/* ============================================================================
   JaiPar Worksheet — Design System (theme.css)
   ----------------------------------------------------------------------------
   Single source of truth for colour, typography, spacing, elevation and the
   core reusable components. Loaded LAST in <head> so it refines the Material
   Dashboard / Bootstrap base without forking the template.

   Brand anchor: #180858 (sampled from the JaiPar wordmark).
   Neutral ramp: matches the slate values already used across pages, so
   migrating hard-coded hex to tokens is visually lossless.

   Conventions:
     --brand-*   brand indigo ramp (50 lightest → 900 = logo)
     --ink-*     neutral text / border / surface ramp
     --success/-danger/-warning/-info  semantic ramps
   Component classes are namespaced `.jp-` to avoid clashing with the template.
   ============================================================================ */

:root {
    /* ---- Brand (indigo, anchored on logo #180858) ---------------------- */
    --brand-50:  #f1effb;
    --brand-100: #e3ddf7;
    --brand-200: #c7bcef;
    --brand-300: #a495e2;
    --brand-400: #7e6bd0;
    --brand-500: #5c47ba;   /* links, accents on light surfaces            */
    --brand-600: #47349a;   /* primary action fill                         */
    --brand-700: #362879;   /* primary hover / pressed                     */
    --brand-800: #261a5c;
    --brand-900: #180858;   /* logo — deepest anchor                       */
    --brand-rgb: 71, 52, 154;          /* = --brand-600, for translucency  */

    /* ---- Neutral ink ramp (== existing slate palette) ------------------ */
    --ink-900: #0f172a;
    --ink-800: #1e293b;
    --ink-700: #334155;
    --ink-600: #475569;
    --ink-500: #64748b;
    --ink-400: #94a3b8;
    --ink-300: #cbd5e1;
    --ink-200: #e2e8f0;
    --ink-100: #f1f5f9;
    --ink-50:  #f8fafc;

    /* ---- Surfaces ------------------------------------------------------ */
    --surface:        #ffffff;
    --surface-subtle: #f8fafc;
    --canvas:         #f3f5fb;   /* app background behind cards            */
    --border:         #e2e8f0;
    --border-strong:  #cbd5e1;

    /* ---- Semantic ------------------------------------------------------ */
    --success-700: #047857;
    --success-600: #059669;
    --success-500: #10b981;
    --success-50:  #d1fae5;
    --success-text:#065f46;

    --danger-700:  #b91c1c;
    --danger-600:  #dc2626;
    --danger-500:  #ef4444;
    --danger-50:   #fee2e2;
    --danger-text: #991b1b;

    --warning-600: #d97706;
    --warning-500: #f59e0b;
    --warning-50:  #fef3c7;
    --warning-text:#92400e;

    --info-600:    #0277bd;
    --info-500:    #03a9f4;
    --info-50:     #e1f5fe;
    --info-text:   #075985;

    /* Text roles */
    --text-strong: var(--ink-900);
    --text:        var(--ink-800);
    --text-muted:  var(--ink-500);
    --text-faint:  var(--ink-400);
    --text-on-brand: #ffffff;

    /* ---- Typography ---------------------------------------------------- */
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --fs-xs:   0.75rem;    /* 12 */
    --fs-sm:   0.8125rem;  /* 13 */
    --fs-base: 0.9375rem;  /* 15 */
    --fs-md:   1rem;       /* 16 */
    --fs-lg:   1.125rem;   /* 18 */
    --fs-xl:   1.25rem;    /* 20 */
    --fs-2xl:  1.5rem;     /* 24 */
    --fs-3xl:  1.875rem;   /* 30 */
    --lh-tight: 1.25;
    --lh-snug:  1.4;
    --lh-normal:1.6;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;

    /* ---- Spacing (4px base) ------------------------------------------- */
    --sp-1: 0.25rem;  --sp-2: 0.5rem;  --sp-3: 0.75rem; --sp-4: 1rem;
    --sp-5: 1.25rem;  --sp-6: 1.5rem;  --sp-8: 2rem;    --sp-10: 2.5rem;
    --sp-12: 3rem;

    /* ---- Radius -------------------------------------------------------- */
    --radius-sm:  8px;
    --radius:     12px;
    --radius-lg:  16px;
    --radius-xl:  20px;
    --radius-pill: 999px;

