/* =========================================================
   NYALI INSTITUTE HRMS — Logo-Themed Stylesheet
   Palette:
     Sky Blue   #38B6E8
     Leaf Green #7CC242
     Deep Blue  #1E88C7
     Deep Green #5EA32E
     Slate      #1F2D3D
   ========================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

:root {
    --brand-blue:        #38B6E8;
    --brand-blue-dark:   #1E88C7;
    --brand-blue-light:  #E8F6FD;
    --brand-green:       #7CC242;
    --brand-green-dark:  #5EA32E;
    --brand-green-light: #F0F9E8;

    --primary:         var(--brand-blue);
    --primary-dark:    var(--brand-blue-dark);
    --secondary:       var(--brand-green);
    --secondary-dark:  var(--brand-green-dark);

    --success: #22c55e;
    --danger:  #ef4444;
    --warning: #f59e0b;
    --info:    var(--brand-blue);

    --bg:            #f5f9fc;
    --card:          #ffffff;
    --border:        #e2eef5;
    --text:          #1F2D3D;
    --text-light:    #64748b;
    --sidebar:       #1F2D3D;
    --sidebar-hover: #2d3f53;

    --brand-gradient:      linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-green) 100%);
    --brand-gradient-soft: linear-gradient(135deg, var(--brand-blue-light) 0%, var(--brand-green-light) 100%);
}

html, body { height: 100%; }
body {
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* =========================================================
   APP LAYOUT
   ========================================================= */
.app-wrapper { display: flex; min-height: 100vh; }

/* =========================================================
   SIDEBAR
   ========================================================= */
.sidebar {
    width: 250px;
    background: var(--sidebar);
    color: #cbd5e1;
    padding: 20px 0;
    overflow-y: auto;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    border-right: 1px solid #2d3f53;
    z-index: 9999 !important;
    pointer-events: auto;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: #3a4a5e; border-radius: 3px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: var(--brand-blue); }

.brand {
    padding: 0 20px 22px;
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #2d3f53;
    margin-bottom: 15px;
    letter-spacing: 0.3px;
}
.brand img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    padding: 4px;
    object-fit: contain;
}
.brand span { color: #fff; }

.nav-menu {
    display: flex;
    flex-direction: column;
    padding-bottom: 40px;
    position: relative;
    z-index: 2;
}

/* Standalone dashboard link */
.nav-link.standalone {
    padding: 12px 20px;
    color: #cbd5e1;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 13.5px;
    font-weight: 600;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    position: relative;
    z-index: 2;
    cursor: pointer;
}
.nav-link.standalone:hover {
    background: var(--sidebar-hover);
    color: #fff;
    border-left-color: var(--brand-blue);
}
.nav-link.standalone.active {
    background: linear-gradient(90deg, rgba(56,182,232,0.18) 0%, rgba(124,194,66,0.10) 100%);
    color: #fff;
    border-left-color: var(--brand-green);
}
.nav-link.standalone i { width: 18px; text-align: center; font-size: 14px; }

/* =========================================================
   COLLAPSIBLE NAV GROUPS
   ========================================================= */
.nav-section {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.nav-group-toggle {
    background: transparent;
    border: none;
    color: #cbd5e1;
    text-align: left;
    width: 100%;
    padding: 12px 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 11px;
    transition: all 0.2s ease;
    font-family: inherit;
    border-left: 3px solid transparent;
    position: relative;
    z-index: 2;
    pointer-events: auto !important;
}
.nav-group-toggle:hover {
    background: var(--sidebar-hover);
    color: #fff;
    border-left-color: var(--brand-blue);
}
.nav-group-toggle > i:first-child {
    width: 18px;
    text-align: center;
    font-size: 14px;
}
.nav-group-toggle > span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nav-group-toggle .nav-chevron {
    font-size: 10px;
    transition: transform 0.25s ease;
    opacity: 0.6;
    width: auto;
    color: var(--brand-green);
}
.nav-section.open .nav-group-toggle {
    color: #fff;
    background: rgba(255,255,255,0.03);
    border-left-color: var(--brand-green);
}
.nav-section.open .nav-group-toggle .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-submenu {
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0,0,0,0.15);
}
.nav-section.open .nav-submenu { max-height: 600px; }

