/**
 * Britamontes Brand Colors & Visual Identity
 * Version: 3.0 - Construction-Themed Design System
 *
 * CSS custom properties for consistent branding across the application.
 * Reference: /DOCS/VISUAL_IDENTITY.md v3.0
 */

:root {
    /* ========================================
       TYPOGRAPHY - Distinctive Font System
       ======================================== */

    --pgo-font-display: 'Montserrat', sans-serif;
    --pgo-font-heading: 'Archivo', sans-serif;
    --pgo-font-body: 'Karla', sans-serif;
    --pgo-font-mono: 'Fira Code', monospace;

    /* ========================================
       PRIMARY COLORS - Construction Materials
       ======================================== */

    /* Core Brand - Enhanced for vibrancy */
    --pgo-orange-primary: #FF6B00;
    --pgo-orange-dark: #D45500;
    --pgo-orange-light: #FFA34D;

    /* Legacy support (deprecated, use --pgo-orange-primary) */
    --pgo-orange: #FF6B00;

    /* Construction Materials Palette */
    --pgo-concrete: #3D3D3D;        /* Dark poured concrete */
    --pgo-steel: #5A6C7D;           /* Blue-gray steel beams */
    --pgo-copper: #B87333;          /* Copper pipes, warm metal */

    /* ========================================
       SHARP ACCENTS - High-Impact Colors
       ======================================== */

    --pgo-safety-yellow: #FFD700;   /* High-visibility safety gear */
    --pgo-warning-red: #E63946;     /* Stop signs, danger alerts */
    --pgo-success-green: #06D6A0;   /* Approval, completion states */
    --pgo-blueprint-blue: #1982C4;  /* Technical drawings, blueprints */

    /* ========================================
       BACKGROUNDS & SURFACES - Atmospheric
       ======================================== */

    --pgo-bg-primary: #FAFAF8;      /* Warm off-white, not pure white */
    --pgo-bg-secondary: #F5F3ED;    /* Sandstone, cement tone */
    --pgo-bg-elevated: #FFFFFF;     /* Cards, modals, raised surfaces */
    --pgo-bg-sunken: #E8E6E0;       /* Input fields, recessed areas */

    /* Legacy support */
    --pgo-white: #FFFFFF;
    --pgo-light-gray: #F5F5F5;
    --pgo-border: #DDDDDD;
    --pgo-text: #333333;
    --pgo-gray: #4A4A4A;

    /* Dark Theme Alternative */
    --pgo-dark-bg: #1A1A1A;         /* Not pure black */
    --pgo-dark-surface: #252525;
    --pgo-dark-elevated: #2D2D2D;

    /* ========================================
       GRADIENTS - Construction Atmosphere
       ======================================== */

    /* Construction Site Sunrise */
    --pgo-gradient-primary: linear-gradient(135deg, #FF6B00 0%, #FFD700 100%);

    /* Concrete Texture */
    --pgo-gradient-concrete: linear-gradient(180deg, #3D3D3D 0%, #5A6C7D 100%);

    /* Blueprint Background */
    --pgo-gradient-blueprint: linear-gradient(to bottom, #1982C4 0%, #0D4F8B 100%);

    /* Subtle Surface Depth */
    --pgo-gradient-surface: linear-gradient(145deg, #FAFAF8 0%, #F5F3ED 100%);

    /* Navigation Bar - Construction Sunset */
    --pgo-gradient-navbar: linear-gradient(135deg, #FF6B00 0%, #D45500 50%, #B87333 100%);

    /* Steel Beam Header */
    --pgo-gradient-steel: linear-gradient(180deg, #5A6C7D 0%, #4A5866 100%);

    /* ========================================
       SEMANTIC COLORS - For Easier Usage
       ======================================== */

    --pgo-primary: var(--pgo-orange-primary);
    --pgo-primary-hover: var(--pgo-orange-dark);
    --pgo-secondary: var(--pgo-steel);

    /* ========================================
       SPACING SCALE
       ======================================== */

    --pgo-space-xs: 4px;
    --pgo-space-sm: 8px;
    --pgo-space-md: 16px;
    --pgo-space-lg: 24px;
    --pgo-space-xl: 32px;
    --pgo-space-xxl: 48px;

