/* =====================================================
   MARCH MATRIX — Military Attendance Management System
   Professional Theme v2.0
   ===================================================== */

:root {
  --navy:        #0d1b2a;
  --navy-mid:    #1b2e45;
  --navy-light:  #243b55;
  --accent:      #1565c0;
  --accent-dark: #0d47a1;
  --green:       #2e7d32;
  --gold:        #b8860b;
  --gold-bright: #f0c040;
  --white:       #ffffff;
  --bg:          #f0f3f8;
  --card-bg:     #ffffff;
  --text:        #1e293b;
  --text-muted:  #64748b;
  --border:      rgba(0,0,0,0.07);
  --shadow:      0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover:0 6px 28px rgba(0,0,0,0.14);
  --radius:      10px;
  --radius-sm:   6px;
  --tr:          0.22s ease;
}

/* ── BODY ─────────────────────────────────────────── */
body {
  background-color: var(--bg) !important;
  font-family: 'Source Sans 3','Segoe UI',Arial,sans-serif !important;
  color: var(--text) !important;
  font-size: 13.5px !important;
}

/* ── SIDEBAR ──────────────────────────────────────── */
.app-sidebar {
  background: var(--navy) !important;
  border-right: none !important;
  box-shadow: 4px 0 24px rgba(0,0,0,0.25) !important;
}

/* Brand / Logo strip */
.sidebar-brand {
  background: var(--navy-mid) !important;
  border-bottom: 1px solid rgba(255,255,255,0.06) !important;
  min-height: 56px !important;
  display: flex !important;
  align-items: center !important;
}

.sidebar-brand .brand-link {
  padding: 10px 14px !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  border-bottom: none !important;
  text-decoration: none !important;
  width: 100% !important;
}

.sidebar-brand .brand-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #0d47a1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  color: #fff;
}

.sidebar-brand .brand-text {
  color: #ffffff !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  letter-spacing: 0.3px !important;
  line-height: 1.25 !important;
}

.sidebar-brand .brand-sub {
  color: rgba(255,255,255,0.5) !important;
  font-size: 10px !important;
  font-weight: 400 !important;
  letter-spacing: 0.8px !important;
  text-transform: uppercase !important;
  display: block !important;
}

/* Role badge under brand */
.sidebar-role-badge {
  margin: 10px 12px 4px;
  padding: 5px 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 20px;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  text-align: center;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255,255,255,0.08);
}

/* Nav menu */
.nav.sidebar-menu {
  padding: 6px 0 12px !important;
}

/* Section divider labels */
.sidebar-section-label {
  padding: 10px 16px 4px;
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.sidebar-menu > .nav-item {
  margin: 1px 8px !important;
}

.sidebar-menu > .nav-item > .nav-link {
  border-radius: 8px !important;
  padding: 9px 12px !important;
  color: rgba(255,255,255,0.78) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  transition: var(--tr) !important;
}

.sidebar-menu > .nav-item > .nav-link:hover {
  background: rgba(255,255,255,0.08) !important;
  color: #ffffff !important;
}

.sidebar-menu > .nav-item.menu-open > .nav-link,
.sidebar-menu > .nav-item > .nav-link.active {
  background: var(--accent) !important;
  color: #ffffff !important;
  box-shadow: 0 2px 10px rgba(21,101,192,0.4) !important;
}

.nav-icon {
  width: 22px !important;
  text-align: center !important;
  font-size: 15px !important;
  flex-shrink: 0 !important;
}

.nav-arrow {
  margin-left: auto !important;
  font-size: 11px !important;
  transition: var(--tr) !important;
}

/* Treeview submenu */
.nav-treeview {
  padding: 2px 0 2px 30px !important;
  background: transparent !important;
}

.nav-treeview > .nav-item > .nav-link {
  padding: 6px 10px !important;
  color: rgba(255,255,255,0.6) !important;
  font-size: 12.5px !important;
  border-radius: 6px !important;
  transition: var(--tr) !important;
}

.nav-treeview > .nav-item > .nav-link:hover {
  background: rgba(255,255,255,0.06) !important;
  color: rgba(255,255,255,0.9) !important;
}

.nav-treeview > .nav-item > .nav-link.active {
  background: rgba(21,101,192,0.35) !important;
  color: #90caf9 !important;
}

/* ── HEADER ───────────────────────────────────────── */
.app-header {
  background: #ffffff !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.07) !important;
  border-bottom: 1px solid rgba(0,0,0,0.05) !important;
  min-height: 56px !important;
}

.app-header .navbar-nav .nav-link {
  color: #495057 !important;
  font-weight: 500 !important;
  padding: 8px 10px !important;
  border-radius: 6px !important;
  transition: var(--tr) !important;
  font-size: 15px !important;
}

.app-header .navbar-nav .nav-link:hover {
  background: #f0f3f8 !important;
  color: var(--accent) !important;
}

.header-unit-info {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text) !important;
  padding: 0 8px !important;
}

