/**
 * Brotech Agency OS — Core Design System Stylesheet
 * Strict Light Theme conforming to UI_UX_GUIDELINES.md
 */

:root {
    /* Base Neutral Tones */
    --color-bg-app:        #F8FAFC;  /* Slate 50: Canvas background */
    --color-bg-surface:    #FFFFFF;  /* Pure White: Cards, tables, modals */
    --color-bg-subtle:     #F1F5F9;  /* Slate 100: Table headers, hover highlights */
    --color-bg-muted:      #E2E8F0;  /* Slate 200: Disabled inputs, skeletons */

    /* Typography & Hierarchy */
    --color-text-main:     #0A0D14;  /* Deep Obsidian: Crystal-clear primary text */
    --color-text-muted:    #4E5566;  /* Slate 600: Secondary descriptions, labels */
    --color-text-subtle:   #9AA4B2;  /* Slate 400: Placeholders, timestamps, subtle borders */

    /* Border & Divider System */
    --color-border-subtle: #E8EDF5;  /* Soft hairline border */
    --color-border-strong: #CBD5E1;  /* Interactive input borders */

    /* Signature Brand Accent: Luminous Electric Iris & Deep Violet */
    --color-primary:       #6366F1;  /* Electric Iris: Primary actions, active highlights */
    --color-primary-hover: #4F46E5;  /* Deep Indigo: Hover state */
    --color-primary-light: #EEF2FF;  /* Soft Iris Tint: Active badges & pills */
    --color-primary-focus: rgba(99, 102, 241, 0.25); /* Glow focus rings */
    --color-primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);

    /* Semantic Status Colors */
    --color-success:       #10B981;  /* Emerald Mint: Paid, Accepted, On Track */
    --color-success-bg:    #ECFDF5;  /* Mint 50: Success badge background */
    --color-warning:       #F59E0B;  /* Amber Gold: Partially Paid, Expiring */
    --color-warning-bg:    #FFFBEB;  /* Amber 50: Warning badge background */
    --color-danger:        #F43F5E;  /* Coral Rose: Overdue, Rejected, Cancelled */
    --color-danger-bg:     #FFF1F2;  /* Rose 50: Danger badge background */
    --color-info:          #0EA5E9;  /* Sky Blue: In Progress, Retainer */
    --color-info-bg:       #F0F9FF;  /* Sky 50: Info badge background */

    /* Glassmorphic Surfaces */
    --glass-bg:            rgba(255, 255, 255, 0.85);
    --glass-border:        rgba(232, 237, 245, 0.9);
    --glass-blur:          blur(20px) saturate(180%);
    --shadow-glow:         0 0 24px -4px rgba(99, 102, 241, 0.16);

    /* Elevation & Shadows — Apple/iOS Subdued Depth */
    --shadow-subtle:       0 1px 3px 0 rgba(15, 23, 42, 0.03), 0 1px 2px -1px rgba(15, 23, 42, 0.03);
    --shadow-elevated:     0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-floating:     0 14px 34px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
    --shadow-modal:        0 24px 48px -12px rgba(15, 23, 42, 0.18), 0 8px 16px -4px rgba(15, 23, 42, 0.08);

    /* Radii — Apple/iOS Rounded Curvature */
    --radius-sm:           8px;
    --radius-md:           12px;
    --radius-lg:           16px;
    --radius-xl:           20px;
    --radius-2xl:          24px;
    --radius-pill:         9999px;

    /* Animation Timing */
    --ease-spring:         cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce:         cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Spacing Grid */
    --space-1:             4px;
    --space-2:             8px;
    --space-3:             12px;
    --space-4:             16px;
    --space-5:             20px;
    --space-6:             24px;
    --space-8:             32px;
    --space-12:            48px;