    /* ---- Elevation (soft, low-alpha) ---------------------------------- */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.10), 0 2px 6px -2px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.16), 0 6px 12px -6px rgba(15, 23, 42, 0.08);

    /* ---- Focus / interaction ------------------------------------------ */
    --focus-ring: 0 0 0 3px rgba(var(--brand-rgb), 0.35);
    --t-fast: 0.15s ease;
    --t:      0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Bootstrap variable bridges so template components inherit the brand */
    --bs-primary: var(--brand-600);
    --bs-primary-rgb: var(--brand-rgb);
    --bs-body-font-family: var(--font-sans);
    --bs-body-color: var(--ink-800);
    --bs-border-radius: var(--radius-sm);
}

/* ============================================================================
   Base
   ============================================================================ */
body.g-sidenav-show,
body {
    font-family: var(--font-sans);
    color: var(--text);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.006em;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-strong);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    letter-spacing: -0.015em;
}

a { color: var(--brand-600); }
a:hover { color: var(--brand-700); }

hr { color: var(--border); opacity: 1; }

::selection {
    background: var(--brand-200);
    color: var(--brand-900);
}

/* ---- Accessible focus: visible ring for keyboard users ---------------- */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.nav-link:focus-visible,
.page-link:focus-visible {
    outline: 2px solid transparent;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}
/* Don't double-draw the mouse-focus ring the template adds */
.btn:focus:not(:focus-visible) { box-shadow: none; }

/* Screen-reader only helper (if template's is absent) */
.jp-visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

/* ---- Subtle, consistent scrollbars ------------------------------------ */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--ink-300) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
    background: var(--ink-300);
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--ink-400); background-clip: content-box; }

/* ============================================================================
   App chrome — sidebar, navbar, footer (brand-aligned)
   ============================================================================ */
body { background-color: var(--canvas) !important; }

.sidenav .navbar-nav .nav-link {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--ink-700);
    border-radius: var(--radius-sm);
    transition: background-color var(--t), color var(--t);
}
.sidenav .navbar-nav > .nav-item > .nav-link:hover {
    background-color: var(--brand-50);
    color: var(--brand-700);
}
/* Active top-level item → brand gradient (replaces template's dark gradient) */
.sidenav .navbar-nav .nav-link.active.bg-gradient-dark {
    background-image: linear-gradient(135deg, var(--brand-700) 0%, var(--brand-900) 100%) !important;
    color: var(--text-on-brand) !important;
    box-shadow: var(--shadow-sm);
}
.sidenav .navbar-nav .nav-link.active.bg-gradient-dark .material-symbols-rounded { opacity: 1 !important; }
/* Active sub-item */
.sidenav .navbar-nav .nav-link.active.text-primary {
    color: var(--brand-700) !important;
}
.sidenav .nav-link .material-symbols-rounded { font-size: 20px; }

.navbar-main .breadcrumb-item,
.navbar-main .breadcrumb-item a { font-weight: var(--fw-medium); }
.navbar-main .breadcrumb-item.active { color: var(--text-strong); }

.footer .copyright { font-size: var(--fs-sm); color: var(--text-muted) !important; }
.footer a { color: var(--brand-700) !important; }
.footer .fa-heart { color: var(--danger-500); }

/* ============================================================================
   Buttons
   ============================================================================ */
.btn {
    font-weight: var(--fw-semibold);
    letter-spacing: 0;
    border-radius: var(--radius-sm);
    transition: transform var(--t-fast), box-shadow var(--t), background-color var(--t), border-color var(--t);
}
.btn:active { transform: translateY(1px); }

/* Brand button reusable class */
.jp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: 0.55rem 1.1rem;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    line-height: 1;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none !important;
    transition: transform var(--t-fast), box-shadow var(--t), background-color var(--t), border-color var(--t), color var(--t);
}
.jp-btn:active { transform: translateY(1px); }
.jp-btn:focus-visible { box-shadow: var(--focus-ring); outline: none; }
.jp-btn .material-symbols-rounded { font-size: 18px; }