.header-unit-info span {
  color: var(--text-muted);
  font-weight: 400;
}

.header-datetime {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 10px;
  background: #f0f3f8;
  border-radius: 20px;
  white-space: nowrap;
}

/* ── CONTENT AREA ─────────────────────────────────── */
.app-content-header {
  background: transparent !important;
  padding: 16px 0 6px !important;
}

.app-content-header h3 {
  font-size: 19px !important;
  font-weight: 700 !important;
  color: var(--navy) !important;
  letter-spacing: -0.2px !important;
}

.app-content {
  background: transparent !important;
  padding: 0 16px 28px !important;
}

/* Back button */
.btn-back {
  font-size: 12.5px !important;
  padding: 5px 12px !important;
  border-radius: 6px !important;
  background: #ffffff !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  box-shadow: var(--shadow) !important;
  transition: var(--tr) !important;
}

.btn-back:hover {
  background: var(--navy) !important;
  color: #fff !important;
  border-color: var(--navy) !important;
}

/* ── CARDS ────────────────────────────────────────── */
.card {
  border: none !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow) !important;
  transition: var(--tr) !important;
}

.card:hover {
  box-shadow: var(--shadow-hover) !important;
}

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 14px 18px !important;
  font-weight: 600 !important;
  font-size: 14px !important;
}

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

/* ── STAT BOXES ───────────────────────────────────── */
.small-box {
  border-radius: 12px !important;
  overflow: hidden !important;
  box-shadow: 0 4px 18px rgba(0,0,0,0.13) !important;
  transition: var(--tr) !important;
  position: relative !important;
}

.small-box:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 10px 32px rgba(0,0,0,0.22) !important;
}

.small-box .inner { padding: 14px 18px 14px !important; }

.small-box .inner h3 {
  font-size: 2rem !important;
  font-weight: 800 !important;
  line-height: 1.1 !important;
  margin-bottom: 4px !important;
}

.small-box .inner h4 {
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  opacity: 0.88 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.3px !important;
}

.small-box-icon {
  font-size: 4.5rem !important;
  position: absolute !important;
  right: -6px !important;
  bottom: -10px !important;
  opacity: 0.15 !important;
}

/* ── TABLES ───────────────────────────────────────── */
.table {
  font-size: 13px !important;
}

.table thead tr th {
  background: var(--navy) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
  font-size: 12px !important;
  letter-spacing: 0.5px !important;
  text-transform: uppercase !important;
  border: none !important;
  padding: 10px 14px !important;
  white-space: nowrap !important;
}

.table tbody tr {
  border-bottom: 1px solid rgba(0,0,0,0.04) !important;
  transition: var(--tr) !important;
}

.table tbody tr:hover {
  background: rgba(21,101,192,0.04) !important;
}

.table tbody tr td {
  padding: 7px 14px !important;
  vertical-align: middle !important;
  border-color: rgba(0,0,0,0.04) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: rgba(0,0,0,0.016) !important;
}

/* Panel wrapper (legacy) */
.panel {
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow) !important;
  overflow: hidden !important;
  border: none !important;
}

.panel .panel-heading {
  background: var(--navy) !important;
  border-radius: 0 !important;
  padding: 12px 18px !important;
}

.panel .panel-body .table thead tr th {
  background: var(--navy-mid) !important;
  color: #fff !important;
  font-size: 12px !important;
  padding: 10px 14px !important;
}

/* DataTables */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  padding: 4px 10px !important;
  font-size: 13px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
  border-radius: 6px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: #f0f3f8 !important;
  border-color: var(--border) !important;
  color: var(--accent) !important;
  border-radius: 6px !important;
}

/* ── BUTTONS ──────────────────────────────────────── */
.btn {
  border-radius: var(--radius-sm) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  padding: 6px 14px !important;
  transition: var(--tr) !important;
  letter-spacing: 0.1px !important;
}

.btn:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 14px rgba(0,0,0,0.14) !important;
}

.btn-primary  { background: var(--accent) !important;       border-color: var(--accent) !important; }
.btn-success  { background: var(--green) !important;        border-color: var(--green) !important; }
.btn-secondary{ background: var(--navy-mid) !important;     border-color: var(--navy-mid) !important; color:#fff !important; }
.btn-warning  { color: #fff !important; }
.btn-sm       { padding: 4px 10px !important; font-size: 12px !important; }

.action-list .btn {
  padding: 4px 8px !important;
  font-size: 12px !important;
}

/* ── FORMS ────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-sm) !important;
  border-color: #d1d5db !important;
  font-size: 13.5px !important;
  padding: 7px 12px !important;
  transition: var(--tr) !important;
  background: #fff !important;
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(21,101,192,0.1) !important;
}

label.form-label, label {
  font-weight: 600 !important;
  font-size: 12.5px !important;
  color: var(--navy) !important;
  margin-bottom: 4px !important;
}

.input-group-text {
  background: #f8f9fa !important;
  border-color: #d1d5db !important;
  color: var(--text-muted) !important;
  font-size: 14px !important;
}