    /* Sizing */
    --sidebar-width:       240px;
    --topbar-height:       60px;
    --bottombar-height:    64px;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    background-color: var(--color-bg-app);
    color: var(--color-text-main);
    font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .c-card__title, .c-topbar__title {
    letter-spacing: -0.025em;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Tabular Lining Figures for Numbers */
.u-font-mono, .c-stat-card__val, .c-table td.u-num, .c-table th.u-num {
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-feature-settings: "tnum" 1, "zero" 1;
    letter-spacing: -0.02em;
}

/* Interactive Cursor Enforcement */
button, [role="button"], select, .c-btn, a, .c-stat-card, .c-action-card, .c-table tbody tr {
    cursor: pointer;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}
a:hover {
    color: var(--color-primary-hover);
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Accessible Skip Navigation Link (WCAG 2.4.1) */
.c-skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--color-primary);
    color: #FFFFFF !important;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 13px;
    z-index: 99999;
    box-shadow: var(--shadow-modal);
    transition: top 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}
.c-skip-link:focus,
.c-skip-link:focus-visible {
    top: 16px;
}

/* Master Layout Architecture */
.c-app-layout {
    display: flex;
    min-height: 100vh;
}

/* Desktop Sidebar Navigation */
.c-sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-bg-surface);
    border-right: 1px solid var(--color-border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.c-sidebar__header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 var(--space-5);
    border-bottom: 1px solid var(--color-border-subtle);
}

.c-sidebar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
}

.c-sidebar__brand-badge {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.c-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.c-sidebar__section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle);
    padding: var(--space-3) var(--space-3) var(--space-1);
    margin-top: var(--space-2);
}

.c-sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 8px 12px;
    color: var(--color-text-muted);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
}

.c-sidebar__link:hover {
    color: var(--color-text-main);
    background-color: var(--color-bg-subtle);
}

.c-sidebar__link.is-active {
    color: var(--color-primary);
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0.03) 100%);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--color-primary);
}

.c-sidebar__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.c-sidebar__footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.c-sidebar__user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    overflow: hidden;
}

.c-sidebar__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-bg-subtle);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    border: 1px solid var(--color-border-strong);
}

.c-sidebar__user-info {
    line-height: 1.2;
}

.c-sidebar__user-name {
    font-weight: 600;
    color: var(--color-text-main);
    font-size: 13px;
}

.c-sidebar__user-role {
    font-size: 11px;
    color: var(--color-text-subtle);
}

/* Main Content Wrapper */
.c-main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Top Executive Bar — Frosted Glassmorphism */
.c-topbar {
    height: var(--topbar-height);
    background-color: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    position: sticky;
    top: 0;
    z-index: 30;
}

.c-topbar__title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text-main);
}

.c-topbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Page Body Container */
.c-page-content {
    flex: 1;
    padding: var(--space-8);
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
}

/* Buttons */
.c-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1;
    min-height: 38px;
    user-select: none;
}

.c-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px var(--color-primary);
}

.c-btn:active {
    transform: scale(0.98);
}

.c-btn--primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-subtle);
}
.c-btn--primary:hover {
    background-color: var(--color-primary-hover);
    color: #FFFFFF;
}

.c-btn--secondary {
    background-color: var(--color-bg-surface);
    color: var(--color-text-main);
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-subtle);
}
.c-btn--secondary:hover {
    background-color: var(--color-bg-subtle);
}

.c-btn--danger {
    background-color: var(--color-danger);
    color: #FFFFFF;
    box-shadow: var(--shadow-subtle);
}
.c-btn--danger:hover {
    background-color: #B91C1C;
}

.c-btn--sm {
    padding: 6px 10px;
    font-size: 12px;
    min-height: 30px;
}

.btn-remove-row {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-danger);
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
}
.btn-remove-row:hover,
.btn-remove-row:focus-visible {
    background-color: var(--color-danger-bg);
    outline: none;
}
.btn-remove-row:active {
    transform: scale(0.92);
}

/* Badges (Pills) */
.c-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1;
}

.c-badge--success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}
.c-badge--warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}
.c-badge--danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}
.c-badge--info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
}
.c-badge--neutral {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-muted);
}