.nav-submenu .nav-link {
    padding: 10px 20px 10px 42px;
    color: #b1c1d3;
    text-decoration: none;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    border-left: 3px solid transparent;
    transition: all 0.15s;
    z-index: 2;
    cursor: pointer;
}
.nav-submenu .nav-link::before {
    content: '';
    position: absolute;
    left: 26px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #64748b;
    transition: all 0.2s;
}
.nav-submenu .nav-link:hover {
    background: var(--sidebar-hover);
    color: #fff;
}
.nav-submenu .nav-link:hover::before {
    background: var(--brand-blue);
    width: 7px;
    height: 7px;
}
.nav-submenu .nav-link.active {
    background: linear-gradient(90deg, rgba(56,182,232,0.18) 0%, rgba(124,194,66,0.10) 100%);
    color: #fff;
    border-left-color: var(--brand-green);
}
.nav-submenu .nav-link.active::before {
    background: var(--brand-green);
    width: 8px;
    height: 8px;
    box-shadow: 0 0 0 3px rgba(124,194,66,0.25);
}
.nav-submenu .nav-link i {
    width: 16px;
    font-size: 12.5px;
    text-align: center;
}

/* =========================================================
   MAIN CONTENT
   ========================================================= */
.main-content {
    flex: 1;
    margin-left: 250px;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.topbar {
    background: #fff;
    padding: 14px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(31,45,61,0.04);
}
.topbar h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.2px;
}
.topbar h1::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--brand-gradient);
    border-radius: 2px;
    margin-right: 12px;
    vertical-align: middle;
}
.user-menu { display: flex; align-items: center; gap: 14px; }
.role-badge {
    background: var(--brand-blue-light);
    color: var(--brand-blue-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
}
.btn-logout {
    color: var(--danger);
    font-size: 17px;
    transition: transform 0.2s;
    text-decoration: none;
}
.btn-logout:hover { transform: scale(1.15); }

.page-content { padding: 25px 30px 60px; }

/* =========================================================
   CARDS
   ========================================================= */
.card {
    background: var(--card);
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 1px 3px rgba(31,45,61,0.05), 0 1px 2px rgba(31,45,61,0.03);
    margin-bottom: 20px;
    border: 1px solid var(--border);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.card-header h3 {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.1px;
}

/* =========================================================
   STATS GRID
   ========================================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}
.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 1px 3px rgba(31,45,61,0.05);
    border-left: 4px solid var(--brand-blue);
    transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(31,45,61,0.08); }

.stat-card.blue   { border-color: var(--brand-blue); }
.stat-card.green  { border-color: var(--brand-green); }
.stat-card.orange { border-color: var(--warning); }
.stat-card.purple { border-color: #8b5cf6; }
.stat-card.teal   { border-color: #14b8a6; }
.stat-card.red    { border-color: var(--danger); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--brand-blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--brand-blue);
    flex-shrink: 0;
}
.stat-card.blue   .stat-icon { background: var(--brand-blue-light);  color: var(--brand-blue); }
.stat-card.green  .stat-icon { background: var(--brand-green-light); color: var(--brand-green); }
.stat-card.orange .stat-icon { background: #fef3c7; color: #b45309; }
.stat-card.purple .stat-icon { background: #ede9fe; color: #7c3aed; }
.stat-card.teal   .stat-icon { background: #ccfbf1; color: #0d9488; }
.stat-card.red    .stat-icon { background: #fee2e2; color: #b91c1c; }

.stat-info h3 { font-size: 24px; font-weight: 700; color: var(--text); line-height: 1.2; }
.stat-info p  { color: var(--text-light); font-size: 12.5px; margin-top: 2px; }

