/* ==========================================================================
   WarNat OS 2.0 — Official Design System & Stylesheet
   Colors: Deep Navy (#0A1E4D / #0F172A), Secondary (#1E4FA1), Neon Accent (#C7F000), Orange (#FF8C1A)
   ========================================================================== */

:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --bg-card: rgba(30, 41, 59, 0.85);
    --bg-card-hover: #334155;
    
    --navy-primary: #0a1e4d;
    --blue-accent: #1e4fa1;
    --blue-glow: rgba(30, 79, 161, 0.35);
    
    --neon-green: #c7f000;
    --neon-green-glow: rgba(199, 240, 0, 0.3);
    
    --orange-cta: #ff8c1a;
    --orange-glow: rgba(255, 140, 26, 0.3);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    
    --border-color: #334155;
    --glass-border: rgba(255, 255, 255, 0.08);
    
    --status-planned: #e2e8f0;
    --status-reviewed: #f59e0b;
    --status-approved: #3b82f6;
    --status-installed: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 15%, rgba(30, 79, 161, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 90% 85%, rgba(199, 240, 0, 0.06) 0%, transparent 45%);
}

/* --------------------------------------------------------------------------
   HEADER & NAVBAR
   -------------------------------------------------------------------------- */
header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 200;
    padding: 0.85rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(199, 240, 0, 0.35));
    transition: transform 0.2s ease;
}

.brand-logo-img:hover {
    transform: scale(1.03);
}

.brand-info h1 {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.brand-info span {
    font-size: 0.72rem;
    color: var(--neon-green);
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.project-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-surface);
    padding: 0.4rem 0.8rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.project-selector-wrapper label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.project-select {
    background: transparent;
    color: var(--neon-green);
    font-weight: 700;
    border: none;
    outline: none;
    font-size: 0.9rem;
    cursor: pointer;
}

.project-select option {
    background: var(--bg-dark);
    color: var(--text-main);
}

/* BUTTONS */
.btn {
    padding: 0.55rem 1.1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-neon {
    background: var(--neon-green);
    color: var(--navy-primary);
    box-shadow: 0 4px 14px var(--neon-green-glow);
}

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(199, 240, 0, 0.5);
}

.btn-orange {
    background: var(--orange-cta);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--orange-glow);
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 26, 0.5);
}

.btn-secondary {
    background: var(--blue-accent);
    color: #ffffff;
}

.btn-secondary:hover {
    background: #2563eb;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   PROCESS NAVIGATION HUB (WT-001 to WT-010)
   -------------------------------------------------------------------------- */
.process-nav-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--blue-accent) var(--bg-surface);
}

.process-nav-bar::-webkit-scrollbar {
    height: 4px;
}

.process-nav-bar::-webkit-scrollbar-track {
    background: var(--bg-surface);
}

.process-nav-bar::-webkit-scrollbar-thumb {
    background: var(--blue-accent);
    border-radius: 4px;
}

.process-nav-bar::-webkit-scrollbar-thumb:hover {
    background: var(--neon-green);
}

.process-tab {
    padding: 0.9rem 1.1rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.83rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.process-tab:hover {
    color: var(--text-main);
}

.process-tab.active {
    color: var(--neon-green);
    border-bottom-color: var(--neon-green);
    background: rgba(199, 240, 0, 0.05);
}

.process-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.1);
}

.process-tab.active .process-badge {
    background: var(--neon-green);
    color: var(--navy-primary);
}

/* --------------------------------------------------------------------------
   MAIN LAYOUT & CARDS
   -------------------------------------------------------------------------- */
main {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
    width: 100%;
    flex: 1;
}

.process-content {
    display: none;
    animation: fadeIn 0.25s ease-out;
}

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

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

.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title span {
    color: var(--neon-green);
}

/* GRID LAYOUTS */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 992px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   METRICS & SCORE GAUGE
   -------------------------------------------------------------------------- */
.metric-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.metric-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--blue-accent);
}

.metric-box.accent-green::before { background: var(--neon-green); }
.metric-box.accent-orange::before { background: var(--orange-cta); }

.metric-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffffff;
    margin: 0.3rem 0;
}

.metric-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.score-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem;
}

.score-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 6px solid var(--neon-green);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--neon-green-glow);
}

.score-circle .num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--neon-green);
    line-height: 1;
}

.score-circle .sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   FORM CONTROLS & WIZARD STYLING
   -------------------------------------------------------------------------- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-main);
}

.form-control {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    color: #ffffff;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--blue-accent);
    box-shadow: 0 0 10px var(--blue-glow);
}

textarea.form-control {
    min-height: 90px;
    resize: vertical;
}

/* Range Slider Styling */
.range-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-surface);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.range-slider {
    flex: 1;
    accent-color: var(--neon-green);
    cursor: pointer;
}

.range-value-display {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--neon-green);
    min-width: 60px;
    text-align: right;
}

/* WIZARD STEP NAVIGATOR (WT-001) */
.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    background: var(--bg-surface);
    border-radius: 12px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}

.step-item {
    flex: 1;
    text-align: center;
    padding: 0.6rem 0.4rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.step-item.active {
    background: var(--navy-primary);
    color: var(--neon-green);
    border: 1px solid var(--blue-accent);
}

.step-item.completed {
    color: #ffffff;
}

.wizard-step-pane {
    display: none;
}

.wizard-step-pane.active {
    display: block;
}

/* --------------------------------------------------------------------------
   PHOTO GALLERY & CATEGORIZED UPLOADER
   -------------------------------------------------------------------------- */
.photo-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.photo-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.photo-card:hover {
    transform: translateY(-3px);
    border-color: var(--blue-accent);
}

