/* CSS Design System for Disaster Mesh Simulator */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    --bg-base: #060913;
    --bg-surface: rgba(13, 20, 38, 0.6);
    --bg-surface-solid: #0d1426;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(6, 182, 212, 0.2);

    /* Accent Colors */
    --color-sos: #ff5722;
    --color-ble: #00f0ff;
    --color-lora: #a100ff;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-inactive: #4b5563;
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;

    /* Fonts */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: rgba(13, 20, 38, 0.85);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(12px);
    z-index: 10;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: radial-gradient(circle, var(--color-sos) 20%, transparent 60%);
    border: 2px solid var(--color-sos);
    border-radius: 50%;
    animation: sosPulse 2s infinite;
}

h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #fff, var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1 span {
    color: var(--color-sos);
    background: none;
    -webkit-text-fill-color: initial;
}

.header-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-pill {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.stat-pill .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-success);
}

.stat-pill .indicator.active {
    animation: networkPulse 1.5s infinite;
}

/* App Container Layout */
.app-container {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 420px;
    overflow: hidden;
    position: relative;
}

/* Canvas Area */
.canvas-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #080c16;
    overflow: hidden;
}

#simulationCanvas {
    display: block;
    cursor: grab;
}

#simulationCanvas:active {
    cursor: grabbing;
}

/* Canvas Legend / Overlay Controls */
.canvas-overlay {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: rgba(13, 20, 38, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    pointer-events: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 320px;
}

.overlay-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
}

.legend-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.8rem;
    align-items: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

/* Sidebar Section */
.sidebar {
    background: var(--bg-surface-solid);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 5;
    box-shadow: -10px 0 30px rgba(0,0,0,0.25);
}

/* Sidebar Tabs Navigation */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: rgba(6, 9, 19, 0.4);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    padding: 1rem 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--color-ble);
    border-bottom-color: var(--color-ble);
    background: rgba(13, 20, 38, 0.2);
}

/* Sidebar Panels */
.tab-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: none;
}

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

/* Scrollbars */
.tab-content::-webkit-scrollbar, .console-log::-webkit-scrollbar {
    width: 6px;
}

.tab-content::-webkit-scrollbar-track, .console-log::-webkit-scrollbar-track {
    background: transparent;
}

.tab-content::-webkit-scrollbar-thumb, .console-log::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.tab-content::-webkit-scrollbar-thumb:hover, .console-log::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Panel Sections & Headings */
.panel-section {
    margin-bottom: 1.5rem;
}

.panel-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Custom Controls: Buttons, Sliders, Dropdowns */
.btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--color-text-primary);
    padding: 0.65rem 1rem;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--color-sos);
    border-color: transparent;
    color: white;
}

.btn-primary:hover {
    background: #ff7043;
    border-color: transparent;
}

.btn-secondary {
    background: rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.2);
    color: var(--color-ble);
}

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.2);
    border-color: var(--color-ble);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--color-danger);
}

.btn-small {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 6px;
}

/* Slider Controls */
.slider-group {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
}

.slider-group input[type="range"] {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-ble);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    transition: transform 0.1s;
}

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

/* Inspector Glass Panel */
.glass-panel {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    backdrop-filter: blur(8px);
}

/* Active Node Simulator Layout (Phone Screen) */
.phone-ui {
    background: #090e18;
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 1rem;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8), 0 10px 25px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    font-size: 0.85rem;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.phone-battery {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
}

.phone-battery.critical {
    color: var(--color-danger);
}

.phone-battery.warning {
    color: var(--color-warning);
}

.phone-battery.good {
    color: var(--color-success);
}

.battery-icon {
    width: 20px;
    height: 10px;
    border: 1px solid currentColor;
    border-radius: 2px;
    position: relative;
    padding: 1px;
}

.battery-fill {
    height: 100%;
    background-color: currentColor;
    border-radius: 1px;
}

.battery-icon::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 2px;
    width: 2px;
    height: 4px;
    background-color: currentColor;
    border-radius: 0 1px 1px 0;
}

.phone-stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.phone-stat-val {
    font-weight: 500;
    color: white;
}

/* SOS Templates */
.sos-template-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.sos-template-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 8px;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sos-template-btn:hover {
    background: rgba(255, 87, 34, 0.08);
    border-color: rgba(255, 87, 34, 0.3);
}

.sos-template-btn .title {
    font-weight: 600;
    font-size: 0.8rem;
    color: white;
}

.sos-template-btn .desc {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
}

/* Database Queue List */
.db-queue-container {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-height: 160px;
    overflow-y: auto;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.empty-state {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    padding: 1.5rem 0;
}

.db-packet-card {
    background: rgba(255,255,255,0.02);
    border-left: 3px solid var(--color-sos);
    border-radius: 4px;
    padding: 0.4rem 0.5rem;
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.db-packet-card.success-delivery {
    border-left-color: var(--color-success);
}

.packet-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.packet-card-title {
    font-weight: 600;
    color: var(--color-text-primary);
}

.packet-card-meta {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
}

.packet-card-ttl {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    background: rgba(255,255,255,0.05);
}

/* Responder Dashboard Alerts Feed */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dashboard-stat-box {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
}

.dashboard-stat-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-mono);
}

.dashboard-stat-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

.alerts-feed-container {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.alert-feed-card {
    background: rgba(255, 87, 34, 0.05);
    border: 1px solid rgba(255, 87, 34, 0.15);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.alert-feed-card.resolved {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.15);
}

.alert-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.25rem;
}

.alert-badge {
    background: var(--color-sos);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.alert-card-header.resolved-header .alert-badge {
    background: var(--color-success);
}

.alert-time {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

.alert-card-body {
    font-size: 0.8rem;
    color: var(--color-text-primary);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.alert-card-path {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem;
    border-radius: 4px;
    overflow-x: auto;
    white-space: nowrap;
}

.alert-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Diagnostic Console Console tab */
.console-log {
    background: #040711;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    height: 400px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.console-line {
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    padding-bottom: 0.25rem;
    line-height: 1.4;
    word-break: break-all;
}

.console-line .timestamp {
    color: var(--color-text-muted);
    margin-right: 0.5rem;
}

.console-line.type-handshake {
    color: var(--color-ble);
}

.console-line.type-packet {
    color: var(--color-success);
}

.console-line.type-drop {
    color: var(--color-danger);
}

.console-line.type-battery {
    color: var(--color-warning);
}

/* Keyframe Animations */
@keyframes sosPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 87, 34, 0.6);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(255, 87, 34, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 87, 34, 0);
    }
}

@keyframes networkPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Obstacles Toggle */
.obstacle-btn {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.obstacle-btn:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--color-warning);
}

.obstacle-btn.active {
    background: var(--color-warning);
    color: black;
    font-weight: 600;
}

/* Diagnostic Badges */
.badge-pass {
    background-color: rgba(16, 185, 129, 0.2) !important;
    color: #10b981 !important;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-fail {
    background-color: rgba(239, 68, 68, 0.2) !important;
    color: #ef4444 !important;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-running {
    background-color: rgba(0, 240, 255, 0.2) !important;
    color: #00f0ff !important;
    border: 1px solid rgba(0, 240, 255, 0.4);
    animation: networkPulse 1.5s infinite;
}

.test-row {
    padding: 0.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

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