/* ==========================================================================
   Modern UI & Color-Coded Theme System - ระบบบริหารจัดการงานวิจัย
   ========================================================================== */

:root {
  /* Primary & Brand Colors */
  --primary-navy: #1e3a8a;
  --primary-blue: #2563eb;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
  --header-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #1e3a8a 100%);
  
  /* Section Color Accents */
  --accent-research: #2563eb;       /* Royal Blue - หมวดข้อมูลงานวิจัย */
  --accent-research-bg: #eff6ff;
  --accent-funding: #059669;        /* Emerald - หมวดแหล่งทุน/งบประมาณ */
  --accent-funding-bg: #ecfdf5;
  --accent-team: #7c3aed;           /* Purple - หมวดนักวิจัย/ผู้ทรงคุณวุฒิ */
  --accent-team-bg: #f5f3ff;
  --accent-publish: #0891b2;        /* Cyan/Teal - หมวดตีพิมพ์/เผยแพร่ */
  --accent-publish-bg: #ecfeff;
  --accent-copyright: #ea580c;      /* Orange - หมวดทรัพย์สินทางปัญญา */
  --accent-copyright-bg: #fff7ed;
  
  /* Status Colors */
  --status-success-bg: #dcfce7;
  --status-success-text: #166534;
  --status-success-border: #bbf7d0;

  --status-info-bg: #e0f2fe;
  --status-info-text: #075985;
  --status-info-border: #bae6fd;

  --status-warning-bg: #fef3c7;
  --status-warning-text: #92400e;
  --status-warning-border: #fde68a;

  --status-danger-bg: #fee2e2;
  --status-danger-text: #991b1b;
  --status-danger-border: #fecaca;
  
  /* Neutral / Surface Colors */
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-filter: #f1f5f9;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
  --border-focus: #3b82f6;
  
  /* Shadows & Radii */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 50px;
}

/* ==========================================================================
   Global Base & Typography
   ========================================================================== */
body {
  background-color: var(--bg-body) !important;
  color: var(--text-main);
  font-family: myFirstFont, 'TH Sarabun New', 'Sarabun', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 1.35rem;
  line-height: 1.5;
  letter-spacing: 0.1px;
}

/* ==========================================================================
   Modern Header & Banner
   ========================================================================== */
.modern-header {
  background: var(--header-gradient);
  color: #ffffff;
  padding: 24px 30px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.15);
  border-bottom: 3px solid rgba(255, 255, 255, 0.1);
}

.modern-header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.modern-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.5px;
}

.modern-header h3 {
  font-size: 1.45rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

.modern-header .header-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 8px;
}

/* ==========================================================================
   Modern Navigation Bar
   ========================================================================== */
.custom-navbar {
  background: var(--primary-gradient) !important;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.25);
  padding: 8px 20px !important;
  border: none !important;
}

.custom-navbar .navbar-brand {
  color: #ffffff !important;
  font-weight: bold;
  font-size: 1.4rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

.custom-navbar .navbar-brand:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.custom-navbar .nav-link {
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: 1.35rem !important;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  margin: 0 2px;
}

.custom-navbar .nav-link:hover,
.custom-navbar .nav-item.active .nav-link {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.16);
}

/* Dropdown Menu */
.dropdown-menu {
  border: none !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 8px !important;
  min-width: 260px;
  animation: fadeInDown 0.2s ease-out;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: 8px 14px !important;
  font-size: 1.3rem !important;
  transition: all 0.15s ease;
  color: var(--text-main) !important;
}

.dropdown-item:hover {
  background-color: var(--primary-light) !important;
  color: var(--primary-blue) !important;
  transform: translateX(4px);
}

.dropdown-item h5 {
  font-size: 1.3rem !important;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* User Profile Badge & Login Panel */
.user-profile-badge {
  background: rgba(255, 255, 255, 0.18) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  backdrop-filter: blur(10px);
  border-radius: var(--radius-pill);
  padding: 6px 16px !important;
  color: #ffffff !important;
  font-size: 1.25rem !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-logout {
  background-color: rgba(239, 68, 68, 0.18) !important;
  color: #fee2e2 !important;
  border: 1px solid rgba(239, 68, 68, 0.4) !important;
  border-radius: var(--radius-pill) !important;
  padding: 5px 14px !important;
  font-size: 1.2rem !important;
  text-decoration: none !important;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-logout:hover {
  background-color: #ef4444 !important;
  color: #ffffff !important;
  text-decoration: none !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   Modern Card Containers
   ========================================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-card) !important;
  margin-bottom: 24px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}

.card:hover {
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.09) !important;
}

.card-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light) !important;
  padding: 16px 22px !important;
  font-size: 1.45rem !important;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.card-header i {
  color: var(--primary-blue);
}

