/* =========================================================
   GLOBAL THEME — flat, no rounded corners
   Loaded AFTER each page's own CSS to override stale styles.
   Safe across all templates: only targets generic Bootstrap
   classes + a few project-wide tokens.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap');

:root {
    --brand-primary: #1d4ed8;
    --brand-primary-dark: #1e40af;
    --brand-primary-light: #eff6ff;

    /* Softer text colors (no pure black) */
    --brand-text: #1f2937;
    --brand-text-muted: #6b7280;
    --brand-text-placeholder: #9ca3af;

    --brand-border: #e5e7eb;
    --brand-bg: #f4f6fb;
    --brand-surface: #ffffff;

    /* Typography scale */
    --font-sans: 'Be Vietnam Pro', 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --fs-page-title: 1.4rem;     /* ~22px */
    --fs-section-title: 1rem;    /* ~16px */
    --fs-body: 0.92rem;          /* ~14.7px */
    --fs-label: 0.82rem;         /* ~13px */
    --fs-small: 0.78rem;         /* ~12.5px */
}

/* ----- Kill rounded corners globally ----- */
body, html,
.card, .card-header, .card-body, .card-footer,
.btn, .btn-group, .btn-group > .btn,
.form-control, .form-select, .input-group-text,
.nav-tabs .nav-link, .nav-pills .nav-link,
.alert, .badge, .progress, .progress-bar,
.modal-content, .modal-header, .modal-footer,
.dropdown-menu, .dropdown-item,
.list-group, .list-group-item,
.toast, .pagination, .page-link,
.table, .table-responsive,
.spinner-border, .spinner-grow,
img.rounded, img.rounded-circle,
[class*="rounded"] {
    border-radius: 0 !important;
}

/* Avatars stay round */
img.rounded-circle.user-avatar,
.user-avatar {
    border-radius: 50% !important;
}

/* ----- Body / typography ----- */
body {
    background: var(--brand-bg) !important;
    color: var(--brand-text) !important;
    font-family: var(--font-sans) !important;
    font-size: var(--fs-body) !important;
    line-height: 1.5 !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Apply font everywhere (some Bootstrap rules force serif/inherit) */
input, button, select, textarea, .btn, .form-control, .form-select,
.nav-link, .dropdown-item, .card, .modal, .alert, .badge, .table {
    font-family: var(--font-sans) !important;
}

/* Headings */
h1, .h1 { font-size: 1.5rem;  font-weight: 700; color: var(--brand-text); line-height: 1.3; }
h2, .h2 { font-size: var(--fs-page-title); font-weight: 700; color: var(--brand-text); line-height: 1.3; }
h3, .h3 { font-size: 1.15rem; font-weight: 600; color: var(--brand-text); line-height: 1.35; }
h4, .h4 { font-size: 1.05rem; font-weight: 600; color: var(--brand-text); line-height: 1.4; }
h5, .h5 { font-size: var(--fs-section-title); font-weight: 600; color: var(--brand-text); line-height: 1.4; }
h6, .h6 { font-size: 0.92rem; font-weight: 600; color: var(--brand-text); line-height: 1.4; }

p { line-height: 1.6; color: var(--brand-text); }

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

.text-muted { color: var(--brand-text-muted) !important; }

/* Placeholders softer */
::placeholder { color: var(--brand-text-placeholder) !important; opacity: 1; }
::-webkit-input-placeholder { color: var(--brand-text-placeholder) !important; }

/* ----- Cards ----- */
.card {
    background: var(--brand-surface) !important;
    border: 1px solid var(--brand-border) !important;
    box-shadow: none !important;
}

.card-header {
    background: var(--brand-surface) !important;
    color: var(--brand-text) !important;
    border-bottom: 1px solid var(--brand-border) !important;
    padding: 14px 18px !important;
    font-size: var(--fs-section-title);
    font-weight: 600;
}

.card-body { padding: 18px !important; }

/* ----- Buttons ----- */
.btn {
    font-family: var(--font-sans) !important;
    font-size: var(--fs-body);
    font-weight: 500;
    padding: 8px 16px;
    line-height: 1.4;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-sm {
    font-size: var(--fs-label);
    padding: 5px 12px;
}

.btn-primary {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--brand-primary-dark) !important;
    border-color: var(--brand-primary-dark) !important;
    color: #fff !important;
}

.btn-outline-primary {
    background: #fff !important;
    border: 1px solid var(--brand-primary) !important;
    color: var(--brand-primary) !important;
}
.btn-outline-primary:hover {
    background: var(--brand-primary) !important;
    color: #fff !important;
}