/* Custom Two-Tone SVG Iconography System */
.c-icon-duo {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}
.c-icon-duo__fill {
    fill: currentColor;
    opacity: 0.16;
}
.c-icon-duo__stroke {
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

/* Executive Segmented Controls (iOS / macOS Style Filter Bar) */
.c-segmented-control {
    display: inline-flex;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    align-items: center;
    background-color: var(--color-bg-subtle);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    gap: 2px;
}

.c-segmented-control::-webkit-scrollbar {
    display: none;
}

.c-segmented-item {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: transparent;
    border: none;
    transition: all 0.18s var(--ease-spring);
    text-decoration: none;
    line-height: 1.2;
    user-select: none;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .c-segmented-item {
        padding: 5px 8px;
        font-size: 11px;
    }
}

.c-segmented-item:hover {
    color: var(--color-text-main);
}

.c-segmented-item.is-active {
    background-color: #FFFFFF;
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
}

/* Cards & Surface Containers */
/* Responsive Visibility Utility Helpers */
@media (min-width: 769px) {
    .u-mobile-only {
        display: none !important;
    }
}
@media (max-width: 768px) {
    .u-desktop-only {
        display: none !important;
    }
}

/* Cards & Surface Containers — iOS Rounded Bento Style */
.c-card {
    background-color: var(--color-bg-surface);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-subtle);
    overflow: hidden;
    margin-bottom: var(--space-5);
    min-width: 0;
    transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-spring);
}

.c-card__header {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.c-card__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.015em;
}

.c-card__body {
    padding: 20px;
}

/* Native Mobile Card List (Replaces wide data tables on mobile screens) */
.c-mobile-card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
}

.c-mobile-item-card {
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
    transition: transform 0.15s var(--ease-spring), box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
    -webkit-tap-highlight-color: transparent;
}

.c-mobile-item-card:active {
    transform: scale(0.985);
    background-color: #F8FAFC;
}

.c-mobile-item-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.c-mobile-item-card__code {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary);
}

.c-mobile-item-card__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-main);
    line-height: 1.3;
}

.c-mobile-item-card__footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--color-bg-subtle);
}

.c-mobile-item-card__sub {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.c-mobile-item-card__amount {
    font-size: 17px;
    font-weight: 700;
    font-family: "JetBrains Mono", monospace;
    color: var(--color-text-main);
}

.c-mobile-item-card__actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Bento Grid Architecture (Apple / iOS Style) */
.c-bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: var(--space-5);
}

@media (max-width: 1024px) {
    .c-bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .c-bento-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.c-bento-card {
    background: #FFFFFF;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.02), 0 2px 8px -2px rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s var(--ease-spring), box-shadow 0.2s var(--ease-spring);
    position: relative;
    overflow: hidden;
}

.c-bento-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.c-bento-card:active {
    transform: scale(0.985);
}

.c-bento-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.c-bento-card__label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.c-bento-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F1F5F9;
    color: #0F172A;
    flex-shrink: 0;
}

.c-bento-card__val {
    font-size: 28px;
    font-weight: 700;
    font-family: "JetBrains Mono", ui-monospace, monospace;
    letter-spacing: -0.03em;
    color: var(--color-text-main);
    line-height: 1.1;
    margin-bottom: 8px;
}

.c-bento-card__sub {
    font-size: 12px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

/* Minimal & Clean Executive Dashboard Architecture */
.c-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.c-dash-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.c-dash-subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.c-dash-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Minimalist Operational Alert */
.c-minimal-alert {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.c-minimal-alert__left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #92400E;
}

.c-minimal-alert__left svg {
    color: #D97706;
    flex-shrink: 0;
}

.c-minimal-alert__right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Minimal & High-Precision Metric Cards (.c-stat-grid & .c-kpi-grid) */
.c-stat-grid,
.c-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (max-width: 1024px) {
    .c-stat-grid,
    .c-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .c-stat-grid,
    .c-kpi-grid {
        grid-template-columns: 1fr;
    }
}

