/* GLOBAL CUSTOM VARIABLES & SYSTEM DESIGN */
:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-header: #ffffff;
    --border-color: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #1e293b;
    --text-muted: #475569;
    
    /* Branding & Safety-Inspired Accents */
    --accent-orange: #ea580c;
    --accent-orange-hover: #c2410c;
    --accent-orange-soft: rgba(234, 88, 12, 0.15);
    
    --accent-blue: #0284c7;
    --accent-blue-soft: rgba(2, 132, 199, 0.15);
    
    --accent-yellow: #ca8a04;
    --accent-yellow-soft: rgba(202, 138, 4, 0.15);
    
    --accent-green: #059669;
    --accent-green-soft: rgba(5, 150, 105, 0.15);
    
    --accent-red: #dc2626;
    --accent-red-soft: rgba(220, 38, 38, 0.15);
    
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Dark Theme Overrides */
body.dark-theme {
    --bg-main: #0b0f17;
    --bg-card: #151d2a;
    --bg-sidebar: #0e1320;
    --bg-header: #101624;
    --border-color: #232c3f;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

/* Light Theme Sidebar and Detail Overrides */
body.light-theme .logo-text h1,
body.light-theme .profile-info h4 {
    color: #0f172a !important;
}
body.light-theme .menu-item:hover {
    background-color: rgba(0, 0, 0, 0.03);
}
body.light-theme .avatar {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    color: #334155;
}
body.light-theme .grid-board-card {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}
body.light-theme .grid-node.node-pending {
    background-color: #e2e8f0;
    color: #64748b;
}
body.light-theme .plot-canvas-container {
    background-color: #f8fafc;
}
body.light-theme .column-details-card {
    background-color: #f1f5f9;
}
body.light-theme .drawing-specs-layout .spec-card {
    background-color: #f8fafc;
}
body.light-theme .spec-dim-visual {
    background-color: #f8fafc;
}
body.light-theme .calc-results-box {
    border-top-color: #cbd5e1;
}
body.light-theme .calc-results-box h4 {
    color: #0f172a;
}
body.light-theme .result-row {
    border-bottom-color: #cbd5e1;
}
body.light-theme .result-row strong {
    color: #0f172a;
}
body.light-theme .labor-headcount-section {
    background-color: #f1f5f9;
}
body.light-theme .diary-card {
    background-color: #ffffff;
}


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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

a {
    color: inherit;
    text-decoration: none;
}

/* LAYOUT CONTAINER */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* SIDEBAR SYSTEM */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-orange), #f9731688);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    box-shadow: 0 0 15px var(--accent-orange-soft);
}

.logo-text h1 {
    font-size: 1.1rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.sidebar-menu {
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.menu-item:hover {
    background-color: rgba(248, 250, 252, 0.04);
    color: var(--text-primary);
}

.menu-item.active {
    background-color: var(--accent-orange-soft);
    color: var(--accent-orange);
    font-weight: 600;
}

.menu-item.active i {
    color: var(--accent-orange);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.pm-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    border: 1.5px solid var(--text-muted);
}

.profile-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
}

.profile-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* MAIN CONTENT AREA */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* HEADER SYSTEM */
.app-header {
    height: 70px;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    flex-shrink: 0;
    transition: background-color var(--transition-normal);
}

.header-title h2 {
    font-size: 1.35rem;
    color: var(--text-primary);
}

.header-title p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phase-badge {
    background-color: var(--accent-orange-soft);
    border: 1px solid rgba(249, 115, 22, 0.3);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.825rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-orange);
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--accent-orange);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
    animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(249, 115, 22, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
    }
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

/* CONTENT CONTAINER & TABS */
.tab-content-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 30px;
}

.tab-pane {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* CARDS SYSTEM */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* UTILITY SPANS FOR GRID LAYOUTS */
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }

/* 1. DASHBOARD TAB DESIGN */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Hero CountDown Card */
.hero-card {
    position: relative;
    overflow: hidden;
    min-height: 200px;
    background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.12) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-orange);
    font-weight: 700;
    margin-bottom: 6px;
}

