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

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-warning: #d97706;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
}

html { font-size: 16px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }
.main-content { padding: var(--space-lg) 0; }

.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.navbar-brand { font-weight: 700; font-size: 1.1rem; color: var(--color-primary); }
.navbar-menu {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    padding: var(--space-sm) 0;
}
.navbar-menu.active { display: block; }
.navbar-menu a { display: block; padding: var(--space-sm) var(--space-md); color: var(--color-text); }
.navbar-menu a:hover, .navbar-menu a.active { background: var(--color-bg); color: var(--color-primary); text-decoration: none; }
.navbar-toggle { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text); padding: var(--space-xs); }
.navbar-user { padding: var(--space-sm) var(--space-md); color: var(--color-text-light); font-size: 0.875rem; border-top: 1px solid var(--color-border); margin-top: var(--space-xs); }
/* Bell + hamburger grouped on mobile */
.navbar-controls { display: flex; align-items: center; gap: var(--space-xs); }

.flash { padding: var(--space-sm) var(--space-md); border-radius: var(--radius); margin-bottom: var(--space-md); font-size: 0.9rem; }
.flash-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.flash-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

.form-group { margin-bottom: var(--space-md); }
.form-group label { display: block; font-weight: 600; margin-bottom: var(--space-xs); font-size: 0.9rem; }
.form-control { width: 100%; padding: var(--space-sm) var(--space-md); border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 1rem; font-family: inherit; background: var(--color-surface); transition: border-color 0.15s, box-shadow 0.15s; }
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
.form-control.is-invalid { border-color: var(--color-danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15); }
.form-error { color: var(--color-danger); font-size: 0.8rem; margin-top: var(--space-xs); }
.form-group.has-error label { color: var(--color-danger); }
.form-select { width: 100%; padding: var(--space-sm) var(--space-md); border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 1rem; background: var(--color-surface); cursor: pointer; }
.form-select.is-invalid { border-color: var(--color-danger); }

.btn { display: inline-block; padding: var(--space-sm) var(--space-md); border: none; border-radius: var(--radius); font-size: 0.9rem; font-weight: 600; cursor: pointer; text-align: center; transition: background 0.15s; font-family: inherit; }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-danger { background: var(--color-danger); color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-border-hover); }
.btn-sm { padding: var(--space-xs) var(--space-sm); font-size: 0.8rem; }

.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.table th, .table td { padding: var(--space-sm) var(--space-md); text-align: left; border-bottom: 1px solid var(--color-border); }
.table th { background: var(--color-bg); font-weight: 600; font-size: 0.85rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.05em; }

.card { background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: var(--space-lg); margin-bottom: var(--space-md); }
.card-title { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--space-md); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-admin { background: #dbeafe; color: #1e40af; }
.badge-editor { background: #fef3c7; color: #92400e; }
.badge-reader { background: #e2e8f0; color: #475569; }
.badge-active { background: #dcfce7; color: #166534; }
.badge-inactive { background: #fee2e2; color: #991b1b; }

.toggle { display: flex; align-items: center; gap: var(--space-sm); cursor: pointer; }
.toggle input { display: none; }
.toggle-slider { width: 44px; height: 24px; background: var(--color-border); border-radius: 12px; position: relative; transition: background 0.2s; }
.toggle-slider::after { content: ''; width: 20px; height: 20px; background: white; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: transform 0.2s; }
.toggle input:checked + .toggle-slider { background: var(--color-success); }
.toggle input:checked + .toggle-slider::after { transform: translateX(20px); }

.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: var(--space-sm); }

.login-wrapper { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: var(--space-md); }
.login-card { width: 100%; max-width: 400px; }
.login-card .card-title { text-align: center; }

/* === Nav Dropdowns === */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.nav-arrow { font-size: 0.7em; transition: transform 0.2s; }

/* Mobile: submenus are inline (accordion style) */
.nav-dropdown-menu {
    display: none;
    padding-left: var(--space-md);
    background: var(--color-bg);
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown.open .nav-arrow { transform: rotate(180deg); }
.nav-dropdown-menu a { display: block; padding: var(--space-xs) var(--space-md); color: var(--color-text); font-size: 0.9rem; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a.active { color: var(--color-primary); background: var(--color-surface); text-decoration: none; }
.nav-dropdown-divider { height: 1px; background: var(--color-border); margin: var(--space-xs) var(--space-md); }

@media (min-width: 768px) {
    .navbar-toggle { display: none; }
    .navbar-controls { order: 1; }
    .navbar-menu { display: flex !important; position: static; border: none; box-shadow: none; padding: 0; align-items: center; gap: var(--space-xs); order: 0; flex: 1; }
    .navbar-menu > a, .nav-dropdown-toggle { display: inline-flex; padding: var(--space-xs) var(--space-sm); border-radius: var(--radius); }
    .navbar-user { border-top: none; margin-top: 0; margin-left: auto; padding: 0; display: flex; align-items: center; gap: var(--space-sm); }
    .navbar .container { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: var(--space-xs); }