    /* ========================================
       BORDER RADIUS
       ======================================== */

    --pgo-radius-sm: 4px;
    --pgo-radius-md: 8px;
    --pgo-radius-lg: 12px;

    /* ========================================
       TRANSITIONS & TIMING
       ======================================== */

    --pgo-transition: all 0.3s ease;
    --pgo-transition-fast: all 0.15s ease;
    --pgo-transition-slow: all 0.5s ease;
}

/* ========================================
   ANIMATION KEYFRAMES - Motion System
   ======================================== */

/* Page Load Orchestration - Staggered Reveal */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cell Edit Focus - Construction Laser Focus */
@keyframes cellFocus {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.4);
    }
    100% {
        box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
    }
}

/* Row Selection - Blueprint Highlight */
@keyframes rowSelect {
    from {
        background: rgba(255, 107, 0, 0);
    }
    to {
        background: linear-gradient(90deg,
            rgba(255, 107, 0, 0.05) 0%,
            rgba(255, 107, 0, 0.1) 100%);
    }
}

/* Filter Build - Construction Assembly */
@keyframes filterBuild {
    from {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* Success Checkmark - Build Animation */
@keyframes checkmarkBuild {
    0% {
        stroke-dashoffset: 100;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* Blueprint Line Draw */
@keyframes lineDrawRight {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* ========================================
   LOGO STYLES
   ======================================== */

.pgo-logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
    transition: var(--pgo-transition-fast);
}

.pgo-logo img {
    width: auto;
    height: 100%;
    max-height: 100%;
    display: block;
    object-fit: contain;
    transition: var(--pgo-transition-fast);
}

.pgo-logo:hover img {
    transform: scale(1.02);
    filter: brightness(1.1);
}

/* Logo Size Variants */
.pgo-logo-header {
    height: 80px;
    margin-bottom: -10px;
    margin-top: -10px;
    max-width: 280px;
}

.pgo-logo-footer {
    height: 40px;
}

.pgo-logo-small {
    height: 30px;
}

/* Responsive Logo Sizes */
@media (max-width: 768px) {
    .pgo-logo-header {
        height: 40px;
        max-width: 150px;
    }

    .demo-container {
        padding: 24px 16px;
    }

    .pgo-display-text {
        font-size: 2rem;
    }
}

/* ========================================
   TYPOGRAPHY - Applied Styles
   ======================================== */

*:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--pgo-success-green);
}

.invalid {
    outline: 1px solid var(--pgo-warning-red);
}

body {
    font-family: var(--pgo-font-body);
    font-size: 15px;
    line-height: 1.6;
    color: var(--pgo-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--pgo-font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h2 {
    font-size: 1.875rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.pgo-display-text {
    font-family: var(--pgo-font-display);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.pgo-mono-text,
code,
pre {
    font-family: var(--pgo-font-mono);
    font-variant-numeric: tabular-nums;
}

/* ========================================
   BUTTON STYLES - Enhanced
   ======================================== */

.btn-primary {
    background-color: var(--pgo-orange-primary);
    color: var(--pgo-white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-weight: 500;
    transition: var(--pgo-transition);
    box-shadow: 0 2px 4px rgba(255, 107, 0, 0.2);
}

.btn-primary:hover {
    background-color: var(--pgo-orange-dark);
    color: var(--pgo-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 107, 0, 0.3);
}

.btn-primary:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
}

.btn-secondary {
    background-color: var(--pgo-white);
    color: var(--pgo-concrete);
    border: 1px solid var(--pgo-steel);
    padding: 10px 20px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-weight: 500;
    transition: var(--pgo-transition);
}

.btn-secondary:hover {
    background-color: var(--pgo-bg-secondary);
    border-color: var(--pgo-orange-primary);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
}

.btn-danger {
    background-color: var(--pgo-warning-red);
    color: var(--pgo-white);
    border: none;
    padding: 10px 20px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-weight: 500;
    transition: var(--pgo-transition);
    box-shadow: 0 2px 4px rgba(230, 57, 70, 0.2);
}

.btn-danger:hover {
    background-color: #c5303b;
    color: var(--pgo-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(230, 57, 70, 0.3);
}

.btn-danger:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
}

.btn-outline-primary {
    background-color: var(--pgo-white);
    color: var(--pgo-orange-primary);
    border: 1px solid var(--pgo-orange-primary);
    padding: 10px 20px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-weight: 500;
    transition: var(--pgo-transition);
}