.countdown-title {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 24px;
}

.time-block {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-block span {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.time-block label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.time-divider {
    font-size: 2.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 18px;
}

.progress-bar-container {
    width: 100%;
}

.progress-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.775rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.progress-bar-bg {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-orange), #f97316);
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Substructure Progress Circle */
.center-align-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.progress-ring-container {
    position: relative;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0 20px 0;
}

.progress-ring-circle {
    transform: rotate(-90deg);
    transform-origin: 80px 80px;
    transition: stroke-dashoffset 0.8s ease;
}

.progress-ring-label {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.progress-ring-label .value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.progress-ring-label .label {
    font-size: 0.675rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 2px;
}

.mini-metrics {
    display: flex;
    width: 100%;
    justify-content: space-around;
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
    margin-top: 5px;
}

.mini-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-num {
    font-size: 1.1rem;
    font-weight: 700;
}

.metric-label {
    font-size: 0.675rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    height: calc(100% - 40px);
}

.metric-box {
    background-color: rgba(258, 258, 258, 0.015);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-fast);
}

.metric-box:hover {
    border-color: rgba(249, 115, 22, 0.15);
    background-color: rgba(249, 115, 22, 0.01);
}

.icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.bg-soft-orange { background-color: var(--accent-orange-soft); color: var(--accent-orange); }
.bg-soft-blue { background-color: var(--accent-blue-soft); color: var(--accent-blue); }
.bg-soft-red { background-color: var(--accent-red-soft); color: var(--accent-red); }
.bg-soft-green { background-color: var(--accent-green-soft); color: var(--accent-green); }

.info {
    display: flex;
    flex-direction: column;
}

.info .num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.info .lbl {
    font-size: 0.775rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Timeline Activity Feed */
.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header-flex h3 {
    margin-bottom: 0;
}

.btn-text {
    font-size: 0.825rem;
    color: var(--accent-orange);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-text:hover {
    text-decoration: underline;
}

.timeline-activity {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 8px;
}

.activity-item {
    display: flex;
    gap: 14px;
    position: relative;
}

.activity-item::before {
    content: '';
    position: absolute;
    left: 17px;
    top: 36px;
    bottom: -18px;
    width: 2px;
    background-color: var(--border-color);
}

.activity-item:last-child::before {
    display: none;
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    border: 2px solid var(--bg-card);
}

.activity-icon.icon-excavated { background-color: var(--accent-orange-soft); color: var(--accent-orange); }
.activity-icon.icon-rebar { background-color: var(--accent-yellow-soft); color: var(--accent-yellow); }
.activity-icon.icon-cast { background-color: var(--accent-green-soft); color: var(--accent-green); }
.activity-icon.icon-marking { background-color: var(--accent-blue-soft); color: var(--accent-blue); }

.activity-details {
    flex-grow: 1;
}

.activity-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2px;
}

.activity-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.725rem;
    color: var(--text-muted);
}

.activity-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Quick Reference Guidelines */
.guidelines-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guidelines-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.guidelines-list .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.bg-orange { background-color: var(--accent-orange); }
.bg-yellow { background-color: var(--accent-yellow); }
.bg-blue { background-color: var(--accent-blue); }

.guidelines-list p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
    line-height: 1.35;
}

.guidelines-list strong {
    font-size: 0.825rem;
    font-weight: 600;
}

/* 2. GRID TRACKER TAB DESIGN */
.grid-tracker-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: calc(100vh - 160px);
}

.controls-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    flex-shrink: 0;
}

.panel-header p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 3px;
}

.status-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.legend-item {
    font-size: 0.775rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-pending { background-color: #3b4252; }
.status-marked { background-color: var(--accent-blue); }
.status-excavated { background-color: var(--accent-orange); }
.status-pcc { background-color: var(--accent-yellow); }
.status-rebar { background-color: #06b6d4; } /* Teal */
.status-cast { background-color: var(--accent-green); }
.status-backfilled { background-color: #15803d; } /* Dark Green */

.map-view-options {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-wrap {
    position: relative;
}

.search-wrap i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-wrap input {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 8px 12px 8px 34px;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.825rem;
    width: 200px;
    outline: none;
    transition: var(--transition-fast);
}

