/* ==========================================================================
   YUSR / VELOCITY DASHBOARD SYSTEM - COMPLETE DESIGN OVERHAUL
   ========================================================================== */

/* ---------- Brand Tokens & Theme Variables ---------- */

:root {
    /* Primary Accent Colors */
    --brand-primary: #004f6c;
    --brand-primary-rgb: 0, 79, 108;
    --brand-primary-dark: #63c7e8;
    --brand-success: #10b981;
    --brand-warning: #f59e0b;
    --brand-danger: #ef4444;

    /* Base Layout Colors (Light Mode) */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-subtle: #e2e8f0;
    --border-card: #e2e8f0;

    /* Typography */
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-white: #ffffff;

    /* Sidebar & Topbar Shell */
    --shell-bg: #f8fafc;
    --shell-bg-hover: #f1f5f9;
    --shell-border: #e2e8f0;
    --shell-text: #0f172a;
    --shell-text-muted: #64748b;
    --shell-input-bg: #ffffff;
    --shell-input-border: #cbd5e1;

    /* Active Navigation Pill (Light Mode) */
    --nav-active-bg: rgba(var(--brand-primary-rgb), 0.12);
    --nav-active-bg-hover: rgba(var(--brand-primary-rgb), 0.18);
    --nav-active-fg: var(--brand-primary);
    --nav-active-icon: var(--brand-primary);
    --nav-active-badge-bg: var(--brand-primary);
    --nav-active-badge-fg: #ffffff;

    /* UI Elevation */
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

/* ---------- Pure Black Dark Mode Overrides ---------- */

html.dark {
    /* Primary High-Contrast Accents */
    --brand-primary: #38bdf8;
    --brand-primary-rgb: 56, 189, 248;
    --brand-success: #34d399;
    --brand-warning: #fbbf24;
    --brand-danger: #f87171;

    /* Absolute Black Background Spectrum */
    --bg-page: #000000;
    --bg-card: #0a0a0a;
    --bg-card-hover: #121212;
    --border-subtle: #262626;
    --border-card: #1f1f1f;

    /* High-Contrast Typography */
    --text-main: #ffffff;
    --text-muted: #a3a3a3;

    /* Sidebar & Topbar Shell (Pure Black) */
    --shell-bg: #000000;
    --shell-bg-hover: #171717;
    --shell-border: #262626;
    --shell-text: #ffffff;
    --shell-text-muted: #a3a3a3;
    --shell-input-bg: #0a0a0a;
    --shell-input-border: #262626;

    /* Active Navigation Link (Light Primary Tint) */
    --nav-active-bg: rgba(var(--brand-primary-rgb), 0.18);
    --nav-active-bg-hover: rgba(var(--brand-primary-rgb), 0.26);
    --nav-active-fg: var(--brand-primary);
    --nav-active-icon: var(--brand-primary);
    --nav-active-badge-bg: var(--brand-primary);
    --nav-active-badge-fg: #000000;

    /* Sharp OLED Shadows */
    --card-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.9);
    --card-shadow-hover: 0 6px 24px 0 rgba(0, 0, 0, 1);
}

/* ---------- Global Layout & Typography ---------- */

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    transition: background-color 200ms ease;
}

/* ---------- Sidebar Shell ---------- */

.fi-sidebar {
    background-color: var(--shell-bg);
    border-inline-end: 1px solid var(--shell-border);
}

.fi-sidebar-header {
    background-color: var(--shell-bg);
    padding-block: 0.875rem;
    padding-inline: 1rem;
    border-block-end: 1px solid var(--shell-border);
    margin-block-end: 0.5rem;
}

.fi-sidebar-header-logo-ctn img {
    object-fit: contain;
    max-height: 2rem;
}

/* ---------- Topbar Shell ---------- */

.fi-topbar {
    background-color: var(--shell-bg);
    border-block-end: 1px solid var(--shell-border);
}

.fi-topbar .fi-icon-btn > .fi-icon {
    color: var(--shell-text-muted);
    transition: color 200ms ease;
}

.fi-topbar .fi-icon-btn:hover,
.fi-topbar .fi-icon-btn:focus-visible {
    background-color: var(--shell-bg-hover);
    color: var(--shell-text);
}

/* Topbar Global Search Field */
.fi-topbar .fi-global-search-field .fi-input {
    background-color: var(--shell-input-bg);
    border: 1px solid var(--shell-input-border);
    border-radius: 0.75rem;
    color: var(--shell-text);
    padding-inline-start: 2.5rem;
    transition: all 200ms ease;
}

.fi-topbar .fi-global-search-field .fi-input::placeholder {
    color: var(--shell-text-muted);
}

.fi-topbar .fi-global-search-field .fi-input:hover,
.fi-topbar .fi-global-search-field .fi-input:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 2px rgba(var(--brand-primary-rgb), 0.3);
}

/* ---------- Navigation Groups ---------- */

.fi-sidebar-group {
    margin-block-end: 0.375rem;
}

.fi-sidebar-group-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--shell-text-muted);
    padding-inline-start: 0.75rem;
    padding-block-end: 0.375rem;
    margin-block-end: 0.25rem;
}