.btn-outline-primary:hover {
    background-color: var(--pgo-orange-primary);
    color: var(--pgo-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 107, 0, 0.3);
}

.btn-outline-primary:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
}

/* ========================================
   LINK STYLES
   ======================================== */

a.pgo-link {
    color: var(--pgo-orange-primary);
    text-decoration: none;
    transition: var(--pgo-transition);
    position: relative;
}

a.pgo-link:hover {
    color: var(--pgo-orange-dark);
}

a.pgo-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--pgo-orange-primary);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a.pgo-link:hover::after {
    width: 100%;
}

/* ========================================
   NAVIGATION STYLES - Construction Sunset
   ======================================== */

.pgo-navbar {
    background: var(--pgo-gradient-navbar);
    color: var(--pgo-white);
    padding: var(--pgo-space-lg) var(--pgo-space-xl);
    position: relative;
}

/* Subtle construction site texture overlay */
.pgo-navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.03) 2px,
            rgba(0, 0, 0, 0.03) 4px
        );
    pointer-events: none;
    opacity: 0.3;
}

.pgo-navbar a {
    color: var(--pgo-white);
    text-decoration: none;
    padding: var(--pgo-space-sm) var(--pgo-space-md);
    transition: var(--pgo-transition);
    position: relative;
}

.pgo-navbar a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--pgo-safety-yellow);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pgo-navbar a:hover::after,
.pgo-navbar a.active::after {
    width: 100%;
}

.pgo-navbar a:hover,
.pgo-navbar a.active {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: var(--pgo-radius-sm);
}

/* ========================================
   TABLE STYLES
   ======================================== */

.pgo-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--pgo-border);
    font-family: var(--pgo-font-body);
}

.pgo-table thead {
    background: var(--pgo-gradient-steel);
    color: var(--pgo-white);
    position: relative;
}

.pgo-table thead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--pgo-gradient-primary);
}

.pgo-table th,
.pgo-table td {
    padding: var(--pgo-space-sm) var(--pgo-space-md);
    text-align: left;
    border: 1px solid var(--pgo-border);
}

.pgo-table tbody tr:nth-child(even) {
    background-color: var(--pgo-bg-secondary);
}

.pgo-table tbody tr {
    transition: all 0.2s ease;
}

.pgo-table tbody tr:hover {
    box-shadow: inset 3px 0 0 var(--pgo-orange-primary);
    background: linear-gradient(90deg,
        rgba(255, 107, 0, 0.02) 0%,
        transparent 100%);
}

/* ========================================
   CARD STYLES - Elevated Construction Materials
   ======================================== */

.pgo-card {
    background: var(--pgo-gradient-surface);
    border: 1px solid rgba(90, 108, 125, 0.15);
    border-radius: var(--pgo-radius-md);
    padding: var(--pgo-space-lg);
    box-shadow:
        0 1px 3px rgba(61, 61, 61, 0.06),
        0 8px 24px rgba(61, 61, 61, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    position: relative;
}

/* Corner Brackets - Construction Framing */
.pgo-card::before,
.pgo-card::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--pgo-orange-primary);
}

.pgo-card::before {
    top: 8px;
    left: 8px;
    border-right: none;
    border-bottom: none;
}

.pgo-card::after {
    bottom: 8px;
    right: 8px;
    border-left: none;
    border-top: none;
}

.pgo-card-header {
    color: var(--pgo-orange-primary);
    font-family: var(--pgo-font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--pgo-space-md);
}

/* ========================================
   FORM STYLES
   ======================================== */

.pgo-form-group {
    margin-bottom: var(--pgo-space-md);
}

.pgo-form-label {
    display: block;
    color: var(--pgo-concrete);
    font-family: var(--pgo-font-body);
    font-weight: 500;
    margin-bottom: var(--pgo-space-xs);
}

.pgo-form-input {
    width: 100%;
    padding: var(--pgo-space-sm) var(--pgo-space-md);
    border: 1px solid var(--pgo-border);
    border-radius: var(--pgo-radius-sm);
    font-family: var(--pgo-font-body);
    font-size: 14px;
    background-color: var(--pgo-white);
    transition: var(--pgo-transition);
}

.pgo-form-input:focus {
    outline: none;
    border-color: var(--pgo-orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.15);
    background-color: var(--pgo-white);
}