.search-wrap input:focus {
    border-color: var(--accent-orange);
    width: 240px;
}

.grid-board-card {
    flex-grow: 1;
    overflow: hidden;
    padding: 12px;
    background-color: #0a0e16;
}

.grid-scroll-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: 20px;
}

/* THE INTERACTIVE CONSTRUCTION GRID */
.grid-wrapper {
    display: grid;
    /* 24 letters (omitting I & O) + 1 for vertical headers = 25 columns */
    grid-template-columns: 35px repeat(24, minmax(28px, 1fr));
    gap: 6px;
    min-width: 900px; /* Force minimum width to maintain structured grid columns */
}

.grid-node-empty {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.65rem;
    user-select: none;
    opacity: 0.15;
}


.grid-header-label {
    color: var(--text-muted);
    font-size: 0.725rem;
    font-weight: 700;
    text-align: center;
    align-self: center;
}

.grid-row-header {
    color: var(--text-muted);
    font-size: 0.725rem;
    font-weight: 700;
    text-align: right;
    padding-right: 8px;
    align-self: center;
}

/* Intersection node styling */
.grid-node {
    width: 28px;
    height: 28px;
    border-radius: 5px;
    background-color: #1e2838;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.65rem;
    font-weight: 700;
    color: #64748b;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
}

.grid-node:hover {
    transform: scale(1.15);
    z-index: 5;
    border-color: #ffffff;
}

/* Status Classes for Grid Nodes */
.grid-node.node-pending { background-color: #1f293d; color: var(--text-muted); }
.grid-node.node-marked { background-color: var(--accent-blue-soft); color: var(--accent-blue); border: 1px solid var(--accent-blue); }
.grid-node.node-excavated { 
    background-color: var(--accent-orange-soft); 
    color: var(--accent-orange); 
    border: 1px solid var(--accent-orange);
    animation: glow-orange 2s infinite alternate;
}
.grid-node.node-pcc { background-color: var(--accent-yellow-soft); color: var(--accent-yellow); border: 1px solid var(--accent-yellow); }
.grid-node.node-rebar { background-color: rgba(6, 182, 212, 0.15); color: #06b6d4; border: 1px solid #06b6d4; }
.grid-node.node-cast { background-color: var(--accent-green-soft); color: var(--accent-green); border: 1px solid var(--accent-green); }
.grid-node.node-backfilled { background-color: rgba(21, 128, 61, 0.15); color: #4ade80; border: 1px solid #16a34a; }

/* Grid node tooltip custom */
.grid-node::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background-color: #0d131f;
    border: 1px solid var(--border-color);
    color: #ffffff;
    padding: 12px 14px;
    border-radius: 6px;
    font-size: 0.725rem;
    white-space: pre-line;
    width: 260px;
    line-height: 1.45;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: 100;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.grid-node:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.grid-node.tooltip-bottom::after {
    bottom: auto;
    top: 125%;
    transform: translateX(-50%) translateY(-5px);
}
.grid-node.tooltip-bottom:hover::after {
    transform: translateX(-50%) translateY(0);
}
.grid-node.tooltip-right::after {
    left: 0;
    transform: translateY(5px);
}
.grid-node.tooltip-right:hover::after {
    transform: translateY(0);
}
.grid-node.tooltip-bottom.tooltip-right::after {
    left: 0;
    transform: translateY(-5px);
}
.grid-node.tooltip-bottom.tooltip-right:hover::after {
    transform: translateY(0);
}

.grid-node.tooltip-left::after {
    left: auto;
    right: 0;
    transform: translateY(5px);
}
.grid-node.tooltip-left:hover::after {
    transform: translateY(0);
}
.grid-node.tooltip-bottom.tooltip-left::after {
    left: auto;
    right: 0;
    transform: translateY(-5px);
}
.grid-node.tooltip-bottom.tooltip-left:hover::after {
    transform: translateY(0);
}

@keyframes glow-orange {
    from { box-shadow: 0 0 2px var(--accent-orange-soft); }
    to { box-shadow: 0 0 10px var(--accent-orange-soft); }
}


