/* ----------------------------------------------------
   ArcSim DCS v1.0.0 Global Stylesheet & Design System
   ---------------------------------------------------- */

:root {
    /* Color Tokens (Curated HSL Slate Palette) */
    --bg-dark: hsl(222, 40%, 7%);
    --bg-panel: hsl(222, 35%, 12%);
    --bg-card: hsla(222, 35%, 15%, 0.7);
    --border-color: hsla(217, 30%, 30%, 0.4);
    
    --text-primary: hsl(210, 40%, 95%);
    --text-secondary: hsl(215, 20%, 65%);
    --text-muted: hsl(215, 15%, 45%);
    
    /* Neon Accents for DCS Statuses */
    --accent-primary: hsl(190, 90%, 50%); /* Cyber Cyan */
    --accent-success: hsl(145, 80%, 45%); /* Neon Green */
    --accent-warning: hsl(35, 90%, 55%);  /* Neon Amber */
    --accent-danger: hsl(355, 85%, 55%);  /* Hot Crimson */
    
    --glow-cyan: 0 0 15px hsla(190, 90%, 50%, 0.3);
    --glow-green: 0 0 12px hsla(145, 80%, 45%, 0.35);
    --glow-danger: 0 0 12px hsla(355, 85%, 55%, 0.35);
    
    --font-ui: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 15px;
    height: 100vh;
    overflow: hidden;
    /* Cyber grid overlay background */
    background-image: 
        radial-gradient(at 50% 0%, hsla(222, 40%, 15%, 0.5) 0px, transparent 50%),
        linear-gradient(rgba(18, 24, 38, 0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 24, 38, 0.4) 1px, transparent 1px);
    background-size: 100% 100%, 30px 30px, 30px 30px;
}

#app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 15px;
    gap: 15px;
}

/* 1. Header Area Styles */
#control-header {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area h1 {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-primary);
    border: 1px solid hsla(190, 90%, 50%, 0.3);
    padding: 2px 8px;
    border-radius: 4px;
    background-color: hsla(190, 90%, 50%, 0.05);
}

.pulse-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.pulse-indicator.status-ok {
    background-color: var(--accent-success);
    box-shadow: var(--glow-green);
    animation: pulse 1.8s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    100% { transform: scale(1.1); opacity: 1; }
}

.quick-stats {
    display: flex;
    gap: 25px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.05rem;
}

.status-text-ok {
    color: var(--accent-success);
    text-shadow: 0 0 5px hsla(145, 80%, 45%, 0.2);
}

.status-text-warn {
    color: var(--accent-warning);
}

/* Header Action Buttons */
.global-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    background-color: hsla(217, 20%, 30%, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.control-btn:hover {
    background-color: hsla(217, 20%, 35%, 0.6);
    border-color: var(--accent-primary);
    box-shadow: var(--glow-cyan);
}

.control-btn.danger {
    border-color: hsla(355, 85%, 55%, 0.4);
    background-color: hsla(355, 85%, 55%, 0.1);
}

.control-btn.danger:hover {
    background-color: hsla(355, 85%, 55%, 0.25);
    border-color: var(--accent-danger);
    box-shadow: var(--glow-danger);
}

/* 2. Main Dashboard Layout Split */
#dashboard-grid {
    display: flex;
    flex: 1;
    gap: 15px;
    overflow: hidden;
}

/* Left Panel: Process Diagram Card */
#pfd-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.panel-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(90deg, hsla(222, 35%, 15%, 0.8), transparent);
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.panel-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.canvas-container {
    flex: 1;
    background-color: hsl(222, 45%, 5%); /* Darker backdrop for high-contrast lines */
    position: relative;
    overflow: hidden;
}

#pfd-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Right Panel: Side Controls Sidebar */
#sidebar-controls {
    width: 440px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow: hidden;
}

/* Tabs UI */
.tab-bar {
    display: flex;
    border: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    border-radius: 10px;
    padding: 3px;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 8px 0;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-ui);
    font-weight: 550;
    font-size: 0.85rem;
    border-radius: 7px;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: hsla(217, 30%, 25%, 0.5);
    color: var(--accent-primary);
    border: 1px solid hsla(190, 90%, 50%, 0.2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.tab-content {
    display: none;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
}

.tab-content.active {
    display: flex;
}

/* Scrollbar styling for side panel */
.tab-content::-webkit-scrollbar {
    width: 5px;
}
.tab-content::-webkit-scrollbar-track {
    background: transparent;
}
.tab-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* 3. Control Card & Interactive Element Styles */
.control-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: var(--transition-smooth);
}

.control-card:hover {
    border-color: hsla(217, 30%, 40%, 0.6);
}

.control-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 12px;
    border-left: 3px solid var(--accent-primary);
    padding-left: 8px;
    letter-spacing: -0.2px;
}

.section-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    font-size: 0.8rem;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
}

.control-group label span {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-weight: 600;
}

/* Custom Styled Input Sliders (Glow on Track) */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: hsl(222, 25%, 22%);
    outline: none;
    transition: var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text-primary);
    border: 2px solid var(--accent-primary);
    cursor: pointer;
    box-shadow: var(--glow-cyan);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Toggle Buttons for Pumps/Controllers */
.button-toggle-group {
    display: flex;
    gap: 8px;
}

.toggle-btn {
    flex: 1;
    background-color: hsl(222, 20%, 10%);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.75rem;
    transition: var(--transition-smooth);
}