.c-stat-card,
.c-kpi-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.18s var(--ease-spring), box-shadow 0.18s var(--ease-spring), border-color 0.18s ease;
    position: relative;
    overflow: hidden;
}

.c-stat-card:hover,
.c-kpi-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
    transform: translateY(-2px);
}

.c-stat-card__title,
.c-kpi-card__label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-subtle);
    margin-bottom: 8px;
    line-height: 1.3;
}

.c-kpi-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.c-kpi-card__icon-box {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-subtle);
    color: var(--color-text-main);
}

.c-stat-card__val,
.c-kpi-card__val {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 4px;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
    font-feature-settings: "tnum" 1;
}

.c-stat-card__sub,
.c-kpi-card__sub {
    font-size: 12px;
    color: var(--color-text-muted);
    font-weight: 500;
    line-height: 1.3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

/* Two-Column Responsive Dashboard Layout */
.c-dash-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: start;
    margin-bottom: var(--space-6);
}

.c-dash-columns > * {
    min-width: 0;
}

@media (max-width: 1024px) {
    .c-dash-columns {
        grid-template-columns: 1fr;
    }
}

.c-hero-banner {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-6);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 16px -4px rgba(15, 23, 42, 0.03);
    margin-bottom: var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-5);
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.c-hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0284C7 0%, #38BDF8 50%, #059669 100%);
}

.c-hero-banner__title {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.c-hero-banner__subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
    max-width: 680px;
    line-height: 1.5;
}

.c-hero-banner__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.c-pulse-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 9999px;
    background-color: var(--color-success-bg);
    color: var(--color-success);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.c-pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--color-success);
    box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
    animation: cPulse 2s infinite;
}

@keyframes cPulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(5, 150, 105, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
}

/* Action Items Desk (Urgent Attention) */
.c-action-desk {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.c-action-desk__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-subtle);
}

.c-action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--space-4);
}

.c-action-card {
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    background-color: var(--color-bg-base);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--space-3);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.c-action-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
    transform: translateY(-1px);
}

.c-action-card--danger {
    border-left: 4px solid var(--color-danger);
}

.c-action-card--warning {
    border-left: 4px solid var(--color-warning);
}

.c-action-card--info {
    border-left: 4px solid var(--color-primary);
}

.c-action-card--success {
    border-left: 4px solid var(--color-success);
}

.c-action-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.c-action-card__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.3;
}

.c-action-card__desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.c-action-card__footer {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
}

/* Financial Vital Signs 4-Column Grid */
.c-vitals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (max-width: 1200px) {
    .c-vitals-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .c-vitals-grid {
        grid-template-columns: 1fr;
    }
}

.c-vitals-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.c-vitals-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
}

.c-vitals-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.c-vitals-card__label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.c-vitals-card__icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.c-vitals-card__val {
    font-size: 26px;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1.1;
    margin-bottom: 6px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: -0.02em;
}

.c-vitals-card__meter {
    width: 100%;
    height: 5px;
    background-color: var(--color-bg-subtle);
    border-radius: 9999px;
    overflow: hidden;
    margin: 8px 0 10px 0;
}

.c-vitals-card__meter-bar {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.5s ease-out;
}

.c-vitals-card__sub {
    font-size: 11px;
    color: var(--color-text-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Visual Cash Flow Velocity Chart */
.c-chart-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.c-chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    height: 150px;
    padding: 10px 4px 4px 4px;
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: 12px;
}

.c-chart-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
    gap: 4px;
}

.c-chart-bar-group {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 100%;
    width: 100%;
    justify-content: center;
}

.c-chart-bar {
    width: 16px;
    border-radius: 4px 4px 0 0;
    transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.15s ease;
    min-height: 4px;
}

.c-chart-bar:hover {
    opacity: 0.85;
}

.c-chart-bar--inflow {
    background: linear-gradient(180deg, #10B981 0%, #059669 100%);
}

.c-chart-bar--outflow {
    background: linear-gradient(180deg, #F87171 0%, #DC2626 100%);
}

