/**
 * ===============================================================================
 * Wire Heating and Air - After-Hours Service Styles
 * ===============================================================================
 *
 * Clean, modern styling for the HVAC service request system.
 * Uses CSS custom properties for easy theming.
 *
 * ===============================================================================
 */

/* -------------------------------------------------------------------------------
   CSS Custom Properties (Theme Variables)
   ------------------------------------------------------------------------------- */
:root {
    /* Colors - HVAC/Industrial theme */
    --color-primary: #1e3a5f;
    --color-primary-dark: #152a45;
    --color-secondary: #6c757d;
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-accent: #4a9eff;
    --color-emergency: #dc3545;

    /* Backgrounds */
    --bg-primary: #0d1b2a;
    --bg-secondary: #1b263b;
    --bg-card: #1e3a5f;
    --bg-input: #0d1b2a;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #6c8299;

    /* Borders */
    --border-color: #2d4a6a;
    --border-radius: 8px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

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

/* -------------------------------------------------------------------------------
   Reset & Base Styles
   ------------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* -------------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------------- */
header {
    position: relative;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.github-link {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.github-link:hover {
    color: var(--text-primary);
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(90deg, var(--color-accent), #7bb8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

header .phone-number {
    margin-top: var(--spacing-sm);
    font-size: 1.125rem;
    color: var(--color-accent);
}

header .phone-number a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
}

header .phone-number a:hover {
    text-decoration: underline;
}

/* -------------------------------------------------------------------------------
   Main Layout
   ------------------------------------------------------------------------------- */
main {
    display: grid;
    grid-template-columns: 520px 1fr;
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

@media (max-width: 1000px) {
    main {
        grid-template-columns: 1fr;
    }
}

/* -------------------------------------------------------------------------------
   Video Section
   ------------------------------------------------------------------------------- */
.video-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 520px;
}

#video-container {
    position: relative;
    width: 520px;
    height: 293px;
    min-width: 520px;
    min-height: 293px;
    max-width: 520px;
    max-height: 293px;
    background: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

#video-container *,
#video-container *::before,
#video-container *::after {
    max-width: 100% !important;
    max-height: 100% !important;
    box-sizing: border-box !important;
}

#video-container video {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 520px !important;
    height: 293px !important;
    min-width: 520px !important;
    min-height: 293px !important;
    max-width: 520px !important;
    max-height: 293px !important;
    object-fit: contain !important;
}

#video-container > div {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
}

#video-container video[id*="local"],
#video-container video.localVideo {
    display: none !important;
}

#video-container .placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    z-index: 1;
}

.placeholder-content {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-icon {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

@media (max-width: 1000px) {
    .video-section {
        width: 100%;
    }
    #video-container,
    #video-container video {
        width: 100% !important;
        min-width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: unset !important;
        max-height: unset !important;
        aspect-ratio: 16 / 9;
    }
}

/* -------------------------------------------------------------------------------
   Controls
   ------------------------------------------------------------------------------- */
.controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

button {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

#connect-btn {
    background: var(--color-primary);
    color: white;
}

#connect-btn:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

#disconnect-btn {
    background: var(--color-error);
    color: white;
}

#disconnect-btn:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

#refresh-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

#refresh-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* -------------------------------------------------------------------------------
   Status Display
   ------------------------------------------------------------------------------- */
.status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    background: var(--bg-card);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status.ready .status-indicator { background: var(--text-muted); }
.status.connecting .status-indicator { background: var(--color-warning); animation: pulse 1s infinite; }
.status.connected .status-indicator { background: var(--color-success); }
.status.disconnecting .status-indicator { background: var(--color-warning); }
.status.disconnected .status-indicator { background: var(--text-muted); }
.status.error .status-indicator { background: var(--color-error); }

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

/* -------------------------------------------------------------------------------
   Event Log
   ------------------------------------------------------------------------------- */
.event-log {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.event-log h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.log-container {
    flex: 1;
    overflow-y: auto;
    max-height: 200px;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.75rem;
}

.log-entry {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    word-break: break-word;
}

.log-entry .log-time {
    color: var(--text-muted);
    margin-right: var(--spacing-sm);
}

.log-entry.system { color: var(--text-secondary); }
.log-entry.event { color: var(--color-accent); }
.log-entry.error { color: var(--color-error); }
.log-entry.request { color: var(--color-success); }

/* -------------------------------------------------------------------------------
   Service Requests Section
   ------------------------------------------------------------------------------- */
.requests-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.requests-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.requests-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-card.emergency {
    border-left: 4px solid var(--color-emergency);
}

.stat-card.emergency .stat-value {
    color: var(--color-emergency);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: block;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Requests Container */
.requests-container {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    max-height: 600px;
    overflow-y: auto;
}

.no-requests {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.no-requests .hint {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

/* Request Card */
.request-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 3px solid var(--color-accent);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.request-card:last-child {
    margin-bottom: 0;
}

.request-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.request-card.emergency {
    border-left-color: var(--color-emergency);
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.1) 0%, var(--bg-secondary) 100%);
}

.request-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.request-type {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent);
}

.request-card.emergency .request-type {
    color: var(--color-emergency);
}

.badge {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-card);
    color: var(--text-secondary);
}

.badge.emergency {
    background: var(--color-emergency);
    color: white;
    animation: pulse 2s infinite;
}

.request-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.request-customer {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.request-address {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.request-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.request-unit {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.request-issue {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.request-footer {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.request-id {
    font-size: 0.625rem;
    color: var(--text-muted);
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
}

.request-time {
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* -------------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------------- */
footer {
    text-align: center;
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

footer a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: #7bb8ff;
}

/* -------------------------------------------------------------------------------
   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: var(--text-muted);
}