.toggle-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.toggle-btn.active {
    background-color: hsla(145, 80%, 45%, 0.15);
    color: var(--accent-success);
    border-color: var(--accent-success);
    box-shadow: 0 0 8px hsla(145, 80%, 45%, 0.2);
}

/* If toggled OFF, styled appropriately */
.toggle-btn:not(.active):active {
    background-color: hsla(355, 85%, 55%, 0.1);
    color: var(--accent-danger);
    border-color: var(--accent-danger);
}

.control-note {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 4px;
}

/* Progress bar inside Card */
.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: hsl(222, 25%, 22%);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), hsl(200, 100%, 65%));
    box-shadow: var(--glow-cyan);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Full card spacing inside panel views */
.full-tab-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chart-container {
    position: relative;
    width: 100%;
    flex: 1;
}

/* 4. Canvas Floating Overlay Info Boxes */
.valve-label {
    font-family: var(--font-mono);
    font-size: 9px;
    fill: var(--text-secondary);
}

.pfd-tooltip {
    position: absolute;
    background: hsla(222, 40%, 10%, 0.85);
    border: 1px solid var(--accent-primary);
    box-shadow: var(--glow-cyan);
    padding: 6px 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    pointer-events: none;
    display: none;
    z-index: 100;
}

/* Additional DCS styles */

#left-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: 100%;
}

#pfd-panel {
    flex: 1;
    min-height: 0;
}

#alarm-panel {
    height: 150px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.alarm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px !important;
    background: linear-gradient(90deg, hsla(222, 35%, 15%, 0.8), transparent);
}

.alarm-list {
    flex: 1;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 8px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.alarm-list::-webkit-scrollbar {
    width: 4px;
}
.alarm-list::-webkit-scrollbar-track {
    background: transparent;
}
.alarm-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.alarm-row {
    display: flex;
    gap: 10px;
    padding: 3px 6px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.02);
    align-items: center;
}

.alarm-row.hihi {
    color: var(--accent-danger);
    background-color: rgba(239, 68, 68, 0.08);
    border-left: 3px solid var(--accent-danger);
}

.alarm-row.warn {
    color: var(--accent-warning);
    background-color: rgba(234, 179, 8, 0.08);
    border-left: 3px solid var(--accent-warning);
}

.alarm-row.cleared {
    color: var(--text-muted);
    border-left: 3px solid var(--text-muted);
}

.alarm-row.system {
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.alarm-time {
    color: var(--text-secondary);
}

.alarm-code {
    font-weight: bold;
}

.alarm-badge {
    text-transform: uppercase;
    font-size: 0.65rem;
    font-weight: bold;
}

.compact-btn {
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
    border-radius: 4px !important;
}

/* Floating DCS Faceplate Card */
.faceplate-card {
    position: absolute;
    top: 150px;
    left: 200px;
    width: 260px;
    background-color: hsla(222, 35%, 10%, 0.85);
    border: 1px solid var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--glow-cyan);
    border-radius: 10px;
    backdrop-filter: blur(15px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;
}

.faceplate-header {
    background: linear-gradient(90deg, hsla(190, 90%, 50%, 0.15), transparent);
    border-bottom: 1px solid rgba(56, 189, 248, 0.3);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: move; /* Drag handle indicator */
}

.faceplate-tag {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 0.95rem;
}

.faceplate-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 10px;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.faceplate-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-smooth);
}

.faceplate-close:hover {
    color: var(--accent-danger);
}

.faceplate-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faceplate-pv-mv {
    display: flex;
    gap: 15px;
    height: 140px;
    align-items: center;
}

.faceplate-bar-container {
    width: 14px;
    background-color: hsl(222, 25%, 15%);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.faceplate-bar-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, var(--accent-primary), #38bdf8);
    transition: height 0.05s linear;
}

.faceplate-slider-container {
    width: 30px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Vertical slider inside faceplate */
#faceplate-op-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 6px;
    height: 100%;
    background: hsl(222, 25%, 15%);
    border-radius: 3px;
    outline: none;
    writing-mode: vertical-lr;
    direction: rtl;
}

#faceplate-op-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-primary);
    border: 2px solid var(--accent-primary);
    cursor: pointer;
    box-shadow: var(--glow-cyan);
}

.faceplate-values {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}

.val-pair {
    display: flex;
    flex-direction: column;
}

.val-pair .label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.val-pair .val {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faceplate-modes {
    margin-top: 5px;
}

.faceplate-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.faceplate-table td {
    padding: 4px 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faceplate-table td.label {
    color: var(--text-secondary);
}

.faceplate-table td.value {
    color: var(--text-primary);
    text-align: right;
    font-weight: 600;
}

/* Custom indicator states */
.pulse-indicator.status-danger {
    background-color: var(--accent-danger);
    box-shadow: var(--glow-danger);
}

.pulse-indicator.status-warning {
    background-color: var(--accent-warning);
    box-shadow: 0 0 12px hsla(35, 90%, 55%, 0.35);
}

.pulse-indicator.status-ack-danger {
    background-color: hsl(355, 50%, 40%);
    box-shadow: none;
}

.pulse-indicator.status-ack-warning {
    background-color: hsl(35, 50%, 40%);
    box-shadow: none;
}

@keyframes pulse-fast {
    0% { transform: scale(0.85); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 1; }
}

.compact-btn {
    padding: 4px 8px !important;
}

.button-grid {
    margin-top: 5px;
}

.toggle-btn.warning.active {
    background-color: hsla(35, 90%, 55%, 0.15);
    color: var(--accent-warning);
    border-color: var(--accent-warning);
    box-shadow: 0 0 8px hsla(35, 90%, 55%, 0.2);
}