#grid-tracker:fullscreen {
    padding: 20px;
    background-color: var(--bg-main) !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#grid-tracker:fullscreen .grid-tracker-layout {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
#grid-tracker:fullscreen .grid-board-card {
    flex-grow: 1;
    height: auto;
}
#grid-tracker:fullscreen .grid-scroll-container {
    height: 100%;
}
.drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100vh;
    background-color: var(--bg-card);
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.drawer.open {
    right: 0;
}

.drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.drawer-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-header h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.close-drawer-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.close-drawer-btn:hover {
    color: var(--accent-red);
}

.drawer-body {
    padding: 24px;
    overflow-y: auto;
    flex-grow: 1;
}

.column-details-card {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.detail-row label {
    font-size: 0.775rem;
    color: var(--text-muted);
    font-weight: 500;
}

.detail-row span {
    font-size: 0.825rem;
    font-weight: 600;
    text-align: right;
}

.badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.725rem;
    font-weight: bold;
}
.badge-info { background-color: var(--accent-blue-soft); color: var(--accent-blue); }
.badge-warning { background-color: var(--accent-yellow-soft); color: var(--accent-yellow); }

.drawer-form .form-group {
    margin-bottom: 20px;
}

.drawer-form label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-orange);
}

select.form-control {
    cursor: pointer;
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--accent-orange);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-orange-hover);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.775rem;
}

/* 3. SITE SETBACKS TAB DESIGN */
.site-layout-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.plot-canvas-container {
    width: 100%;
    height: auto;
    background-color: #0d121c;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 10px;
    margin-top: 15px;
}

.drawing-info-block h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.spec-ul {
    list-style: none;
    margin-bottom: 20px;
}

.spec-ul li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.spec-ul li strong {
    color: var(--text-primary);
}

.alert-box {
    padding: 14px;
    border-radius: 8px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.775rem;
    line-height: 1.45;
    margin-bottom: 20px;
}

.alert-warning {
    background-color: var(--accent-yellow-soft);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: #fef08a;
}

.alert-warning i {
    color: var(--accent-yellow);
    font-size: 1rem;
    margin-top: 2px;
}

.alert-info {
    background-color: var(--accent-blue-soft);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: #e0f2fe;
}

.alert-info i {
    color: var(--accent-blue);
    font-size: 1rem;
    margin-top: 2px;
}

/* 4. DRAWING SPECIFICATIONS TAB DESIGN */
.drawing-specs-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: start;
}

.specs-nav-card {
    padding: 16px;
}

.specs-nav-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 15px;
}

.spec-nav-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 6px;
    text-align: left;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 12px;
}

.spec-nav-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.spec-nav-item.active {
    background-color: var(--accent-orange-soft);
    color: var(--accent-orange);
    font-weight: 600;
}

/* Spec Detail Views */
.spec-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 15px;
}

.spec-card {
    border: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 18px;
}

.spec-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.spec-card-header h4 {
    font-size: 1rem;
    color: #ffffff;
}

.spec-dim-visual {
    width: 100%;
    height: 120px;
    background-color: #0b0f17;
    border-radius: 4px;
    margin: 14px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px dashed var(--border-color);
}

.visual-rect-footing {
    background-color: rgba(249, 115, 22, 0.06);
    border: 1.5px solid var(--accent-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    font-size: 0.7rem;
    font-weight: bold;
}

.visual-pedestal-overlay {
    width: 40px;
    height: 60px;
    background-color: rgba(14, 165, 233, 0.15);
    border: 1px solid var(--accent-blue);
    position: absolute;
}

/* 5. MATERIAL ESTIMATOR TAB DESIGN */
.material-layout-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 15px;
}

.calc-results-box {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    animation: fadeIn var(--transition-fast) forwards;
}

.calc-results-box h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.result-metrics {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.825rem;
    color: var(--text-secondary);
    padding: 8px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

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

.result-row strong {
    color: #ffffff;
    font-size: 0.9rem;
}

/* Tables System */
.table-wrapper {
    overflow-x: auto;
    margin-top: 15px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 16px;
    border-bottom: 1.5px solid var(--border-color);
}

