/**
 * Flip7 design system, adapted for the ERP's Bootstrap 5 UI.
 * Palette/shape/elevation/typography per flip7-card-game-DESIGN.md;
 * game-specific components (confetti, BOOM state, victory rankings,
 * ribbon logo) are intentionally left out -- there's no equivalent
 * moment in a business app.
 */

:root {
    --color-primary-teal: #2BA8A2;
    --color-primary-light: #3CC4BD;
    --color-primary-dark: #1E8C86;
    --color-primary-bg: #E8F6F5;

    --color-accent-gold: #FFD23F;
    --color-accent-light: #FFE47A;
    --color-accent-dark: #E6B800;

    --color-coral: #EF6C4A;
    --color-coral-light: #FF8A6A;
    --color-coral-dark: #D45233;

    --color-cream: #FFF8E7;
    --color-sky-blue: #5DADE2;

    --color-surface-base: #EFF8F7;
    --color-surface-card: #FFFFFF;

    --color-success: #27AE60;
    --color-error: #E74C3C;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-round: 999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);
    --shadow-card: 0 4px 20px rgba(43, 168, 162, .10);
    --shadow-coral-glow: 0 4px 20px rgba(239, 108, 74, .35);
    --shadow-teal-glow: 0 4px 20px rgba(43, 168, 162, .30);
    --shadow-accent-glow: 0 4px 20px rgba(255, 210, 63, .40);
    --shadow-sky-glow: 0 4px 16px rgba(93, 173, 226, .30);
    --shadow-focus: 0 0 0 4px rgba(43, 168, 162, .15);

    --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--color-surface-base);
    font-family: var(--font-body);
    color: #2b2b2b;
}

.auth-body {
    background: linear-gradient(135deg, var(--color-primary-bg) 0%, var(--color-surface-base) 60%, #fdf3d9 100%);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    letter-spacing: .01em;
    color: var(--color-primary-dark);
}

a {
    color: var(--color-primary-dark);
}

a:hover {
    color: var(--color-coral);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    background-color: var(--color-surface-card);
}

/* Auth layout brand title */
.auth-body h1 {
    color: var(--color-primary-dark);
    font-weight: 800;
    letter-spacing: .03em;
}

/* Navbar */
.navbar.bg-dark {
    background-color: var(--color-primary-dark) !important;
}

/* Super-admin area gets its own dark navbar so it's visually distinct
   from a tenant's business dashboard -- a different, elevated context. */
.navbar.super-admin-navbar.bg-dark {
    background-color: #14181c !important;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: .02em;
    color: var(--color-accent-gold) !important;
}

/* Sidebar -- collapsible via #sidebarToggle in the navbar. Collapsing shrinks its
   width to 0 rather than sliding it off as an overlay, so main content reflows to
   fill the freed space (the layout is a plain flex row, not a fixed-position rail). */
.sidebar {
    min-width: 220px;
    max-width: 220px;
    background-color: var(--color-primary-bg) !important;
    overflow-x: hidden;
    overflow-y: auto;
    transition: min-width .25s ease, max-width .25s ease, padding .25s ease, opacity .2s ease;
}

.sidebar.collapsed {
    min-width: 0;
    max-width: 0;
    padding: 0 !important;
    opacity: 0;
    border: none !important;
}

/* Sidebar dropdown sections (Administration/Sales/Inventory/Procurement/Reports) --
   Bootstrap's .collapse handles show/hide; this just styles the toggle row and
   nests the sub-items with a connecting rail so they read as children, not peers. */
.sidebar .submenu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar .submenu-arrow {
    font-size: .7rem;
    color: var(--color-primary-teal);
    transition: transform .2s ease;
}

.sidebar .submenu-toggle[aria-expanded="true"] .submenu-arrow {
    transform: rotate(180deg);
}

.sidebar .submenu {
    margin-left: .5rem;
    padding-left: .5rem;
    border-left: 2px solid var(--color-primary-teal);
}

.sidebar .submenu .nav-link {
    padding-top: .35rem;
    padding-bottom: .35rem;
    font-size: .92rem;
    font-weight: 600;
}

.sidebar-toggle-btn {
    min-height: 38px;
    min-width: 38px;
    padding: 0;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    line-height: 1;
}

.sidebar .nav-link {
    color: var(--color-primary-dark);
    font-weight: 600;
    border-radius: var(--radius-md);
    margin-bottom: 4px;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    color: #fff;
    background-color: var(--color-primary-teal);
}

/* Buttons -- pill shape, colored glow, bounce feedback */
.btn {
    border-radius: var(--radius-round);
    font-weight: 700;
    min-height: 44px;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    transition: transform .15s cubic-bezier(.34, 1.56, .64, 1), box-shadow .15s ease;
    border: none;
}

.btn:active {
    transform: scale(.95);
}

.btn-sm {
    min-height: 34px;
}

.btn-primary {
    background: linear-gradient(180deg, var(--color-accent-light) 0%, var(--color-accent-gold) 100%);
    color: #4a3600;
    box-shadow: var(--shadow-accent-glow);
}

.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(180deg, var(--color-accent-gold) 0%, var(--color-accent-dark) 100%);
    color: #4a3600;
}

.btn-outline-primary {
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary-teal);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--color-primary-teal);
    color: #fff;
}

.btn-outline-secondary {
    color: var(--color-primary-dark);
    border: 2px solid var(--color-primary-light);
    background-color: transparent;
}

.btn-outline-secondary:hover {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

.btn-outline-danger {
    color: var(--color-coral-dark);
    border: 2px solid var(--color-coral);
    background-color: transparent;
}

.btn-outline-danger:hover {
    background-color: var(--color-coral);
    color: #fff;
    box-shadow: var(--shadow-coral-glow);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, .6);
    color: #fff;
}

.btn-outline-light:hover {
    background-color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
    color: #4a3600;
}

/* Forms */
.form-control, .form-select {
    background-color: var(--color-cream);
    border: 2px solid #f0e4c0;
    border-radius: var(--radius-md);
    padding: .6rem .9rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--color-cream);
    border-color: var(--color-primary-teal);
    box-shadow: var(--shadow-focus);
}

label.form-label {
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: .9rem;
}

/* Badges -- pill, brand-colored */
.badge {
    border-radius: var(--radius-round);
    font-weight: 700;
    letter-spacing: .02em;
    padding: .4em .8em;
}

.badge.bg-secondary {
    background-color: var(--color-primary-teal) !important;
}

.badge.bg-success {
    background-color: var(--color-success) !important;
}

.badge.bg-danger {
    background-color: var(--color-coral) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.alert-danger {
    background-color: #fdeae5;
    color: var(--color-coral-dark);
}

.alert-success {
    background-color: #e7f7ee;
    color: #1e7e46;
}

/* Tables */
.table {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead th {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-dark);
    font-weight: 700;
    border-bottom: none;
    text-transform: uppercase;
    font-size: .78rem;
    letter-spacing: .04em;
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--color-primary-bg);
}

/* Auth card container */
.container .card {
    box-shadow: var(--shadow-teal-glow);
}

/* Breadcrumbs */
.breadcrumb {
    font-size: .85rem;
}

/* Report tabs (views/reports/*) */
.report-pane[hidden] {
    display: none;
}

/* Printing a report: browser Print -> Save as PDF. Hides everything except
   the currently-visible report pane, matching the invoice print pattern. */
@media print {
    .navbar, .sidebar, #logoutBtn, .btn, .nav-tabs, .no-print {
        display: none !important;
    }

    main {
        padding: 0 !important;
    }

    .report-pane[hidden] {
        display: none !important;
    }
}