.c-chart-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-subtle);
    margin-top: 4px;
}

/* Project Progress Card */
.c-project-card {
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    background: var(--color-bg-base);
    margin-bottom: 12px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.c-project-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.c-project-card:last-child {
    margin-bottom: 0;
}

/* WhatsApp Message Snippet */
.c-whatsapp-card {
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    background: var(--color-bg-base);
    margin-bottom: 10px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    text-decoration: none;
    color: var(--color-text-main);
    transition: background 0.1s ease, border-color 0.1s ease;
}

.c-whatsapp-card:hover {
    background: #FFFFFF;
    border-color: #25D366;
}

.c-whatsapp-card:last-child {
    margin-bottom: 0;
}

.c-whatsapp-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #DCFCE7;
    color: #15803D;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 14px;
}

/* Audit Activity Stream */
.c-audit-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 12px;
}

.c-audit-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.c-audit-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--color-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-text-muted);
}

/* Tables */
.c-table-wrapper {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-subtle);
    overflow-x: auto;
    margin-bottom: var(--space-6);
}

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

.c-table th {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--color-border-subtle);
    white-space: nowrap;
}

.c-table td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-subtle);
    color: var(--color-text-main);
    font-size: 13px;
    vertical-align: middle;
}

.c-table tr:last-child td {
    border-bottom: none;
}

.c-table tr:hover td {
    background-color: #F8FAFC;
}

.c-table td.u-num {
    text-align: right;
}

.c-table th.u-num {
    text-align: right;
}

/* Form Controls */
.c-form-group {
    margin-bottom: var(--space-5);
}

.c-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: var(--space-2);
}

.c-input, .c-select, .c-textarea {
    width: 100%;
    padding: 9px 12px;
    font-size: 14px;
    color: var(--color-text-main);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    outline: none;
    transition: all 0.15s ease;
    font-family: inherit;
}

.c-input:focus, .c-select:focus, .c-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-focus);
}

.c-form-hint {
    font-size: 12px;
    color: var(--color-text-subtle);
    margin-top: 4px;
}

.c-form-error {
    font-size: 12px;
    color: var(--color-danger);
    margin-top: 4px;
    font-weight: 500;
}

/* Alert Flashes */
.c-flash {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
}

.c-flash--success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: #A7F3D0;
}

.c-flash--danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: #FECACA;
}

.c-flash--warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: #FDE68A;
}

/* Top Loading Progress Bar for Instant App Navigations */
.c-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #0284C7, #38BDF8, #059669);
    z-index: 9999;
    opacity: 0;
    transition: width 0.25s ease-out, opacity 0.15s ease-in;
    pointer-events: none;
    box-shadow: 0 0 8px rgba(2, 132, 199, 0.6);
}

.c-progress-bar.is-loading {
    opacity: 1;
    width: 75%;
}

.c-progress-bar.is-complete {
    width: 100%;
    opacity: 0;
    transition: width 0.12s ease-out, opacity 0.2s 0.1s ease-out;
}

/* Scoped View Transitions & Mobile App Physics */
#app-main-content {
    view-transition-name: app-page;
}

.c-mobile-header {
    view-transition-name: app-header;
}

.c-bottom-nav {
    view-transition-name: app-bottombar;
}

::view-transition-old(app-page),
::view-transition-new(app-page) {
    animation-duration: 0.22s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-fill-mode: both;
}

::view-transition-old(app-page) {
    animation-name: appFadeOutScale;
}

::view-transition-new(app-page) {
    animation-name: appFadeInScale;
}

/* Directional Native Slide Transitions */
html:active-view-transition-type(forward)::view-transition-old(app-page) {
    animation-name: appSlideToLeft;
}
html:active-view-transition-type(forward)::view-transition-new(app-page) {
    animation-name: appSlideFromRight;
}

html:active-view-transition-type(backward)::view-transition-old(app-page) {
    animation-name: appSlideToRight;
}
html:active-view-transition-type(backward)::view-transition-new(app-page) {
    animation-name: appSlideFromLeft;
}