.table td {
    font-size: 0.85rem;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.table tbody tr:hover {
    background-color: rgba(255,255,255,0.01);
}

.status-check {
    color: var(--accent-green);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 1100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.open {
    display: flex;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--card-shadow);
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes zoomIn {
    from { transform: scale(0.9) translateY(10px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h4 {
    font-size: 1.15rem;
    color: #ffffff;
}

.close-modal-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
}

.close-modal-btn:hover {
    color: var(--accent-red);
}

.modal-body {
    padding: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

/* 6. DAILY SITE DIARY TAB DESIGN */
.diary-layout-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

.labor-headcount-section {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    background-color: rgba(0,0,0,0.15);
    margin-bottom: 20px;
    margin-top: 10px;
}

.labor-headcount-section h4 {
    font-size: 0.825rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.diary-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 15px;
    max-height: 550px;
    overflow-y: auto;
    padding-right: 8px;
}

.diary-card {
    background-color: rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: var(--transition-fast);
}

.diary-card:hover {
    border-color: rgba(249, 115, 22, 0.12);
}

.diary-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 12px;
}

.diary-card-header h4 {
    font-size: 0.95rem;
    color: #ffffff;
}

.diary-badges {
    display: flex;
    gap: 8px;
}

.diary-badge {
    font-size: 0.7rem;
    background-color: rgba(255,255,255,0.04);
    border: 1px solid var(--border-color);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
}

.diary-labor-summary {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.775rem;
    color: var(--text-muted);
}

.diary-labor-summary span strong {
    color: var(--text-secondary);
}

.diary-notes-p {
    font-size: 0.825rem;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: pre-line;
}

/* Global Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #10b981;
    color: #ffffff;
    padding: 14px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Mezzanine Toggle Switch */
.mezzanine-toggle-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.825rem;
}
.mezzanine-label {
    font-weight: 600;
    color: var(--text-secondary);
}
.switch {
    position: relative;
    display: inline-block;
    width: 38px;
    height: 20px;
}
.switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #3b4252;
    transition: .3s;
}
.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
}
input:checked + .slider {
    background-color: var(--accent-orange);
}
input:checked + .slider:before {
    transform: translateX(18px);
}
.slider.round {
    border-radius: 20px;
}
.slider.round:before {
    border-radius: 50%;
}


/* SECURITY LOGIN SYSTEM OVERLAY */
.login-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    transition: opacity var(--transition-normal);
}
body.light-theme .login-overlay {
    background: radial-gradient(circle at center, #f1f5f9 0%, #e2e8f0 100%);
}

.login-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    padding: 35px;
    display: flex;
    flex-direction: column;
}

.login-header {
    text-align: center;
    margin-bottom: 25px;
}

.login-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px auto;
    background: linear-gradient(135deg, var(--accent-orange), #f9731688);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    border-radius: 14px;
    box-shadow: 0 0 20px var(--accent-orange-soft);
}

.login-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.login-header p {
    font-size: 0.825rem;
    color: var(--text-muted);
}

.login-form .input-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-form label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.login-form .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-form .input-wrapper i {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.login-form .input-wrapper input {
    width: 100%;
    padding: 12px 14px 12px 38px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    font-size: 0.925rem;
    transition: var(--transition-fast);
}

body.light-theme .login-form .input-wrapper input {
    background-color: #ffffff;
}

.login-form .input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-soft);
}

/* FINANCIALS CARDS & DETAILS */
.financials-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}
body.light-theme .financials-card {
    background-color: #ffffff;
}

/* Comments cards */
.comment-card {
    background-color: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
body.light-theme .comment-card {
    background-color: #f8fafc;
}
.comment-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.725rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.comment-time {
    color: var(--text-muted);
    font-weight: 400;
}
.comment-body {
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.3;
}