/* =========================================================
   GRID
   ========================================================= */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* =========================================================
   TABLES
   ========================================================= */
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table thead th {
    text-align: left;
    padding: 13px 14px;
    font-size: 11.5px;
    text-transform: uppercase;
    color: var(--text-light);
    font-weight: 700;
    letter-spacing: 0.5px;
    background: #f8fbfd;
    border-bottom: 2px solid var(--border);
}
.data-table td {
    padding: 13px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
    position: relative;
}
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--brand-blue-light); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .empty { text-align: center; color: var(--text-light); padding: 40px 15px; font-style: italic; }

/* =========================================================
   STATUS BADGES
   ========================================================= */
.status, .badge, .priority {
    display: inline-block;
    padding: 4px 11px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: capitalize;
    letter-spacing: 0.2px;
    white-space: nowrap;
}
.status-active, .status-approved, .status-present, .status-completed,
.status-hired, .status-paid, .status-processed {
    background: var(--brand-green-light);
    color: var(--brand-green-dark);
}
.status-inactive, .status-pending, .status-processing, .status-draft,
.status-applied, .status-screening {
    background: #fef3c7;
    color: #92400e;
}
.status-suspended, .status-rejected, .status-absent, .status-cancelled,
.status-expired, .status-resigned {
    background: #fee2e2;
    color: #991b1b;
}
.status-late, .status-half_day, .status-interview, .status-assessment,
.status-remote, .status-offer {
    background: var(--brand-blue-light);
    color: var(--brand-blue-dark);
}
.status-leave, .status-holiday {
    background: #ede9fe;
    color: #6d28d9;
}
.badge { background: var(--brand-blue-light); color: var(--brand-blue-dark); }

.priority-low    { background: var(--brand-green-light); color: var(--brand-green-dark); }
.priority-medium { background: #fef9c3; color: #854d0e; }
.priority-high   { background: #fee2e2; color: #991b1b; }
.priority-urgent { background: #dc2626; color: #fff; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
    padding: 9px 18px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: inherit;
    letter-spacing: 0.1px;
}
.btn-primary {
    background: var(--brand-gradient);
    color: #fff;
    box-shadow: 0 2px 6px rgba(56,182,232,0.25);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-green-dark) 100%);
    box-shadow: 0 4px 12px rgba(56,182,232,0.35);
    transform: translateY(-1px);
}
.btn-secondary { background: #e8eef3; color: var(--text); }
.btn-secondary:hover { background: #d5dfe8; }
.btn-success { background: var(--brand-green); color: #fff; }
.btn-success:hover { background: var(--brand-green-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 6px 13px; font-size: 12px; border-radius: 6px; }

.btn-icon {
    background: transparent;
    border: none;
    padding: 6px 8px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 14px;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}
.btn-icon:hover { color: var(--brand-blue); background: var(--brand-blue-light); }
.btn-icon.danger:hover  { color: var(--danger); background: #fee2e2; }
.btn-icon.success:hover { color: var(--brand-green-dark); background: var(--brand-green-light); }

/* =========================================================
   TOOLBAR
   ========================================================= */
.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}
.search-box {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13.5px;
    min-width: 250px;
    outline: none;
    background: #fff;
    transition: border 0.2s, box-shadow 0.2s;
    font-family: inherit;
}
.search-box:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(56,182,232,0.12);
}

/* =========================================================
   FORMS
   ========================================================= */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.1px;
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13.5px;
    outline: none;
    font-family: inherit;
    background: #fff;
    color: var(--text);
    transition: border 0.2s, box-shadow 0.2s;
    width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(56,182,232,0.12);
}
.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 6px;
    accent-color: var(--brand-blue);
}

/* =========================================================
   MODALS
   ========================================================= */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(31,45,61,0.55);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(3px);
}
.modal.active,
.modal[style*="display:flex"],
.modal[style*="display: flex"] {
    display: flex !important;
}
.modal-content {
    background: #fff;
    border-radius: 14px;
    padding: 26px;
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(31,45,61,0.25);
    animation: modalIn 0.2s ease-out;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-content.large { max-width: 900px; }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 17px; font-weight: 700; color: var(--text); }
.close {
    font-size: 26px;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
    transition: color 0.15s, transform 0.15s;
}
.close:hover { color: var(--danger); transform: rotate(90deg); }
.modal-footer {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* =========================================================
   ACTIVITY FEED
   ========================================================= */
.activity-feed { list-style: none; }
.activity-feed li {
    display: flex;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    align-items: flex-start;
}
.activity-feed li:last-child { border-bottom: none; }
.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-gradient);
    margin-top: 6px;
    flex-shrink: 0;
    box-shadow: 0 0 0 3px var(--brand-blue-light);
}
.activity-feed small {
    display: block;
    color: var(--text-light);
    font-size: 11.5px;
    margin-top: 3px;
}