/* ── ALERTS ───────────────────────────────────────── */
.alert {
  border-radius: 8px !important;
  font-size: 13.5px !important;
  border: none !important;
  border-left: 4px solid !important;
}

.alert-danger  { border-left-color: #c62828 !important; background: #fef2f2 !important; color: #7f1d1d !important; }
.alert-success { border-left-color: #2e7d32 !important; background: #f0fdf4 !important; color: #14532d !important; }
.alert-warning { border-left-color: #e65100 !important; background: #fff7ed !important; color: #7c2d12 !important; }

/* ── MODALS ───────────────────────────────────────── */
.modal-content {
  border-radius: 14px !important;
  border: none !important;
  box-shadow: 0 24px 64px rgba(0,0,0,0.22) !important;
}

.modal-header {
  background: var(--navy) !important;
  color: #fff !important;
  border-radius: 14px 14px 0 0 !important;
  padding: 14px 20px !important;
}

.modal-title { font-size: 15px !important; font-weight: 600 !important; }
.modal-header .btn-close { filter: invert(1) !important; }
.modal-body  { padding: 20px !important; }
.modal-footer{ padding: 12px 20px !important; border-top: 1px solid var(--border) !important; }

/* ── FOOTER ───────────────────────────────────────── */
.app-footer {
  background: #ffffff !important;
  border-top: 1px solid var(--border) !important;
  padding: 10px 20px !important;
  font-size: 12px !important;
  color: var(--text-muted) !important;
}

.app-footer a { color: var(--accent) !important; }

/* ── USER DROPDOWN ────────────────────────────────── */
.dropdown-menu.dropdown-menu-xl {
  border-radius: 12px !important;
  border: none !important;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15) !important;
  min-width: 260px !important;
  overflow: hidden !important;
}

.user-header {
  background: linear-gradient(135deg, var(--navy), var(--accent-dark)) !important;
  padding: 18px 16px 14px !important;
  text-align: center !important;
}

.user-header .user-image {
  width: 60px !important;
  height: 60px !important;
  object-fit: cover !important;
  border: 3px solid rgba(255,255,255,0.3) !important;
}

.user-header h4 {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #fff !important;
  margin: 8px 0 0 !important;
}

.user-body {
  padding: 14px 16px 8px !important;
  background: #fff !important;
}

.user-body p { margin: 4px 0 !important; font-size: 12.5px !important; color: var(--text) !important; }
.user-body h2 { font-size: 13px !important; font-weight: 700 !important; color: var(--navy) !important; margin-bottom: 8px !important; border-bottom: 1px solid var(--border) !important; padding-bottom: 6px !important; }

.user-footer {
  padding: 10px 16px !important;
  background: #f8f9fa !important;
  border-top: 1px solid var(--border) !important;
}

/* ── LOADER ───────────────────────────────────────── */
#loader {
  background: rgba(13,27,42,0.88) !important;
  backdrop-filter: blur(5px) !important;
}

.loader8 {
  border-color: transparent var(--accent) !important;
  width: 64px !important;
  height: 64px !important;
  border-width: 4px !important;
  border-style: solid !important;
  border-radius: 50% !important;
  animation: loader8 0.9s linear infinite !important;
  top: calc(50% - 32px) !important;
  left: calc(50% - 32px) !important;
}

/* ── PAGE-HEADER BREADCRUMB ROW ───────────────────── */
.app-content-header .btn {
  font-size: 12.5px !important;
  padding: 5px 12px !important;
}

/* ── CLICKABLE TABLE ROWS ─────────────────────────── */
.clickable-row { cursor: pointer !important; }

/* ── BADGE ────────────────────────────────────────── */
.badge {
  font-size: 10.5px !important;
  font-weight: 600 !important;
  padding: 3px 7px !important;
  border-radius: 4px !important;
  letter-spacing: 0.2px !important;
}

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 991.98px) {
  .header-unit-info { display: none !important; }
  .header-datetime  { display: none !important; }
}

@media (max-width: 767.98px) {
  .app-content { padding: 0 8px 20px !important; }
  .app-content-header h3 { font-size: 16px !important; }
  .small-box .inner h3 { font-size: 1.6rem !important; }
  .table { font-size: 12px !important; }
  .btn  { font-size: 12px !important; padding: 5px 10px !important; }
  .card-body { padding: 12px !important; }
  .modal-content { border-radius: 8px !important; }
  .table thead tr th { font-size: 11px !important; padding: 8px 10px !important; }
  .table tbody tr td { padding: 6px 10px !important; }
}

@media (max-width: 575.98px) {
  .small-box { margin-bottom: 10px !important; }
  .app-content-header .row .col-sm-6:last-child { margin-top: 6px; }
}

/* ── PRINT ─────────────────────────────────────────── */
@media print {
  .app-sidebar, .app-header, .app-footer, #loader { display: none !important; }
  .app-main { margin: 0 !important; }
  .app-content { padding: 0 !important; }
}