    /* Desktop: submenus are absolute dropdowns on hover */
    .nav-dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 220px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        box-shadow: 0 4px 16px rgba(0,0,0,0.12);
        padding: var(--space-xs) 0;
        z-index: 200;
    }
    .nav-dropdown:hover .nav-dropdown-menu,
    .nav-dropdown.open .nav-dropdown-menu { display: block; }
    .nav-dropdown-menu a {
        display: block;
        padding: var(--space-sm) var(--space-md);
        white-space: nowrap;
        font-size: 0.85rem;
        border-radius: 0;
    }
    .nav-dropdown-divider { margin: var(--space-xs) 0; }
}

@media (min-width: 1024px) {
    .container { padding: 0 var(--space-xl); }
}

/* === Action Dropdown Menu === */
.action-dropdown {
    position: relative;
    display: inline-block;
}
.action-dropdown-toggle {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.action-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    min-width: 220px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    z-index: 50;
    padding: var(--space-xs) 0;
}
.action-dropdown.open .action-dropdown-menu {
    display: block;
}
.action-dropdown-menu a,
.action-dropdown-menu button,
.action-dropdown-menu .dropdown-item {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.action-dropdown-menu a:hover,
.action-dropdown-menu button:hover,
.action-dropdown-menu .dropdown-item:hover {
    background: var(--color-bg);
    text-decoration: none;
}
.action-dropdown-menu .dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-xs) 0;
}
.action-dropdown-menu .dropdown-item-danger {
    color: var(--color-danger);
}

/* === Dashboard Tiles === */
.dashboard-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.dashboard-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-lg);
    text-decoration: none;
    color: var(--color-text);
    transition: box-shadow 0.15s, border-color 0.15s;
}
.dashboard-tile:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(37,99,235,0.1);
    text-decoration: none;
}
.dashboard-tile-count {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-xs);
}
.dashboard-tile-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
}
.dashboard-tile-count.text-warning { color: var(--color-warning); }
.dashboard-tile-count.text-danger { color: var(--color-danger); }
.dashboard-tile-count.text-primary { color: var(--color-primary); }
.dashboard-tile-count.text-success { color: var(--color-success); }

/* === Approval Banner === */
.approval-banner {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}
.approval-banner-text {
    font-weight: 600;
    color: #92400e;
}

/* === Role badge colors === */
.badge-pdl { background: #7c3aed; color: white; }
.badge-office { background: #0891b2; color: white; }

/* === Status badges (documents + versions) === */
.badge-draft     { background: #f1f5f9; color: #475569; }
.badge-pending   { background: #fef3c7; color: #92400e; }
.badge-published { background: #dcfce7; color: #166534; }
.badge-approved  { background: #dcfce7; color: #166534; }
.badge-rejected  { background: #fee2e2; color: #991b1b; }
.badge-archived  { background: #e2e8f0; color: #64748b; }

/* === Notification severity (border-left marker) === */
.notification-item.is-critical { border-left: 3px solid var(--color-danger); }
.notification-item.is-info     { border-left: 3px solid var(--color-primary); }
.notification-item.is-success  { border-left: 3px solid var(--color-success); }

/* === Empty state === */
.empty-state { text-align: center; padding: var(--space-xl) var(--space-md); color: var(--color-text-light); }
.empty-state-icon { font-size: 3rem; margin-bottom: var(--space-md); opacity: 0.5; }
.empty-state-title { font-size: 1.1rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-sm); }
.empty-state-description { margin-bottom: var(--space-md); }

/* === Modal (used by confirm-modal partial) === */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.modal-card { position: relative; background: var(--color-surface); border-radius: var(--radius); padding: var(--space-lg); max-width: 480px; width: 90%; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.modal-title { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-sm); }
.modal-message { color: var(--color-text-light); margin-bottom: var(--space-md); }
.modal-actions { display: flex; gap: var(--space-sm); justify-content: flex-end; }

/* === Pagination === */
.pagination { display: flex; gap: var(--space-xs); justify-content: center; padding: var(--space-md) 0; flex-wrap: wrap; }
.pagination-item { padding: var(--space-xs) var(--space-sm); border-radius: var(--radius); color: var(--color-text); border: 1px solid var(--color-border); background: var(--color-surface); font-size: 0.9rem; }
.pagination-item:hover { background: var(--color-bg); text-decoration: none; }
.pagination-item.is-current { background: var(--color-primary); color: white; border-color: var(--color-primary); cursor: default; }
.pagination-ellipsis { padding: var(--space-xs) var(--space-sm); color: var(--color-text-light); }