.pgo-form-input:disabled {
    background-color: var(--pgo-bg-sunken);
}

select.pgo-form-input {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.pgo-text-primary {
    color: var(--pgo-orange-primary);
}

.pgo-text-secondary {
    color: var(--pgo-steel);
}

.pgo-text-muted {
    color: var(--pgo-text);
    opacity: 0.7;
}

.pgo-bg-primary {
    background-color: var(--pgo-orange-primary);
}

.pgo-bg-light {
    background-color: var(--pgo-bg-secondary);
}

.pgo-bg-white {
    background-color: var(--pgo-white);
}

.pgo-border {
    border: 1px solid var(--pgo-border);
}

/* Spacing Utilities */
.pgo-mt-1 { margin-top: var(--pgo-space-xs); }
.pgo-mt-2 { margin-top: var(--pgo-space-sm); }
.pgo-mt-3 { margin-top: var(--pgo-space-md); }
.pgo-mt-4 { margin-top: var(--pgo-space-lg); }
.pgo-mt-5 { margin-top: var(--pgo-space-xl); }

.pgo-mb-1 { margin-bottom: var(--pgo-space-xs); }
.pgo-mb-2 { margin-bottom: var(--pgo-space-sm); }
.pgo-mb-3 { margin-bottom: var(--pgo-space-md); }
.pgo-mb-4 { margin-bottom: var(--pgo-space-lg); }
.pgo-mb-5 { margin-bottom: var(--pgo-space-xl); }

.pgo-p-1 { padding: var(--pgo-space-xs); }
.pgo-p-2 { padding: var(--pgo-space-sm); }
.pgo-p-3 { padding: var(--pgo-space-md); }
.pgo-p-4 { padding: var(--pgo-space-lg); }
.pgo-p-5 { padding: var(--pgo-space-xl); }

/* ========================================
   DATA GRID / SPREADSHEET STYLES
   ======================================== */

.pgo-data-grid-container {
    background:
        /* Subtle blueprint grid pattern */
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 24px,
            rgba(25, 130, 196, 0.015) 24px,
            rgba(25, 130, 196, 0.015) 25px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 24px,
            rgba(25, 130, 196, 0.015) 24px,
            rgba(25, 130, 196, 0.015) 25px
        ),
        linear-gradient(to bottom,
            var(--pgo-bg-primary) 0%,
            var(--pgo-bg-secondary) 100%
        );
    padding: var(--pgo-space-lg);
    min-height: 100vh;
}

.pgo-grid-wrapper {
    background-color: var(--pgo-white);
    border: 1px solid var(--pgo-steel);
    border-radius: var(--pgo-radius-sm);
    overflow: hidden;
    box-shadow:
        0 4px 12px rgba(61, 61, 61, 0.08),
        0 1px 3px rgba(61, 61, 61, 0.12);
}

.pgo-grid {
    background-color: var(--pgo-white);
    width: 100%;
    border-collapse: collapse;
    font-family: var(--pgo-font-body);
    font-size: 14px;
}

/* Grid Header - Steel Beam Aesthetic */
.pgo-grid thead {
    background: var(--pgo-gradient-steel);
    color: var(--pgo-white);
    position: sticky;
    top: 0;
    z-index: 10;
}

.pgo-grid thead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--pgo-gradient-primary);
}

.pgo-grid thead th {
    padding: 10px 12px;
    text-align: left;
    font-family: var(--pgo-font-heading);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--pgo-border);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    cursor: pointer;
    transition: var(--pgo-transition-fast);
}

.pgo-grid thead th:hover {
    background-color: rgba(0, 0, 0, 0.15);
}

.pgo-grid tbody td {
    padding: 8px 12px;
    border: 1px solid #E5E5E5;
    background-color: transparent;
    transition: var(--pgo-transition-fast);
}

.pgo-grid tbody tr {
    transition: all 0.2s ease;
    background-color: var(--pgo-white);
}

.pgo-grid tbody tr:hover {
    background: linear-gradient(90deg,
        rgba(255, 107, 0, 0.02) 0%,
        transparent 100%);
    box-shadow: inset 3px 0 0 var(--pgo-orange-primary);
}