.jp-btn-primary {
    background: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-800) 100%);
    color: var(--text-on-brand) !important;
    box-shadow: var(--shadow-sm);
}
.jp-btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-700) 0%, var(--brand-900) 100%);
    box-shadow: var(--shadow-md);
    color: #fff !important;
}
.jp-btn-secondary {
    background: var(--surface);
    color: var(--brand-700) !important;
    border-color: var(--border-strong);
}
.jp-btn-secondary:hover { border-color: var(--brand-400); background: var(--brand-50); }

.jp-btn-ghost {
    background: transparent;
    color: var(--ink-600) !important;
    border-color: transparent;
}
.jp-btn-ghost:hover { background: var(--ink-100); color: var(--ink-800) !important; }

.jp-btn-danger {
    background: var(--danger-600);
    color: #fff !important;
}
.jp-btn-danger:hover { background: var(--danger-700); }

/* Bridge Bootstrap primary buttons onto the brand */
.btn-primary,
.bg-gradient-primary,
.btn.bg-gradient-primary {
    background-image: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-800) 100%) !important;
    border-color: transparent !important;
    color: #fff !important;
}
.btn-primary:hover {
    background-image: linear-gradient(135deg, var(--brand-700) 0%, var(--brand-900) 100%) !important;
}
.btn-outline-primary {
    color: var(--brand-700) !important;
    border-color: var(--brand-400) !important;
}
.btn-outline-primary:hover {
    background-color: var(--brand-600) !important;
    border-color: var(--brand-600) !important;
    color: #fff !important;
}
.text-primary { color: var(--brand-600) !important; }
.bg-primary { background-color: var(--brand-600) !important; }

/* ============================================================================
   Cards & surfaces
   ============================================================================ */
.jp-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.jp-card-pad { padding: var(--sp-6); }

/* Gentle refinement of template cards */
.card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

/* ============================================================================
   Page header band (dark brand gradient) — reusable across list/detail pages
   ============================================================================ */
.jp-page-header {
    background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-900) 100%);
    border-radius: var(--radius-lg);
    padding: var(--sp-5) var(--sp-6);
    margin-bottom: var(--sp-6);
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-3);
    color: #fff;
}
.jp-page-header__title h1,
.jp-page-header__title h2,
.jp-page-header__title h3,
.jp-page-header__title h4 {
    color: #fff;
    font-weight: var(--fw-extrabold);
    margin: 0 0 2px;
    font-size: var(--fs-xl);
}
.jp-page-header__title p {
    color: rgba(255, 255, 255, 0.72);
    font-size: var(--fs-sm);
    margin: 0;
}
.jp-page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex-wrap: wrap;
}

/* ============================================================================
   Badges & status pills
   ============================================================================ */
.jp-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.4;
}
.jp-badge--success { background: var(--success-50); color: var(--success-text); }
.jp-badge--danger  { background: var(--danger-50);  color: var(--danger-text); }
.jp-badge--warning { background: var(--warning-50); color: var(--warning-text); }
.jp-badge--info    { background: var(--info-50);    color: var(--info-text); }
.jp-badge--neutral { background: var(--ink-100);    color: var(--ink-600); }
.jp-badge--brand   { background: var(--brand-50);   color: var(--brand-700); }

.jp-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 11px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.jp-status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.jp-status--success { background: var(--success-50); color: var(--success-text); }
.jp-status--warning { background: var(--warning-50); color: var(--warning-text); }
.jp-status--info    { background: var(--info-50);    color: var(--info-text); }
.jp-status--neutral { background: var(--ink-100);    color: var(--ink-600); }

/* ============================================================================
   Forms
   ============================================================================ */
.form-control,
.form-select {
    font-size: var(--fs-base);
    color: var(--text);
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    transition: border-color var(--t), box-shadow var(--t);
}
.form-control::placeholder { color: var(--text-faint); }
.form-control:focus,
.form-select:focus {
    border-color: var(--brand-400);
    box-shadow: var(--focus-ring);
}
.form-label,
label.form-label {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--ink-700);
    margin-bottom: 0.35rem;
}
.jp-required::after { content: ' *'; color: var(--danger-600); font-weight: var(--fw-bold); }

