data-point {
    fill: transparent;
    stroke: transparent;
    cursor: crosshair;
    transition: all 0.1s ease;
}

.data-point:hover {
    fill: rgba(88, 166, 255, 0.2);
    stroke: var(--accent-primary);
    stroke-width: 1.5;
}

/* Legend */
.legend {
    font-family: var(--font-mono);
    font-size: 10px;
}

.legend-item {
    cursor: default;
}

.legend-line {
    stroke-width: 2.5;
}

.legend-text {
    fill: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 9px;
}

/* Loading overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 20, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Flatpickr customization - dark theme */
.flatpickr-calendar {
    font-family: var(--font-mono);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.flatpickr-calendar::before,
.flatpickr-calendar::after {
    display: none;
}

.flatpickr-months {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
}

.flatpickr-months .flatpickr-month {
    color: var(--text-primary);
    fill: var(--text-primary);
}

.flatpickr-current-month .flatpickr-monthDropdown-months,
.flatpickr-current-month input.cur-year {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.flatpickr-weekdays {
    background: var(--bg-surface);
}

.flatpickr-weekday {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 500;
}

.flatpickr-day {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    border-radius: 2px;
}

.flatpickr-day:hover {
    background: var(--bg-surface);
    border-color: var(--border-default);
}

.flatpickr-day.selected {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.flatpickr-day.today {
    border-color: var(--accent-primary);
}

.flatpickr-day.has-data {
    background: rgba(88, 166, 255, 0.15);
    border-color: rgba(88, 166, 255, 0.3);
    color: var(--text-primary);
}

.flatpickr-day.has-data:hover {
    background: rgba(88, 166, 255, 0.25);
}

.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: var(--text-muted);
    opacity: 0.4;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Selection styling */
::selection {
    background: rgba(88, 166, 255, 0.3);
    color: var(--text-primary);
}