.pgo-grid tbody tr.selected {
    background: linear-gradient(90deg,
        rgba(255, 107, 0, 0.05) 0%,
        rgba(255, 107, 0, 0.1) 100%);
    animation: rowSelect 0.3s ease-out;
}

/* Editable Cells */
.pgo-grid-cell-editable {
    cursor: text;
    position: relative;
}

.pgo-grid-cell-editable:hover {
    border-color: #CCCCCC;
}

.pgo-grid-cell-editing {
    border: 2px solid var(--pgo-orange-primary) !important;
    padding: 6px 10px;
    animation: cellFocus 0.3s ease-out;
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
}

.pgo-grid-cell-editing input {
    width: 100%;
    border: none;
    outline: none;
    padding: 0;
    background: transparent;
    font-family: var(--pgo-font-body);
    font-size: 14px;
}

/* Row Selection Checkbox */
.pgo-grid-checkbox {
    width: 40px;
    text-align: center;
}

.pgo-grid-checkbox input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
}

/* Sortable Column Indicators */
.pgo-grid-sort-icon {
    display: inline-block;
    margin-left: 4px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.pgo-grid-actions > a {
    display: inline-block;
    margin-right: 6px;
}

/* ========================================
   ADVANCED FILTERING SYSTEM - Blueprint
   ======================================== */

.pgo-filter-panel {
    background:
        /* Blueprint graph paper - fine grid */
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 19px,
            rgba(25, 130, 196, 0.04) 19px,
            rgba(25, 130, 196, 0.04) 20px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 19px,
            rgba(25, 130, 196, 0.04) 19px,
            rgba(25, 130, 196, 0.04) 20px
        ),
        /* Every 5th line darker (like graph paper) */
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 99px,
            rgba(25, 130, 196, 0.08) 99px,
            rgba(25, 130, 196, 0.08) 100px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 99px,
            rgba(25, 130, 196, 0.08) 99px,
            rgba(25, 130, 196, 0.08) 100px
        ),
        #FFFFFF;
    border: 2px solid var(--pgo-blueprint-blue);
    border-radius: var(--pgo-radius-sm);
    padding: var(--pgo-space-md);
    margin-bottom: var(--pgo-space-md);
    box-shadow:
        0 2px 8px rgba(25, 130, 196, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    animation: slideInUp 0.6s ease-out 0.1s;
    animation-fill-mode: both;
}

.pgo-filter-row {
    display: flex;
    gap: var(--pgo-space-sm);
    align-items: center;
    margin-bottom: var(--pgo-space-sm);
    flex-wrap: wrap;
    animation: filterBuild 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pgo-filter-logic {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--pgo-border);
    border-radius: 3px;
    font-family: var(--pgo-font-mono);
    font-size: 11px;
    font-weight: 600;
    background-color: var(--pgo-white);
    color: var(--pgo-concrete);
    text-transform: uppercase;
}

.pgo-filter-field,
.pgo-filter-operator {
    min-width: 150px;
    padding: 6px 10px;
    border: 1px solid var(--pgo-border);
    border-radius: 3px;
    font-family: var(--pgo-font-body);
    font-size: 14px;
    background-color: var(--pgo-white);
    transition: var(--pgo-transition-fast);
}

.pgo-filter-field:focus,
.pgo-filter-operator:focus {
    border-color: var(--pgo-blueprint-blue);
    box-shadow: 0 0 0 2px rgba(25, 130, 196, 0.1);
    outline: none;
}

.pgo-filter-value {
    min-width: 200px;
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--pgo-border);
    border-radius: 3px;
    font-family: var(--pgo-font-body);
    font-size: 14px;
    transition: var(--pgo-transition-fast);
}

.pgo-filter-value:focus {
    border-color: var(--pgo-blueprint-blue);
    box-shadow: 0 0 0 2px rgba(25, 130, 196, 0.1);
    outline: none;
}

.pgo-filter-remove {
    background: none;
    border: none;
    color: #999999;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: var(--pgo-transition);
}

.pgo-filter-remove:hover {
    color: var(--pgo-orange-primary);
    transform: rotate(90deg);
}

.pgo-filter-actions {
    display: flex;
    gap: var(--pgo-space-sm);
    margin-top: var(--pgo-space-sm);
}

.pgo-filter-add-btn {
    background-color: var(--pgo-white);
    border: 2px solid var(--pgo-steel);
    color: var(--pgo-concrete);
    padding: 6px 16px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-size: 14px;
    font-weight: 500;
    transition: var(--pgo-transition);
}