.card-body {
  padding: 22px !important;
}

/* Section-Themed Header Variations */
.card-header-research {
  background: linear-gradient(to right, #eff6ff, #ffffff) !important;
  border-left: 5px solid var(--accent-research) !important;
}
.card-header-research i { color: var(--accent-research); }

.card-header-funding {
  background: linear-gradient(to right, #ecfdf5, #ffffff) !important;
  border-left: 5px solid var(--accent-funding) !important;
}
.card-header-funding i { color: var(--accent-funding); }

.card-header-team {
  background: linear-gradient(to right, #f5f3ff, #ffffff) !important;
  border-left: 5px solid var(--accent-team) !important;
}
.card-header-team i { color: var(--accent-team); }

.card-header-publish {
  background: linear-gradient(to right, #ecfeff, #ffffff) !important;
  border-left: 5px solid var(--accent-publish) !important;
}
.card-header-publish i { color: var(--accent-publish); }

.card-header-copyright {
  background: linear-gradient(to right, #fff7ed, #ffffff) !important;
  border-left: 5px solid var(--accent-copyright) !important;
}
.card-header-copyright i { color: var(--accent-copyright); }

/* ==========================================================================
   Search & Filter Box Component
   ========================================================================== */
.filter-panel {
  background-color: var(--bg-filter);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.filter-panel-center {
  justify-content: center;
}

/* Form Controls */
.form-control, 
select.form-control,
.form-inline .form-control {
  font-family: inherit !important;
  font-size: 1.3rem !important;
  height: 42px !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-light) !important;
  padding: 6px 14px !important;
  color: var(--text-main) !important;
  background-color: #ffffff !important;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--border-focus) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18) !important;
  outline: none;
}

textarea.form-control {
  height: auto !important;
  min-height: 80px;
}

/* ==========================================================================
   Modern Buttons
   ========================================================================== */
.btn {
  font-family: inherit !important;
  font-size: 1.3rem !important;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 18px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.btn-sm {
  height: 34px !important;
  font-size: 1.2rem !important;
  padding: 4px 12px !important;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, #1e3a8a, #2563eb) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1e40af, #1d4ed8) !important;
}

.btn-success {
  background: linear-gradient(135deg, #059669, #10b981) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-success:hover {
  background: linear-gradient(135deg, #047857, #059669) !important;
}

.btn-info {
  background: linear-gradient(135deg, #0284c7, #0ea5e9) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-info:hover {
  background: linear-gradient(135deg, #0369a1, #0284c7) !important;
}

.btn-warning {
  background: linear-gradient(135deg, #d97706, #f59e0b) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-warning:hover {
  background: linear-gradient(135deg, #b45309, #d97706) !important;
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-danger:hover {
  background: linear-gradient(135deg, #b91c1c, #dc2626) !important;
}

.btn-secondary {
  background: #64748b !important;
  border: none !important;
  color: #ffffff !important;
}

.btn-outline-primary {
  background: transparent !important;
  border: 1.5px solid var(--primary-blue) !important;
  color: var(--primary-blue) !important;
}
.btn-outline-primary:hover {
  background: var(--primary-blue) !important;
  color: #ffffff !important;
}

/* ==========================================================================
   Modern Tables & Data Grid
   ========================================================================== */
.table-responsive {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow-x: auto;
  background: #ffffff;
}

.table {
  margin-bottom: 0 !important;
  color: var(--text-main);
  border-collapse: separate !important;
  border-spacing: 0;
}

.table thead th,
.table th {
  background: #1e293b !important;
  color: #ffffff !important;
  font-weight: 600;
  font-size: 1.3rem !important;
  padding: 12px 14px !important;
  vertical-align: middle !important;
  border: none !important;
  white-space: nowrap;
}

.table tbody tr {
  transition: background-color 0.15s ease;
}

.table tbody tr:nth-of-type(even) {
  background-color: #f8fafc;
}

.table tbody tr:hover {
  background-color: #eef2ff !important;
}

.table td {
  padding: 10px 14px !important;
  vertical-align: middle !important;
  border-top: 1px solid var(--border-light) !important;
  font-size: 1.3rem !important;
}

/* Modern Soft Tinted Table Rows for Status Highlighting */
tr.row-status-danger {
  background-color: #fef2f2 !important;
  color: #991b1b !important;
}
tr.row-status-danger:hover {
  background-color: #fee2e2 !important;
}

tr.row-status-warning {
  background-color: #fffbeb !important;
  color: #92400e !important;
}
tr.row-status-warning:hover {
  background-color: #fef3c7 !important;
}

tr.row-status-success {
  background-color: #f0fdf4 !important;
  color: #166534 !important;
}
tr.row-status-success:hover {
  background-color: #dcfce7 !important;
}

tr.row-status-normal {
  background-color: #ffffff;
}
tr.row-status-normal:hover {
  background-color: #f1f5f9 !important;
}