.fi-sidebar-group-btn > .fi-icon,
.fi-sidebar-group-dropdown-trigger-btn > .fi-icon {
    color: var(--shell-text);
}

.fi-sidebar-group-dropdown-trigger-btn:hover,
.fi-sidebar-group-dropdown-trigger-btn:focus-visible {
    background-color: var(--shell-bg-hover);
}

/* ---------- Navigation Items (Full Light-Primary Tint) ---------- */

.fi-sidebar-item {
    margin-block-end: 0.125rem;
}

.fi-sidebar-item-btn {
    border-radius: 0.625rem;
    border-left: none !important; /* Ensure no accent line indicator */
    padding-block: 0.5rem;
    padding-inline: 0.75rem;
    transition: background-color 200ms ease, color 200ms ease;
}

.fi-sidebar-item-btn > .fi-sidebar-item-icon {
    color: var(--shell-text-muted);
    transition: color 200ms ease;
}

.fi-sidebar-item-btn > .fi-sidebar-item-label {
    color: var(--shell-text);
    font-weight: 500;
    transition: color 200ms ease;
}

.fi-sidebar-item.fi-sidebar-item-has-url > .fi-sidebar-item-btn:hover,
.fi-sidebar-item-btn:hover,
.fi-sidebar-item-btn:focus-visible {
    background-color: var(--shell-bg-hover);
}

/* Active Link State */
.fi-sidebar-item.fi-active > .fi-sidebar-item-btn {
    background-color: var(--nav-active-bg) !important;
    border-left: none !important;
    box-shadow: none;
}

.fi-sidebar-item.fi-active > .fi-sidebar-item-btn:hover,
.fi-sidebar-item.fi-active > .fi-sidebar-item-btn:focus-visible {
    background-color: var(--nav-active-bg-hover) !important;
}

.fi-sidebar-item.fi-active > .fi-sidebar-item-btn > .fi-sidebar-item-label {
    color: var(--nav-active-fg);
    font-weight: 600;
}

.fi-sidebar-item.fi-active > .fi-sidebar-item-btn > .fi-sidebar-item-icon {
    color: var(--nav-active-icon);
}

.fi-sidebar-item.fi-active .fi-badge {
    background-color: var(--nav-active-badge-bg);
    color: var(--nav-active-badge-fg);
}

/* ---------- Sidebar Footer & Profile ---------- */

.fi-sidebar-footer {
    border-block-start: 1px solid var(--shell-border);
    padding-block: 0.625rem;
    padding-inline: 0.75rem;
}

.fi-sidebar .fi-user-menu-trigger {
    color: var(--shell-text);
    border-radius: 0.625rem;
}

.fi-sidebar .fi-user-menu-trigger:hover,
.fi-sidebar .fi-user-menu-trigger:focus-visible {
    background-color: var(--shell-bg-hover);
}

.fi-user-menu .fi-user-avatar {
    border-radius: 9999px;
    box-shadow: 0 0 0 2px var(--brand-primary);
}

/* ---------- Widget & Dashboard Cards ---------- */

.fi-widget,
.fi-section,
.fi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 1rem;
    box-shadow: var(--card-shadow);
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.fi-widget:hover,
.fi-section:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--border-subtle);
}

/* KPI Value Styling */
.fi-kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.fi-kpi-trend-up {
    color: var(--brand-success);
    font-weight: 600;
    font-size: 0.875rem;
}

.fi-kpi-trend-down {
    color: var(--brand-danger);
    font-weight: 600;
    font-size: 0.875rem;
}

/* ---------- Customer Information Panel ---------- */

.fi-customer-panel {
    border: 1px solid var(--border-card);
    border-radius: 0.75rem;
    background-color: var(--bg-card);
    padding: 1rem 1.25rem;
}

.fi-customer-panel-head {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-block-end: 0.875rem;
}

.fi-customer-panel-avatar {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    flex: none;
    border-radius: 9999px;
    background-color: rgba(var(--brand-primary-rgb), 0.15);
    color: var(--brand-primary);
    font-size: 0.875rem;
    font-weight: 700;
}

.fi-customer-panel-name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-main);
}

.fi-customer-panel-sub,
.fi-customer-panel-item dt,
.fi-customer-panel-empty {
    color: var(--text-muted);
}

.fi-customer-panel-item dd {
    color: var(--text-main);
}

/* ---------- Dark Mode Specific Adjustments ---------- */

html.dark .recharts-cartesian-grid-line {
    stroke: #171717 !important;
}

html.dark .recharts-default-tooltip {
    background-color: #0d0d0d !important;
    border: 1px solid #262626 !important;
    border-radius: 0.5rem;
}

/* ---------- Scrollbars ---------- */

.fi-sidebar-nav {
    scrollbar-width: thin;
    scrollbar-color: var(--border-subtle) transparent;
    padding-inline: 0.625rem;
}

.fi-sidebar-nav::-webkit-scrollbar {
    width: 5px;
}

.fi-sidebar-nav::-webkit-scrollbar-thumb {
    background-color: var(--border-subtle);
    border-radius: 9999px;
}