.pgo-filter-add-btn:hover {
    background-color: var(--pgo-bg-secondary);
    border-color: var(--pgo-orange-primary);
}

.pgo-filter-clear-btn {
    background-color: var(--pgo-white);
    border: 1px solid var(--pgo-border);
    color: var(--pgo-concrete);
    padding: 6px 16px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-size: 14px;
    transition: var(--pgo-transition);
}

.pgo-filter-clear-btn:hover {
    background-color: var(--pgo-light-gray);
}

/* ========================================
   ACTION BAR (Add Row, Delete Selected)
   ======================================== */

.pgo-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--pgo-space-md);
    animation: slideInUp 0.6s ease-out 0.2s;
    animation-fill-mode: both;
}

.pgo-action-bar-left {
    display: flex;
    gap: var(--pgo-space-sm);
}

.pgo-action-bar-right {
    display: flex;
    gap: var(--pgo-space-sm);
}

.pgo-btn-add-row,
.pgo-btn-delete-selected {
    background: var(--pgo-gradient-primary);
    color: var(--pgo-white);
    border: none;
    padding: 8px 20px;
    border-radius: var(--pgo-radius-sm);
    cursor: pointer;
    font-family: var(--pgo-font-body);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(255, 107, 0, 0.25);
    transition: var(--pgo-transition);
}

.pgo-btn-add-row:hover,
.pgo-btn-delete-selected:hover {
    background: var(--pgo-orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.35);
}

.pgo-btn-add-row:active,
.pgo-btn-delete-selected:active {
    transform: scale(0.96);
}

.pgo-btn-delete-selected:disabled {
    background: linear-gradient(135deg, #CCCCCC 0%, #AAAAAA 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ========================================
   CONSTRUCTION THEME ELEMENTS
   ======================================== */

/* Status Badges - Construction Site Signs */
.pgo-status-badge {
    font-family: var(--pgo-font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 4px 12px;
    border: 2px solid currentColor;
    border-radius: 3px;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.pgo-status-pending {
    background-color: var(--pgo-safety-yellow);
    color: var(--pgo-concrete);
    border-color: var(--pgo-concrete);
}

.pgo-status-approved {
    background-color: var(--pgo-success-green);
    color: var(--pgo-white);
    border-color: var(--pgo-white);
}

.pgo-status-rejected {
    background-color: var(--pgo-warning-red);
    color: var(--pgo-white);
    border-color: var(--pgo-white);
}

.pgo-status-in-progress {
    background-color: var(--pgo-blueprint-blue);
    color: var(--pgo-white);
    border-color: var(--pgo-white);
}

/* ========================================
   HOME PAGE - Role-Based Welcome
   ======================================== */

.pgo-welcome-title {
    color: var(--pgo-orange-primary);
    font-family: var(--pgo-font-heading);
    font-weight: 600;
    margin-bottom: var(--pgo-space-lg);
}


.pgo-home-instruction {
    color: var(--pgo-steel);
    margin-top: var(--pgo-space-md);
    margin-bottom: 0;
}

/* Budget Progress Bar - Construction Zones */
.pgo-budget-bar {
    width: 100%;
    height: 24px;
    background-color: var(--pgo-bg-sunken);
    border-radius: var(--pgo-radius-sm);
    overflow: hidden;
    position: relative;
}

.pgo-budget-bar-fill {
    height: 100%;
    background: linear-gradient(90deg,
        var(--pgo-success-green) 0%,
        var(--pgo-success-green) 80%,
        var(--pgo-safety-yellow) 80%,
        var(--pgo-safety-yellow) 95%,
        var(--pgo-warning-red) 95%
    );
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pgo-budget-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--pgo-font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--pgo-concrete);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* Success Save Animation */
.pgo-save-success svg path {
    stroke-dasharray: 100;
    animation: checkmarkBuild 0.6s ease-out forwards;
}

/* ========================================
   RESPONSIVE DATA GRID
   ======================================== */

@media (max-width: 768px) {
    .pgo-filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .pgo-filter-field,
    .pgo-filter-operator,
    .pgo-filter-value {
        width: 100%;
        min-width: auto;
    }

    .pgo-action-bar {
        flex-direction: column;
        gap: var(--pgo-space-sm);
    }

