/* ============================================================
   DAIJO Technologies PMS - Main Stylesheet
   Design: Professional Industrial / Clean Blue-Steel
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary:       #0070c0;
  --primary-dark:  #004f8a;
  --primary-light: #e0f0ff;
  --accent:        #7a5c00;
  --accent-light:  #f5edd6;
  --success:       #1a7a4a;
  --success-light: #e6f5ee;
  --warning:       #b86800;
  --warning-light: #fff3e0;
  --danger:        #b91c1c;
  --danger-light:  #fee2e2;
  --surface:       #ffffff;
  --surface-2:     #f4f6fb;
  --surface-3:     #eaeff8;
  --border:        #d0d9ee;
  --border-dark:   #b0bdd8;
  --text:          #1a2540;
  --text-2:        #4a5880;
  --text-3:        #8090b0;
  --sidebar-bg:    #003e7a;
  --sidebar-text:  #c8d4ee;
  --sidebar-hover: rgba(255,255,255,0.08);
  --sidebar-active:#0070c0;
  --header-height: 60px;
  --sidebar-width: 240px;
  --radius:        8px;
  --radius-lg:     12px;
  --shadow-sm:     0 1px 3px rgba(0,90,158,0.08);
  --shadow:        0 2px 8px rgba(0,90,158,0.12);
  --shadow-lg:     0 8px 24px rgba(0,90,158,0.16);
  --font:          'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --transition:    0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #002a5e 0%, #0070c0 60%, #004f8a 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.login-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
  padding: 48px;
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  animation: slideUp 0.4s ease;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 16px;
}

.login-logo h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.3;
}

.login-logo p {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,112,192,0.12);
}

.form-control::placeholder { color: var(--text-3); }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.input-group {
  display: flex;
  gap: 8px;
}

.input-group .form-control { flex: 1; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #155f3a; transform: translateY(-1px); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #991b1b; }

.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #9a5600; }

.btn-outline { background: transparent; border-color: var(--border-dark); color: var(--text-2); }
.btn-outline:hover { background: var(--surface-2); border-color: var(--primary); color: var(--primary); }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { padding: 7px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

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

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition);
  overflow: hidden;
}

.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  background: white;
  border-radius: 8px;
  padding: 3px;
}

.sidebar-brand-text {
  flex: 1;
  overflow: hidden;
}

.sidebar-brand-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
}

.sidebar-brand-text span {
  font-size: 0.72rem;
  color: var(--sidebar-text);
  opacity: 0.7;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(200,212,238,0.4);
  padding: 12px 20px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  margin: 1px 0;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: white;
}

.nav-item.active {
  background: rgba(0,112,192,0.4);
  border-left-color: #5b9af5;
  color: white;
}

.nav-item .nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-item.active .nav-icon, .nav-item:hover .nav-icon { opacity: 1; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.user-details strong {
  display: block;
  font-size: 0.82rem;
  color: white;
  line-height: 1.2;
}

.user-details span {
  font-size: 0.72rem;
  color: var(--sidebar-text);
  opacity: 0.7;
  text-transform: capitalize;
}

.btn-logout {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--sidebar-text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  transition: all var(--transition);
  font-family: var(--font);
}

.btn-logout:hover { background: rgba(185,28,28,0.2); border-color: rgba(185,28,28,0.3); color: #fca5a5; }

/* MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-header {
  height: var(--header-height);
  background: white;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.page-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-3);
}

.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

.content-area {
  padding: 24px;
  flex: 1;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.card-body { padding: 20px; }

/* ============================================================
   STATS / DASHBOARD
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.blue  { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-icon.red   { background: var(--danger-light); color: var(--danger); }

.stat-info strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.stat-info span {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 4px;
  display: block;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  background: var(--surface-2);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface-2); }