@keyframes appFadeOutScale {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.97); }
}

@keyframes appFadeInScale {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes appSlideToLeft {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(-25%); opacity: 0; }
}

@keyframes appSlideFromRight {
    from { transform: translateX(35%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes appSlideToRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(35%); opacity: 0; }
}

@keyframes appSlideFromLeft {
    from { transform: translateX(-25%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    ::view-transition-old(app-page),
    ::view-transition-new(app-page) {
        animation: none !important;
    }
}

/* Pull-to-Refresh Native Indicator */
.c-pull-indicator {
    position: fixed;
    top: calc(max(env(safe-area-inset-top, 0px), 0px) + 64px);
    left: 50%;
    transform: translate(-50%, -100px);
    z-index: 100;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border-subtle);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    opacity: 0;
    pointer-events: none;
}

.c-pull-indicator.is-pulling {
    opacity: 1;
}

.c-pull-indicator.is-refreshing {
    opacity: 1;
    transform: translate(-50%, 0) !important;
}

.c-pull-indicator__icon {
    width: 22px;
    height: 22px;
    transition: transform 0.1s linear;
}

.c-pull-indicator.is-refreshing .c-pull-indicator__icon {
    animation: cSpin 0.7s linear infinite;
}

/* Tactile Tap Ripple ("The Spark") */
.c-ripple-surface {
    position: relative;
    overflow: hidden;
}

.c-tap-ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    pointer-events: none;
    background: radial-gradient(circle, rgba(2, 132, 199, 0.3) 0%, rgba(2, 132, 199, 0.08) 60%, transparent 100%);
    animation: cTapRipple 0.38s cubic-bezier(0, 0, 0.2, 1) forwards;
}

@keyframes cTapRipple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Mobile Header & Bottom Navigation */
.c-mobile-header {
    display: none;
    height: 56px;
    background-color: rgba(255, 255, 255, 0.82);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    padding-top: max(env(safe-area-inset-top, 0px), 0px);
    position: sticky;
    top: 0;
    z-index: 50;
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
}

.c-mobile-header__brand {
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.c-mobile-header__brand:hover {
    color: var(--color-primary);
}

.c-mobile-header__actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.c-mobile-header__btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    transition: background-color 0.15s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
}

.c-mobile-header__btn:active {
    background-color: var(--color-bg-subtle);
    transform: scale(0.92);
}

.c-mobile-header__btn--accent {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.c-mobile-header__btn--accent:active {
    background-color: #BAE6FD;
}

/* Bottom Navigation Bar — Apple/iOS Floating Island Pill */
.c-bottom-nav {
    display: none;
    position: fixed;
    bottom: max(14px, env(safe-area-inset-bottom, 14px));
    left: 14px;
    right: 14px;
    max-width: 440px;
    margin: 0 auto;
    height: 64px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(226, 232, 240, 0.85);
    border-radius: 36px;
    z-index: 50;
    box-shadow: 0 14px 34px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    padding: 0 6px;
}

.c-bottom-nav__grid {
    display: flex;
    height: var(--bottombar-height);
    align-items: center;
    position: relative;
}

.c-bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
    gap: 2px;
    height: 100%;
    min-height: 44px;
    transition: color 0.15s ease, transform 0.12s cubic-bezier(0.2, 0.8, 0.4, 1);
    -webkit-tap-highlight-color: transparent;
    position: relative;
}

.c-bottom-nav__item:active {
    transform: scale(0.90);
}

.c-bottom-nav__item.is-active {
    color: var(--color-primary);
}

.c-bottom-nav__item.is-active .c-bottom-nav__icon {
    transform: translateY(-2px);
    filter: drop-shadow(0 2px 4px rgba(2, 132, 199, 0.35));
}

.c-bottom-nav__item.is-active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: var(--color-primary);
    box-shadow: 0 0 6px var(--color-primary);
}