    .pgo-action-bar-left,
    .pgo-action-bar-right {
        width: 100%;
        justify-content: stretch;
    }

    .pgo-action-bar-right button {
        flex: 1;
    }

    .pgo-display-text {
        font-size: 2rem;
    }

    h1 {
        font-size: 1.75rem;
    }
}

/* ========================================
   LOGIN PAGE STYLES
   ======================================== */

.pgo-login {
    width: 500px;
    margin: 0 auto;
    padding: 48px 40px;
}

.pgo-login-header {
    text-align: center;
    margin-bottom: 32px;
}

.pgo-login-title {
    font-family: var(--pgo-font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--pgo-orange-primary);
    margin: 0 0 8px 0;
}

.pgo-login-subtitle {
    font-family: var(--pgo-font-body);
    font-size: 16px;
    color: var(--pgo-steel);
    margin: 0;
}

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

.pgo-login .pgo-form-label {
    font-family: var(--pgo-font-heading);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--pgo-concrete);
    margin-bottom: 8px;
}

.pgo-login .pgo-form-input {
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid var(--pgo-border);
    border-radius: var(--pgo-radius-sm);
    background-color: var(--pgo-white);
    width: 100%;
    box-sizing: border-box;
}

.pgo-login .pgo-form-input::placeholder {
    color: #999;
}

.pgo-login-button {
    width: 100%;
    padding: 14px 24px;
    margin-top: 24px;
    background: var(--pgo-gradient-primary);
    color: var(--pgo-white);
    border: none;
    border-radius: var(--pgo-radius-sm);
    font-family: var(--pgo-font-heading);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pgo-transition);
    box-shadow: 0 2px 8px rgba(255, 107, 0, 0.3);
}

.pgo-login-button:hover {
    background: var(--pgo-orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.4);
}

.pgo-login-button:active {
    transform: scale(0.98);
}

.pgo-validation-summary {
    background-color: rgba(230, 57, 70, 0.1);
    border: 1px solid var(--pgo-warning-red);
    border-radius: var(--pgo-radius-sm);
    padding: 12px 34px;
    margin-bottom: 20px;
    color: var(--pgo-warning-red);
    font-size: 14px;
}

.pgo-validation-message {
    color: var(--pgo-warning-red);
    font-size: 13px;
    margin-top: 4px;
}

/* ========================================
   CONTENT CONTAINER
   ======================================== */

.pgo-content {
    min-height: calc(100vh - 200px);
    background: var(--pgo-bg-primary);
}

.demo-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 48px 24px;
}

/* ========================================
   BLAZOR ERROR BOUNDARY
   ======================================== */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ========================================
   PAGE HEADER
   ======================================== */

.pgo-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--pgo-space-md);
    margin-bottom: var(--pgo-space-lg);
    border-bottom: 3px solid var(--pgo-orange-primary);
}

.pgo-page-header h1 {
    margin: 0;
    color: var(--pgo-concrete);
}

.pgo-page-header-actions {
    display: flex;
    gap: var(--pgo-space-md);
}

.pgo-form-actions {
    display: flex;
    gap: var(--pgo-space-md);
    justify-content: flex-end;
    margin-top: var(--pgo-space-lg);
}

.pgo-grid-container {
    margin-top: var(--pgo-space-lg);
}

/* ========================================
   INFO GRID - Read-only field display
   ======================================== */

.pgo-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pgo-space-lg) var(--pgo-space-xl);
    padding: var(--pgo-space-md) 0;
    border-bottom: 1px solid var(--pgo-border);
}

.pgo-info-grid:last-child {
    border-bottom: none;
}

.pgo-info-label {
    display: block;
    color: var(--pgo-steel);
    font-family: var(--pgo-font-heading);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--pgo-space-xs);
}

.pgo-info-value {
    color: var(--pgo-concrete);
    font-family: var(--pgo-font-body);
    font-size: 15px;
    font-weight: 500;
}

.pgo-info-value-financial {
    color: var(--pgo-concrete);
    font-family: var(--pgo-font-heading);
    font-size: 17px;
    font-weight: 700;
}

.pgo-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--pgo-space-md);
}

.pgo-section-header h2 {
    color: var(--pgo-orange-primary);
    font-family: var(--pgo-font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