/* GANTT TIMELINE CHART */
.gantt-row {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.825rem;
    height: 40px;
}
.gantt-row:hover {
    background-color: rgba(0,0,0,0.01);
}
.gantt-task-name {
    width: 300px;
    padding: 10px 12px;
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}
.gantt-bar-grid {
    flex-grow: 1;
    display: grid;
    grid-template-columns: repeat(17, 1fr);
    height: 100%;
    align-items: center;
    position: relative;
}
.gantt-week-cell {
    border-right: 1px solid rgba(0,0,0,0.03);
    height: 100%;
}
.gantt-bar {
    height: 16px;
    border-radius: 8px;
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    position: relative;
    z-index: 2;
    overflow: hidden;
}
.gantt-bar.in-progress {
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid rgba(249, 115, 22, 0.3);
}
.gantt-bar.completed {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
}
.gantt-bar-fill {
    background: linear-gradient(90deg, var(--accent-orange) 0%, #ea580c 100%);
    box-shadow: 0 2px 4px rgba(234, 88, 12, 0.2);
}
.gantt-bar.completed .gantt-bar-fill {
    background: linear-gradient(90deg, var(--accent-green) 0%, #059669 100%);
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.2);
}

/* RESPONSIVE ADAPTATIONS */


@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .col-span-3, .col-span-2 {
        grid-column: span 1;
    }
    .site-layout-grid, .drawing-specs-layout, .material-layout-grid, .diary-layout-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        width: 70px;
    }
    .sidebar-header .logo-text, .menu-item span, .sidebar-footer .pm-profile .profile-info {
        display: none;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        height: 100vh;
        width: 100vw;
        overflow: hidden;
    }
    .sidebar {
        width: 100% !important;
        height: auto;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 8px 15px;
        position: sticky;
        top: 0;
        z-index: 100;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .sidebar-header {
        padding: 0;
        border-bottom: none;
    }
    .sidebar-header .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }
    .sidebar-header .logo-text {
        display: none !important;
    }
    .sidebar-menu {
        padding: 0;
        display: flex;
        flex-direction: row;
        gap: 8px;
        overflow-x: auto;
        white-space: nowrap;
        width: auto;
        flex-grow: 0;
        scrollbar-width: none;
    }
    .sidebar-menu::-webkit-scrollbar {
        display: none;
    }
    .menu-item {
        padding: 8px 12px;
        font-size: 0.8rem;
        margin-bottom: 0;
    }
    .menu-item span {
        display: inline !important;
    }
    .sidebar-footer {
        display: none !important;
    }
    .main-content {
        height: calc(100vh - 50px);
        overflow-y: auto;
    }
    .app-header {
        height: auto;
        min-height: 50px;
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 15px;
        gap: 10px;
    }
    .header-actions {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tab-content-container {
        padding: 15px;
        overflow-y: auto;
    }
    .controls-panel {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px;
    }
    .map-view-options {
        flex-wrap: wrap;
        width: 100%;
        gap: 8px;
    }
    .search-wrap {
        width: 100%;
    }
    .search-wrap input {
        width: 100% !important;
    }
    .gantt-chart-card {
        overflow-x: auto;
    }
    #gantt-rows-container {
        min-width: 800px;
    }
    #grid-tracker:fullscreen {
        padding: 10px;
    }
}

/* HIGH CONTRAST EXPORT & TYPOGRAPHY ENHANCEMENT */
body.light-theme .gantt-task-name,
body.light-theme .gantt-row,
body.light-theme .gantt-row *,
body.light-theme .gantt-table,
body.light-theme .gantt-table *,
body.light-theme .gantt-header,
body.light-theme .gantt-col,
body.light-theme .card h3,
body.light-theme .card h2,
body.light-theme .card h1,
body.light-theme .card p,
body.light-theme .section-intro,
body.light-theme table th,
body.light-theme table td,
body.light-theme table td *,
body.light-theme .metric-label,
body.light-theme .metric-value {
    color: #0f172a !important;
}

body.light-theme .gantt-task-name {
    color: #000000 !important;
    font-weight: 700 !important;
}

body.light-theme .gantt-row.header,
body.light-theme .gantt-row.header * {
    color: #000000 !important;
    font-weight: 800 !important;
}

body.light-theme .section-intro,
body.light-theme p.text-muted {
    color: #334155 !important;
    font-weight: 600 !important;
}