.btn-secondary,
.btn-outline-secondary {
    background: #fff !important;
    border: 1px solid #d1d5db !important;
    color: #374151 !important;
}
.btn-secondary:hover,
.btn-outline-secondary:hover {
    background: #f3f4f6 !important;
    color: var(--brand-text) !important;
    border-color: #d1d5db !important;
}

.btn-success {
    background: #16a34a !important;
    border-color: #16a34a !important;
    color: #fff !important;
}
.btn-danger {
    background: #dc2626 !important;
    border-color: #dc2626 !important;
    color: #fff !important;
}
.btn-warning {
    background: #f59e0b !important;
    border-color: #f59e0b !important;
    color: #fff !important;
}

/* ----- Forms ----- */
.form-control,
.form-select {
    border: 1px solid #d1d5db !important;
    padding: 0.5rem 0.75rem;
    font-size: var(--fs-body) !important;
    line-height: 1.5;
    background: #fff !important;
    color: var(--brand-text) !important;
    box-shadow: none !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--brand-primary) !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18) !important;
}

.form-control[readonly],
.form-control:disabled,
.form-select:disabled {
    background: #f9fafb !important;
    color: var(--brand-text-muted) !important;
}

.form-label {
    font-size: var(--fs-label) !important;
    font-weight: 500 !important;
    color: #374151 !important;
    margin-bottom: 6px !important;
    letter-spacing: 0;
}

.input-group-text {
    background: #f9fafb !important;
    border: 1px solid #d1d5db !important;
    color: var(--brand-text-muted);
    font-size: var(--fs-body);
}

/* ----- Tables ----- */
.table {
    background: var(--brand-surface);
    color: var(--brand-text);
    margin-bottom: 0;
    font-size: var(--fs-body);
    line-height: 1.45;
}

.table thead th {
    background: #f9fafb;
    color: var(--brand-text-muted);
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    border-bottom: 1px solid var(--brand-border);
    padding: 12px 16px;
}

.table tbody td {
    padding: 14px 16px;
    border-top: 1px solid var(--brand-border);
    vertical-align: middle;
    font-size: var(--fs-body);
    color: var(--brand-text);
}

.table-hover tbody tr:hover {
    background: var(--brand-primary-light) !important;
}

/* Subtle zebra rows */
.table-striped tbody tr:nth-of-type(odd) {
    background: #fafbfc;
}

/* ----- Badges ----- */
.badge {
    font-weight: 600;
    font-size: var(--fs-small);
    padding: 5px 10px;
    letter-spacing: 0;
}
.badge.bg-primary { background: var(--brand-primary) !important; }
.badge.bg-danger { background: #ef4444 !important; }
.badge.bg-warning { background: #f59e0b !important; color: #fff !important; }
.badge.bg-success { background: #16a34a !important; }
.badge.bg-secondary { background: #6b7280 !important; }
.badge.bg-info { background: #0ea5e9 !important; }

/* ----- Alerts ----- */
.alert {
    border: 1px solid transparent;
    padding: 12px 16px;
}
.alert-primary { background: #eff6ff; border-color: #dbeafe; color: #1e40af; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.alert-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-info { background: #ecfeff; border-color: #a5f3fc; color: #155e75; }

/* ----- Modals ----- */
.modal-content {
    border: 1px solid var(--brand-border) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
}
.modal-header {
    border-bottom: 1px solid var(--brand-border);
    background: var(--brand-surface);
    padding: 14px 18px;
}
.modal-footer {
    border-top: 1px solid var(--brand-border);
    background: var(--brand-surface);
    padding: 12px 18px;
}
.modal-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--brand-text);
}

.modal-body {
    font-size: var(--fs-body);
    color: var(--brand-text);
    padding: 18px;
    line-height: 1.55;
}

/* ----- Dropdowns ----- */
.dropdown-menu {
    border: 1px solid var(--brand-border) !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06) !important;
    padding: 4px 0;
}
.dropdown-item {
    padding: 9px 14px;
    font-size: var(--fs-body);
    color: var(--brand-text);
    line-height: 1.4;
}
.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--brand-primary-light);
    color: var(--brand-primary);
}

/* ----- Pagination (Bootstrap) ----- */
.page-link {
    border: 1px solid var(--brand-border);
    color: var(--brand-text);
    padding: 6px 12px;
    margin: 0 2px;
}
.page-item.active .page-link {
    background: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}

/* ----- Navbar / topbar (Bootstrap) ----- */
.navbar.bg-primary,
.navbar.bg-dark {
    background: var(--brand-surface) !important;
    border-bottom: 1px solid var(--brand-border) !important;
}
.navbar.bg-primary .navbar-brand,
.navbar.bg-dark .navbar-brand,
.navbar.bg-primary .nav-link,
.navbar.bg-dark .nav-link {
    color: var(--brand-text) !important;
}