/* ========================================
   PAGINATION
   ======================================== */

.pgo-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--pgo-space-lg);
    padding: var(--pgo-space-md) 0;
}

.pgo-pagination-info {
    color: var(--pgo-steel);
    font-size: 14px;
}

.pgo-pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--pgo-space-md);
}

.pgo-pagination-btn {
    padding: 8px 16px;
    border: 1px solid var(--pgo-border);
    border-radius: var(--pgo-radius-sm);
    background: var(--pgo-white);
    color: var(--pgo-concrete);
    font-family: var(--pgo-font-body);
    font-size: 14px;
    cursor: pointer;
    transition: var(--pgo-transition);
}

.pgo-pagination-btn:hover:not(:disabled) {
    border-color: var(--pgo-orange-primary);
    color: var(--pgo-orange-primary);
}

.pgo-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pgo-pagination-current {
    color: var(--pgo-concrete);
    font-weight: 500;
}

/* ========================================
   FILTER PANEL
   ======================================== */

.pgo-filter-single {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pgo-space-md);
    align-items: flex-end;
    margin-top: -6px;
}

.pgo-filter-single-group {
    display: flex;
    flex-direction: column;
    gap: var(--pgo-space-xs);
}

.pgo-filter-single-group:first-child {
    flex: 1;
    min-width: 250px;
}

.pgo-filter-single-label {
    font-family: var(--pgo-font-heading);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--pgo-steel);
}

.pgo-filter-single-input,
.pgo-filter-single-select {
    padding: 10px 14px;
    border: 1px solid var(--pgo-border);
    border-radius: var(--pgo-radius-sm);
    font-family: var(--pgo-font-body);
    font-size: 14px;
    background-color: var(--pgo-white);
    transition: var(--pgo-transition);
    min-width: 150px;
    height: 40px;
}

.pgo-filter-single-select {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
}

.pgo-filter-single-select-sm {
    min-width: 80px;
}

.pgo-filter-single-input:focus,
.pgo-filter-single-select:focus {
    outline: none;
    border-color: var(--pgo-orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.pgo-filter-single-input::placeholder {
    color: #999;
}

.pgo-filter-single-actions {
    display: flex;
    gap: var(--pgo-space-sm);
    align-items: flex-end;
}

.pgo-filter-single-actions > button {
    line-height: 20px;
    max-height: 40px;
}

/* ========================================
   USER FORM STYLES
   ======================================== */

.pgo-user-form-row {
    display: flex;
    gap: var(--pgo-space-md);
}

.pgo-user-form-half {
    flex: 1;
    min-width: 0;
}

.pgo-success-message {
    background-color: rgba(6, 214, 160, 0.1);
    border: 1px solid var(--pgo-success-green);
    border-radius: var(--pgo-radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    color: #047857;
    font-size: 14px;
}

@media (max-width: 768px) {
    .pgo-user-form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* ========================================
   FORMULA BOX
   ======================================== */

.pgo-formula-box {
    background-color: var(--pgo-bg-secondary);
    border: 1px solid var(--pgo-orange-light);
    border-left: 4px solid var(--pgo-orange-primary);
    border-radius: var(--pgo-radius-sm);
    padding: 16px 20px;
    margin-bottom: 24px;
}

.pgo-formula-box p {
    margin: 0;
}

.pgo-formula-box p + p {
    margin-top: 4px;
}

/* ========================================
   LOADING BAR
   ======================================== */

.pgo-loading-bar {
    position: relative;
    width: 100%;
    height: 8px;
    background: var(--pgo-concrete);
    overflow: hidden;
    z-index: 99;
    margin-bottom: -8px;
}

.pgo-loading-bar-progress {
    height: 100%;
    width: 40%;
    background: var(--pgo-steel);
}

.pgo-loading-bar-progress.pgo-hidden {
    visibility: hidden;
}

.pgo-loading-bar-progress:not(.pgo-hidden) {
    animation: pgo-loading-slide 1.2s ease-in-out infinite;
    will-change: transform;
}

@keyframes pgo-loading-slide {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(250%);
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .pgo-navbar,
    .pgo-action-bar,
    .pgo-filter-panel {
        display: none;
    }

    .pgo-data-grid-container {
        background: white;
        padding: 0;
    }

    .pgo-grid thead {
        background: var(--pgo-concrete) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}