/* Action Icon Buttons */
.action-btn-view {
  color: #2563eb !important;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.action-btn-view:hover {
  background: #2563eb;
  color: #ffffff !important;
  text-decoration: none;
}

.action-btn-notify {
  color: #d97706 !important;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.action-btn-notify:hover {
  background: #d97706;
  color: #ffffff !important;
  text-decoration: none;
}

/* Detail Form Table (Label + Value) */
.table-form-detail {
  width: 100%;
  margin-bottom: 0;
}

.table-form-detail td.label-col {
  width: 25%;
  background-color: #f8fafc;
  color: #334155;
  font-weight: 600;
  text-align: right;
  padding: 10px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-light);
}

.table-form-detail td.val-col {
  padding: 8px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-light);
  background-color: #ffffff;
}

/* ==========================================================================
   Color-Coded Badges & Pills
   ========================================================================== */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 1.15rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge-status-success {
  background-color: var(--status-success-bg);
  color: var(--status-success-text);
  border-color: var(--status-success-border);
}

.badge-status-info {
  background-color: var(--status-info-bg);
  color: var(--status-info-text);
  border-color: var(--status-info-border);
}

.badge-status-warning {
  background-color: var(--status-warning-bg);
  color: var(--status-warning-text);
  border-color: var(--status-warning-border);
}

.badge-status-danger {
  background-color: var(--status-danger-bg);
  color: var(--status-danger-text);
  border-color: var(--status-danger-border);
}

.badge-academic {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.badge-support {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

/* Currency & Number Formatting */
.text-currency {
  font-family: 'Consolas', 'Courier New', monospace, sans-serif;
  font-weight: 600;
  color: #059669;
}

/* ==========================================================================
   Tab Navigation / Sub-Navigations
   ========================================================================== */
.modern-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 20px;
  padding-bottom: 4px;
}

.modern-tab-item {
  padding: 8px 18px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.modern-tab-item:hover {
  color: var(--primary-blue);
  background-color: var(--primary-light);
  text-decoration: none;
}

.modern-tab-item.active {
  color: var(--primary-blue);
  border-bottom: 3px solid var(--primary-blue);
  background-color: var(--primary-light);
}

/* Utility Spacing */
.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 14px !important; }
.gap-4 { gap: 20px !important; }

/* Additional Section Theme Headers */
.card-header-status {
  background: linear-gradient(to right, #ecfdf5, #ffffff) !important;
  border-left: 5px solid #059669 !important;
}
.card-header-status i { color: #059669; }

.card-header-audience {
  background: linear-gradient(to right, #eff6ff, #ffffff) !important;
  border-left: 5px solid #4f46e5 !important;
}
.card-header-audience i { color: #4f46e5; }

.card-header-location {
  background: linear-gradient(to right, #f0fdfa, #ffffff) !important;
  border-left: 5px solid #0d9488 !important;
}
.card-header-location i { color: #0d9488; }

.card-header-publication {
  background: linear-gradient(to right, #ecfeff, #ffffff) !important;
  border-left: 5px solid #0891b2 !important;
}
.card-header-publication i { color: #0891b2; }

.card-header-group {
  background: linear-gradient(to right, #eff6ff, #ffffff) !important;
  border-left: 5px solid #2563eb !important;
}
.card-header-group i { color: #2563eb; }

.card-header-analytics {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%) !important;
  color: #ffffff !important;
}
.card-header-analytics i { color: #ffffff !important; }

/* Border color accents */
.border-purple { border-color: #7c3aed !important; }
.border-teal { border-color: #0d9488 !important; }

/* Text colors */
.text-purple { color: #7c3aed !important; }
.text-teal { color: #0d9488 !important; }

/* Button variants */
.btn-purple {
  background: linear-gradient(135deg, #6d28d9, #7c3aed) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-purple:hover {
  background: linear-gradient(135deg, #5b21b6, #6d28d9) !important;
  color: #ffffff !important;
}

.btn-teal {
  background: linear-gradient(135deg, #0f766e, #0d9488) !important;
  border: none !important;
  color: #ffffff !important;
}
.btn-teal:hover {
  background: linear-gradient(135deg, #115e59, #0f766e) !important;
  color: #ffffff !important;
}

/* Modal styling */
.modal-content-modern {
  border: none !important;
  border-radius: var(--radius-lg) !important;
  overflow: hidden;
}

.modal-header-modern {
  background: var(--header-gradient) !important;
  color: #ffffff !important;
  border-bottom: none !important;
}