/* =========================================================
   PROGRESS BAR
   ========================================================= */
.progress-bar {
    background: #e2eef5;
    border-radius: 20px;
    height: 20px;
    overflow: hidden;
    position: relative;
    min-width: 80px;
}
.progress-bar > div {
    background: var(--brand-gradient);
    height: 100%;
    color: #fff;
    font-size: 10.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 0.4s ease;
    border-radius: 20px;
}

/* =========================================================
   PAYSLIP
   ========================================================= */
.payslip { background: #fff; padding: 30px; }
.payslip-header {
    text-align: center;
    border-bottom: 3px solid;
    border-image: var(--brand-gradient) 1;
    padding-bottom: 18px;
    margin-bottom: 22px;
}
.payslip-header h2 {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}
.payslip-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 22px;
    font-size: 13.5px;
    padding: 15px;
    background: var(--brand-blue-light);
    border-radius: 10px;
}
.payslip-info label {
    font-weight: 700;
    color: var(--brand-blue-dark);
    margin-right: 6px;
    font-size: 12.5px;
}
.payslip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 22px;
}
.payslip-section h4 {
    background: var(--brand-gradient-soft);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 12px;
    color: var(--brand-blue-dark);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.payslip-section table { width: 100%; font-size: 13px; }
.payslip-section td {
    padding: 7px 8px;
    border-bottom: 1px solid var(--border);
}
.payslip-section tr.total td {
    font-weight: 700;
    background: var(--brand-blue-light);
    border-top: 2px solid var(--brand-blue);
    color: var(--brand-blue-dark);
}
.payslip-net {
    text-align: right;
    border-top: 3px solid;
    border-image: var(--brand-gradient) 1;
    padding-top: 18px;
}
.payslip-net h3 {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 26px;
    letter-spacing: -0.5px;
}

.funder-table { width: 100%; font-size: 13px; }
.funder-table th {
    background: var(--brand-blue-light);
    padding: 10px;
    text-align: left;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--brand-blue-dark);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.funder-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.funder-table tr.total td {
    background: var(--brand-green-light);
    border-top: 2px solid var(--brand-green);
    font-weight: 700;
    color: var(--brand-green-dark);
}

/* =========================================================
   TABS
   ========================================================= */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.tab {
    padding: 11px 18px;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    font-family: inherit;
}
.tab:hover { color: var(--brand-blue); }
.tab.active {
    color: var(--brand-blue-dark);
    border-bottom-color: var(--brand-blue);
}

/* =========================================================
   MESSAGES
   ========================================================= */
.message-list, .team-list { list-style: none; }
.message-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.message-item:hover { background: var(--brand-blue-light); border-radius: 8px; padding-left: 8px; padding-right: 8px; }
.message-item.unread { background: var(--brand-blue-light); padding: 12px; border-radius: 10px; }
.msg-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--brand-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    flex-shrink: 0;
}
.msg-body { flex: 1; min-width: 0; }
.msg-body strong { color: var(--text); }
.msg-body p { color: var(--text-light); font-size: 13px; margin-top: 2px; }
.msg-body small { color: var(--text-light); font-size: 11.5px; }
.team-list li {
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}
.team-list li i { color: var(--brand-green); }

/* =========================================================
   ALERTS
   ========================================================= */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 13.5px;
    font-weight: 500;
}
.alert-success { background: var(--brand-green-light); color: var(--brand-green-dark); border-left: 4px solid var(--brand-green); }
.alert-error   { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.alert-info    { background: var(--brand-blue-light); color: var(--brand-blue-dark); border-left: 4px solid var(--brand-blue); }