.photo-preview-container {
    height: 180px;
    background: #090e17;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.photo-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    padding: 1rem;
}

.photo-badge-cat {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(10, 30, 77, 0.85);
    backdrop-filter: blur(4px);
    color: var(--neon-green);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 800;
    border: 1px solid var(--blue-accent);
}

.photo-card-body {
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    flex: 1;
}

.photo-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: #ffffff;
}

.photo-upload-btn-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--navy-primary);
    color: var(--neon-green);
    border: 1px solid var(--blue-accent);
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.photo-upload-btn-label:hover {
    background: var(--blue-accent);
    color: #ffffff;
}

.photo-input-file {
    display: none;
}

/* --------------------------------------------------------------------------
   TABLES & BADGES
   -------------------------------------------------------------------------- */
.table-responsive {
    overflow-x: auto;
    margin-top: 1rem;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.custom-table th {
    background: var(--navy-primary);
    color: #ffffff;
    text-align: left;
    padding: 0.8rem 1rem;
    font-weight: 700;
    border-bottom: 2px solid var(--blue-accent);
}

.custom-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.custom-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.custom-table tbody tr:hover {
    background: rgba(30, 79, 161, 0.15);
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    display: inline-block;
}

.badge-green { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid #10b981; }
.badge-orange { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid #f59e0b; }
.badge-red { background: rgba(239, 68, 68, 0.2); color: #ef4444; border: 1px solid #ef4444; }
.badge-blue { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid #3b82f6; }

/* FOOTER */
footer {
    border-top: 1px solid var(--border-color);
    padding: 1.2rem 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.95);
    margin-top: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* --------------------------------------------------------------------------
   CUSTOM DIALOG MODALS & PROCESS EXTENSIONS
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 540px;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(15px);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--neon-green);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.modal-close-btn:hover {
    color: #ffffff;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* NPS Rating Selector */
.nps-rating-group {
    display: flex;
    gap: 0.4rem;
    justify-content: space-between;
    margin: 1rem 0;
}

.nps-btn {
    flex: 1;
    padding: 0.6rem 0;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: #ffffff;
    font-weight: 800;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.nps-btn:hover, .nps-btn.active {
    background: var(--neon-green);
    color: var(--navy-primary);
    border-color: var(--neon-green);
    box-shadow: 0 0 12px var(--neon-green-glow);
}

/* KMS Knowledge Base Card */
.kms-article-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.2rem;
    transition: all 0.2s ease;
}

.kms-article-card:hover {
    border-color: var(--blue-accent);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   FULL-SCREEN LOGIN OVERLAY & SESSION STYLING
   -------------------------------------------------------------------------- */
.login-screen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(30, 79, 161, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(199, 240, 0, 0.12) 0%, transparent 50%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.login-screen-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.2rem;
    width: 100%;
    max-width: 440px;
    backdrop-filter: blur(16px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.login-header {
    text-align: center;
    margin-bottom: 0.5rem;
}

.login-logo-img {
    height: 64px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0.8rem;
    filter: drop-shadow(0 0 12px var(--neon-green-glow));
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
}

.login-header span {
    font-size: 0.78rem;
    color: var(--neon-green);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.login-error-box {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #f87171;
    padding: 0.7rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
}

.login-credentials-hint {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.8rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.user-session-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.8rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   PRINT & PDF PROPOSAL EXPORT STYLES (@media print)
   -------------------------------------------------------------------------- */
@media print {
    body {
        background: #ffffff !important;
        color: #0f172a !important;
        font-family: 'Plus Jakarta Sans', sans-serif !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    header, .process-nav-bar, .btn, .wizard-steps, footer, .modal-overlay, #wt3SignStatusBanner {
        display: none !important;
    }

    main {
        margin: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .process-content {
        display: none !important;
    }

    .process-content.active {
        display: block !important;
    }

    .card {
        background: #ffffff !important;
        color: #0f172a !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }

    .card-header {
        display: none !important;
    }

    .proposal-sheet {
        background: #ffffff !important;
        color: #0f172a !important;
        padding: 0 !important;
        border: none !important;
    }

    .proposal-sheet * {
        color: #0f172a !important;
        background: transparent !important;
    }

    .proposal-header {
        border-bottom: 2px solid #0a1e4d !important;
    }

    .proposal-title {
        color: #0a1e4d !important;
    }

    .tier-card {
        background: #f8fafc !important;
        border: 1px solid #cbd5e1 !important;
        color: #0f172a !important;
        page-break-inside: avoid;
    }

    .tier-featured {
        border: 2px solid #0a1e4d !important;
        background: #f0fdf4 !important;
    }

    .proposal-highlight-box {
        border: 2px solid #0a1e4d !important;
        background: #f8fafc !important;
    }

    .custom-table th {
        background: #0a1e4d !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        padding: 0.6rem 0.8rem !important;
    }

    .custom-table td {
        color: #0f172a !important;
        border-bottom: 1px solid #cbd5e1 !important;
        padding: 0.5rem 0.8rem !important;
    }

    .custom-table tr {
        page-break-inside: avoid !important;
    }

    .badge {
        border: 1px solid #0f172a !important;
        color: #0f172a !important;
        background: #f1f5f9 !important;
    }

    .proposal-sheet {
        page-break-after: auto;
    }
}