.c-bottom-nav__icon {
    width: 22px;
    height: 22px;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Elevated Center Quick Action Floating Button (FAB) */
.c-bottom-nav__fab {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
    border: 3px solid rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 20px -2px rgba(2, 132, 199, 0.5), 0 2px 6px rgba(2, 132, 199, 0.3);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-top: -22px;
    flex-shrink: 0;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    z-index: 55;
}

.c-bottom-nav__fab:active {
    transform: scale(0.88);
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.4);
}

/* Mobile Quick Actions Bottom Sheet Modal */
.c-sheet-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1050;
    animation: cFadeIn 0.2s ease-out;
}

.c-sheet-backdrop.is-open {
    display: block;
}

.c-bottom-sheet {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-surface);
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -12px 36px rgba(0, 0, 0, 0.2);
    z-index: 1051;
    overflow: hidden;
    padding-bottom: max(env(safe-area-inset-bottom, 0px), 12px);
    transform: translateY(100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    touch-action: pan-y;
}

.c-bottom-sheet.is-open {
    display: block;
    transform: translateY(0);
}

.c-bottom-sheet__handle {
    width: 40px;
    height: 5px;
    border-radius: 3px;
    background-color: var(--color-border-strong);
    margin: 12px auto 6px auto;
    cursor: grab;
}

.c-bottom-sheet__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px var(--space-5);
    border-bottom: 1px solid var(--color-border-subtle);
}

.c-bottom-sheet__close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    color: var(--color-text-subtle);
    cursor: pointer;
    padding: 4px 8px;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.c-bottom-sheet__body {
    padding: var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.c-sheet-action {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: 12px 14px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text-main);
    transition: background-color 0.1s ease;
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
}

.c-sheet-action:active {
    background-color: var(--color-bg-subtle);
}

.c-sheet-action__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.c-sheet-action__content {
    flex: 1;
    overflow: hidden;
}

.c-sheet-action__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.2;
}

.c-sheet-action__sub {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mobile Slide-Out Backdrop */
.c-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(2px);
    z-index: 39;
}

/* WhatsApp Mobile Messenger Split-Pane Rules */
.c-whatsapp-back-btn {
    display: none;
}

/* Responsive Adaptations (Mobile < 1024px) */
@media (max-width: 1024px) {
    .c-sidebar {
        transform: translateX(-100%);
    }

    .c-sidebar.is-open {
        transform: translateX(0);
    }

    .c-sidebar-backdrop.is-open {
        display: block;
    }

    .c-main-wrapper {
        margin-left: 0;
    }

    .c-mobile-header {
        display: flex;
    }

    .c-topbar {
        display: none;
    }

    .c-bottom-nav {
        display: block;
    }

    .c-page-content {
        padding: var(--space-4);
        padding-bottom: calc(var(--bottombar-height) + var(--space-6) + env(safe-area-inset-bottom, 16px));
    }

    @media (max-width: 360px) {
        .c-page-content {
            padding: 10px;
            padding-bottom: calc(var(--bottombar-height) + var(--space-6) + env(safe-area-inset-bottom, 16px));
        }
        .c-card__header {
            padding: 10px 12px;
        }
        .c-card__body {
            padding: 12px 10px;
        }
    }

    /* Transform Tables into Mobile Cards */
    .c-table--responsive thead {
        display: none;
    }

    .c-table--responsive, .c-table--responsive tbody, .c-table--responsive tr, .c-table--responsive td {
        display: block;
        width: 100%;
    }

    .c-table--responsive tr {
        background-color: var(--color-bg-surface);
        border: 1px solid rgba(226, 232, 240, 0.9);
        padding: var(--space-4);
        border-radius: var(--radius-xl);
        margin-bottom: var(--space-3);
        box-shadow: 0 2px 8px -2px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
        position: relative;
        transition: transform 0.12s cubic-bezier(0.2, 0.8, 0.4, 1), box-shadow 0.12s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .c-table--responsive tr:active {
        transform: scale(0.985);
        box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    }