/* Select2 alignment with the token system */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1.5px solid var(--border-strong) !important;
    border-radius: var(--radius-sm) !important;
    min-height: 2.7rem;
}
.select2-container--default.select2-container--focus .select2-selection--multiple,
.select2-container--default.select2-container--open .select2-selection--single {
    border-color: var(--brand-400) !important;
    box-shadow: var(--focus-ring);
}
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: var(--brand-600) !important;
    border-color: var(--brand-700) !important;
    color: #fff !important;
    border-radius: var(--radius-sm) !important;
}
.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--brand-600) !important;
}

input[type="file"]::file-selector-button {
    background-color: var(--ink-100);
    color: var(--ink-700);
    border: 1px solid var(--border-strong);
    padding: 6px 14px;
    margin-right: 10px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-weight: var(--fw-semibold);
    transition: background-color var(--t);
}
input[type="file"]::file-selector-button:hover { background-color: var(--ink-200); }

/* Collapsible form section header (used by add_* forms) */
.btn-collapse-header {
    background-color: var(--brand-800) !important;
    color: #fff !important;
    border-radius: var(--radius-sm) !important;
}
.btn-collapse-header:hover,
.btn-collapse-header:focus {
    background-color: var(--brand-900) !important;
    color: #fff !important;
}

/* ============================================================================
   Tables (reusable .jp-table + gentle refinement of DataTables)
   ============================================================================ */
.jp-table-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.jp-table-scroll { overflow-x: auto; }
.jp-table { width: 100%; border-collapse: collapse; margin: 0; }
.jp-table thead th {
    background: var(--surface-subtle);
    color: var(--ink-600);
    font-size: var(--fs-xs);
    font-weight: var(--fw-extrabold);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 14px 16px;
    text-align: left;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.jp-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--ink-100);
    font-size: var(--fs-sm);
    color: var(--ink-700);
    vertical-align: middle;
}
.jp-table tbody tr:last-child td { border-bottom: none; }
.jp-table tbody tr { transition: background var(--t-fast); }
.jp-table tbody tr:hover { background: var(--surface-subtle); }

/* DataTables base refinement */
table.dataTable thead th {
    color: var(--ink-600);
    font-weight: var(--fw-bold);
    border-bottom: 2px solid var(--border) !important;
}
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.6rem;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--brand-600) !important;
    border-color: var(--brand-600) !important;
    color: #fff !important;
    border-radius: var(--radius-sm);
}

/* ============================================================================
   Avatars (initials / photos) — used by task & employee views
   ============================================================================ */
.jp-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 2px solid var(--surface);
    object-fit: cover;
    box-shadow: var(--shadow-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: var(--fw-extrabold);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

/* ============================================================================
   Empty states
   ============================================================================ */
.jp-empty {
    text-align: center;
    padding: var(--sp-10) var(--sp-5);
    color: var(--text-faint);
}
.jp-empty .material-symbols-rounded {
    font-size: 2.5rem;
    color: var(--border-strong);
    display: block;
    margin-bottom: var(--sp-2);
}

/* ============================================================================
   Stat tiles (dashboards)
   ============================================================================ */
.jp-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    box-shadow: var(--shadow-sm);
    transition: transform var(--t), box-shadow var(--t);
}
.jp-stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.jp-stat__label { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--text-muted); }
.jp-stat__value { font-size: var(--fs-3xl); font-weight: var(--fw-extrabold); color: var(--text-strong); line-height: 1.1; }
.jp-stat__icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
}

/* ============================================================================
   Utilities
   ============================================================================ */
.jp-text-muted { color: var(--text-muted) !important; }
.jp-text-strong { color: var(--text-strong) !important; }
.jp-surface { background: var(--surface); }
.jp-shadow-sm { box-shadow: var(--shadow-sm); }
.jp-shadow-md { box-shadow: var(--shadow-md); }
.jp-rounded { border-radius: var(--radius-lg); }

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 991.98px) {
    .jp-page-header { padding: var(--sp-4) var(--sp-5); }
    .jp-page-header__actions { width: 100%; }
    .jp-stat__value { font-size: var(--fs-2xl); }
}
@media (max-width: 575.98px) {
    .jp-page-header { flex-direction: column; align-items: flex-start; }
    .jp-btn, .btn { width: auto; }
    .jp-table thead th, .jp-table tbody td { padding: 11px 12px; }
}

/* ============================================================================
   Motion preferences (accessibility)
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}