/* ----- Misc utilities ----- */
.shadow,
.shadow-sm,
.shadow-lg {
    box-shadow: none !important;
}

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

/* ----- Login-page specific gradient backgrounds (override) ----- */
body.login-page,
.login-container,
.login-bg {
    background: var(--brand-bg) !important;
}

/* Spinner color uses brand */
.spinner-border,
.spinner-grow {
    color: var(--brand-primary);
}

/* ----- Full-width content (override narrow centered containers) ----- */
.container-narrow,
.profile-container,
.history-container,
.admin-container,
.change-password-container {
    max-width: 100% !important;
    margin: 18px 22px !important;
    padding: 0 !important;
}

/* When inside .app-main, also let .container shrink to full width */
.app-main .container,
.app-main .container-fluid {
    max-width: 100% !important;
}

/* ----- Sidebar layout: keep footer pinned to bottom across all pages ----- */
.app-sidebar {
    display: flex !important;
    flex-direction: column !important;
    min-height: 100vh;
    width: 240px !important;
    background: var(--brand-surface) !important;
    border-right: 1px solid var(--brand-border) !important;
    padding: 0 !important;
}

.app-sidebar .sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--brand-border);
    color: var(--brand-text);
    font-weight: 700;
    flex: 0 0 auto;
}

.app-sidebar .sidebar-brand__icon {
    font-size: 1.25rem;
    color: var(--brand-primary);
}

.app-sidebar .sidebar-brand__text {
    font-size: 1rem;
    color: var(--brand-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-sidebar .sidebar-header {
    padding: 14px 16px 6px 16px !important;
    border-bottom: 0 !important;
    margin-bottom: 0 !important;
    flex: 0 0 auto;
}

.app-sidebar .sidebar-footer {
    margin-top: auto !important;
    flex: 0 0 auto;
}

/* Collapsed state: hide text, narrow width, center icons. Applies everywhere. */
body.sidebar-collapsed .app-sidebar {
    width: 64px !important;
}

body.sidebar-collapsed .app-sidebar .sidebar-brand__text,
body.sidebar-collapsed .app-sidebar .sidebar-text,
body.sidebar-collapsed .app-sidebar .sidebar-title,
body.sidebar-collapsed .app-sidebar .sidebar-footer,
body.sidebar-collapsed .app-sidebar .sidebar-chevron,
body.sidebar-collapsed .app-sidebar .sidebar-sub {
    display: none !important;
}

body.sidebar-collapsed .app-sidebar .sidebar-brand {
    justify-content: center;
    padding: 14px 8px;
}

body.sidebar-collapsed .app-sidebar .sidebar-link,
body.sidebar-collapsed .app-sidebar .sidebar-dropdown-toggle {
    justify-content: center;
    padding: 10px 8px !important;
}

body.sidebar-collapsed .app-sidebar .sidebar-link i,
body.sidebar-collapsed .app-sidebar .sidebar-dropdown-toggle i {
    width: auto !important;
}

/* ----- Sidebar submenu (admin dropdowns) — applies on every page ----- */
.app-sidebar .sidebar-group {
    margin: 0;
}

.app-sidebar .sidebar-dropdown-toggle {
    width: calc(100% - 16px);
    background: transparent !important;
    border: 0 !important;
    text-align: left;
    cursor: pointer;
}

.app-sidebar .sidebar-chevron {
    margin-left: auto;
    font-size: 0.75rem;
    opacity: 0.7;
    transition: transform 0.15s ease;
}

.app-sidebar .sidebar-group.open .sidebar-chevron {
    transform: rotate(180deg);
}

.app-sidebar .sidebar-sub {
    display: none;
    flex-direction: column;
    margin: 2px 8px 4px 8px;
    padding-left: 22px;
    border-left: 1px solid var(--brand-border);
}

.app-sidebar .sidebar-group.open .sidebar-sub {
    display: flex;
}

.app-sidebar .sidebar-sublink {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    color: #4b5563 !important;
    text-decoration: none !important;
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 0 !important;
}

.app-sidebar .sidebar-sublink i {
    width: 16px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--brand-text-muted);
    flex: 0 0 auto;
}

.app-sidebar .sidebar-sublink:hover {
    background: var(--brand-primary-light) !important;
    color: var(--brand-primary) !important;
}

.app-sidebar .sidebar-sublink:hover i {
    color: var(--brand-primary);
}

.app-sidebar .sidebar-sublink.active {
    background: var(--brand-primary-light) !important;
    color: var(--brand-primary) !important;
    font-weight: 600;
}

.app-sidebar .sidebar-sublink.active i {
    color: var(--brand-primary);
}