/* =========================================================
   LOGIN PAGE
   ========================================================= */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background:
        radial-gradient(circle at 15% 20%, rgba(56,182,232,0.22) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(124,194,66,0.22) 0%, transparent 45%),
        linear-gradient(135deg, #f5f9fc 0%, #e8f6fd 50%, #f0f9e8 100%);
    position: relative;
    overflow: hidden;
}
.login-page::before,
.login-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.35;
    z-index: 0;
    pointer-events: none;
}
.login-page::before {
    width: 420px; height: 420px;
    background: var(--brand-blue);
    top: -160px; left: -160px;
}
.login-page::after {
    width: 420px; height: 420px;
    background: var(--brand-green);
    bottom: -160px; right: -160px;
}
.login-box {
    background: #fff;
    padding: 90px 40px 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 60px rgba(31,45,61,0.15), 0 0 0 1px rgba(56,182,232,0.08);
    position: relative;
    z-index: 1;
    text-align: center;
    margin-top: 60px;
}
.login-logo {
    position: absolute;
    top: -65px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    box-shadow: 0 12px 35px rgba(56,182,232,0.28), 0 0 0 6px #fff, 0 0 0 8px var(--brand-blue-light);
    overflow: hidden;
    animation: logoGlow 4s ease-in-out infinite;
}
.login-logo img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
@keyframes logoGlow {
    0%, 100% { box-shadow: 0 12px 35px rgba(56,182,232,0.28), 0 0 0 6px #fff, 0 0 0 8px var(--brand-blue-light); }
    50%      { box-shadow: 0 12px 35px rgba(124,194,66,0.38), 0 0 0 6px #fff, 0 0 0 8px var(--brand-green-light); }
}
.login-box h1 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}
.login-box h1 .nyale { color: var(--brand-blue); }
.login-box h1 .institute { color: var(--brand-green); }
.login-box .subtitle {
    color: var(--text-light);
    margin-bottom: 28px;
    font-size: 13px;
    font-weight: 500;
}
.login-box .form-group { margin-bottom: 16px; text-align: left; }
.login-box .form-group label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    display: block;
}
.login-box .form-group input {
    padding: 13px 16px;
    font-size: 14px;
    background: #f8fbfd;
    border: 2px solid transparent;
    width: 100%;
    border-radius: 10px;
    outline: none;
    transition: all 0.2s;
    font-family: inherit;
    color: var(--text);
}
.login-box .form-group input:focus {
    background: #fff;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 4px rgba(56,182,232,0.12);
}
.login-box .btn-login {
    width: 100%;
    padding: 14px;
    font-size: 14.5px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-green) 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.25s ease;
    box-shadow: 0 6px 18px rgba(56,182,232,0.3);
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.login-box .btn-login:hover {
    background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-green-dark) 100%);
    box-shadow: 0 10px 25px rgba(56,182,232,0.4);
    transform: translateY(-2px);
}
.login-box .btn-login:active { transform: translateY(0); }
.login-box .alert-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 11px 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 13px;
    text-align: left;
    border-left: 4px solid var(--danger);
}
.login-footer {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-light);
}
.login-footer strong { color: var(--text); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
    .sidebar { width: 70px; }
    .brand span { display: none; }
    .brand { padding: 0 0 15px; justify-content: center; }
    .nav-group-toggle { justify-content: center; padding: 12px; }
    .nav-group-toggle > span,
    .nav-group-toggle .nav-chevron { display: none; }
    .nav-submenu .nav-link { justify-content: center; padding: 10px; }
    .nav-submenu .nav-link::before { display: none; }
    .nav-submenu .nav-link span { display: none; }
    .nav-link.standalone span { display: none; }
    .nav-link.standalone { justify-content: center; }
    .main-content { margin-left: 70px; }
    .grid-2, .form-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-content { padding: 15px; }
    .topbar { padding: 12px 15px; }
    .topbar h1 { font-size: 16px; }
    .topbar h1::before { display: none; }
    .payslip-grid { grid-template-columns: 1fr; }
    .payslip-info { grid-template-columns: 1fr; }
}