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.badge-blue    { background: var(--primary-light); color: var(--primary); }
.badge-green   { background: var(--success-light); color: var(--success); }
.badge-amber   { background: var(--warning-light); color: var(--warning); }
.badge-red     { background: var(--danger-light); color: var(--danger); }
.badge-gray    { background: var(--surface-3); color: var(--text-2); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,26,64,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active { display: flex; animation: fadeIn 0.2s ease; }

.modal {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}

.modal-lg { max-width: 900px; }
.modal-xl { max-width: 1100px; }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: white;
  z-index: 1;
}

.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  position: sticky;
  bottom: 0;
  background: white;
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-3);
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition);
}

.btn-close:hover { background: var(--surface-2); color: var(--text); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-success { background: var(--success-light); color: var(--success); border: 1px solid rgba(26,122,74,0.2); }
.alert-danger  { background: var(--danger-light);  color: var(--danger);  border: 1px solid rgba(185,28,28,0.2); }
.alert-warning { background: var(--warning-light); color: var(--warning); border: 1px solid rgba(184,104,0,0.2); }
.alert-info    { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(0,112,192,0.2); }

/* ============================================================
   INVOICE / BILLING SPECIFIC
   ============================================================ */
.item-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}

.item-table thead th {
  background: var(--primary);
  color: white;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.item-table tbody td {
  padding: 8px;
  vertical-align: top;
}

.item-table tbody td input, .item-table tbody td select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 0.85rem;
  font-family: var(--font);
  background: var(--surface);
}

.item-table tbody td input:focus, .item-table tbody td select:focus {
  outline: none;
  border-color: var(--primary);
}

.totals-block {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-left: auto;
  min-width: 300px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.totals-row:last-child { border-bottom: none; }
.totals-row.total-final {
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary-dark);
  margin-top: 4px;
  padding-top: 10px;
  border-top: 2px solid var(--primary);
}

/* ============================================================
   SEARCH INPUT
   ============================================================ */
.search-box {
  position: relative;
}

.search-box input {
  padding-left: 36px;
}

.search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

/* ============================================================
   AUTOCOMPLETE DROPDOWN
   ============================================================ */
.autocomplete-wrapper { position: relative; }
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  z-index: 50;
  max-height: 220px;
  overflow-y: auto;
  display: none;
}

.autocomplete-list.show { display: block; }
.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover, .autocomplete-item.selected { background: var(--primary-light); color: var(--primary); }

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  gap: 0;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
  transition: all var(--transition);
}

.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .sidebar, .top-header, .btn, .no-print { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .content-area { padding: 0 !important; }
  .print-doc { box-shadow: none !important; border: none !important; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-in { animation: slideUp 0.3s ease both; }

/* ============================================================
   UTILITIES
   ============================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: 0.8rem; }
.text-muted { color: var(--text-3); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.font-mono { font-family: var(--font-mono); }
.w-full { width: 100%; }
.hidden { display: none !important; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   v1.2 ADDITIONS
   ============================================================ */

/* Mobile sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}
.sidebar-overlay.active { display: block; }

#sidebarToggle { display: none; }

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 100;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
  }
  .main-content { margin-left: 0 !important; }
  #sidebarToggle { display: flex !important; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .top-header { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .content-area { padding: 12px; }
  #att-bar { order: 2; width: 100%; }
}

/* Date picker enhancement */
.flatpickr-input { cursor: pointer; }

/* Unbilled hours panel in billing forms */
.unbilled-panel {
  background: var(--primary-light);
  border: 1px solid rgba(0,112,192,0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 12px;
  display: none;
}
.unbilled-panel.show { display: block; }
.unbilled-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,112,192,0.1);
  font-size: 0.85rem;
}
.unbilled-row:last-child { border-bottom: none; }
.unbilled-total {
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
  font-size: 0.9rem;
}

/* HR thread view */
.thread-msg {
  border-left: 3px solid var(--primary);
  padding: 12px 16px;
  margin-bottom: 10px;
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.thread-msg.reply {
  border-left-color: var(--success);
  background: var(--success-light);
  margin-left: 24px;
}
.thread-msg-meta {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 6px;
}