    .c-table--responsive td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border: none;
        border-bottom: 1px dashed rgba(241, 245, 249, 0.9);
        gap: var(--space-3);
    }

    .c-table--responsive td:last-child {
        border-bottom: none;
        padding-top: 10px;
    }

    .c-table--responsive td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 11px;
        text-transform: uppercase;
        color: var(--color-text-subtle);
        flex-shrink: 0;
    }

    /* Form Inputs on Mobile: Minimum 44px height & 16px font to prevent iOS Safari auto-zoom */
    .c-input, .c-select, .c-textarea {
        min-height: 44px;
        font-size: 16px !important;
    }

    .c-btn {
        min-height: 44px;
        padding: 10px 16px;
    }

    /* WhatsApp Mobile Coexistence Split View */
    .c-whatsapp-layout.no-active-conv .c-whatsapp-list {
        width: 100% !important;
        border-right: none !important;
    }

    .c-whatsapp-layout.no-active-conv .c-whatsapp-chat {
        display: none !important;
    }

    .c-whatsapp-layout.has-active-conv .c-whatsapp-list {
        display: none !important;
    }

    .c-whatsapp-layout.has-active-conv .c-whatsapp-chat {
        width: 100% !important;
        display: flex !important;
    }

    .c-whatsapp-back-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: var(--color-bg-subtle);
        color: var(--color-text-main);
        text-decoration: none;
        margin-right: 2px;
        flex-shrink: 0;
    }

    .c-whatsapp-back-btn:active {
        background-color: var(--color-border-subtle);
    }
}

/* Phone Screen Optimization (< 640px) */
@media (max-width: 640px) {
    .c-page-header {
        flex-direction: column;
        align-items: stretch !important;
        gap: var(--space-3) !important;
    }

    .c-page-header .c-btn {
        width: 100%;
        justify-content: center;
    }

    /* Command Palette Fullscreen Mobile Mode */
    .c-cmd-backdrop {
        padding-top: 0;
        align-items: stretch;
    }

    .c-cmd-dialog {
        max-height: 100vh;
        height: 100%;
        border-radius: 0;
        margin: 0;
        border: none;
    }

    .c-cmd-input {
        font-size: 16px;
    }

    .c-cmd-item {
        min-height: 50px;
        padding: 12px var(--space-4);
    }
}

/* ==========================================================================
   Executive Command Palette (Cmd+K) & Omnisearch Styles
   ========================================================================== */
.c-cmd-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 10vh;
    animation: cFadeIn 0.15s ease-out;
}

@keyframes cFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.c-cmd-dialog {
    background-color: var(--color-bg-surface);
    width: 100%;
    max-width: 640px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    border: 1px solid var(--color-border-subtle);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 75vh;
    margin: 0 var(--space-4);
    animation: cSlideDown 0.15s ease-out;
}

@keyframes cSlideDown {
    from { transform: translateY(-12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.c-cmd-header {
    display: flex;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-subtle);
    gap: var(--space-3);
    background: var(--color-bg-surface);
}

.c-cmd-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-main);
    background: transparent;
}

.c-cmd-input::placeholder {
    color: var(--color-text-subtle);
}

.c-cmd-kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
    padding: 2px 6px;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

.c-cmd-results {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2) 0;
}

.c-cmd-group-title {
    padding: var(--space-3) var(--space-5) var(--space-1);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.c-cmd-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px var(--space-5);
    text-decoration: none;
    color: var(--color-text-main);
    transition: background 0.1s ease;
    cursor: pointer;
}

.c-cmd-item:hover,
.c-cmd-item.is-selected {
    background-color: var(--color-bg-subtle);
    outline: none;
}

.c-cmd-item-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
    padding-right: var(--space-3);
}

.c-cmd-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.c-cmd-item-sub {
    font-size: 12px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.c-cmd-footer {
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: 11px;
    color: var(--color-text-muted);
}

.c-cmd-footer kbd {
    font-family: ui-monospace, monospace;
    font-size: 10px;
    padding: 1px 4px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: 3px;
    color: var(--color-text-main);
}