/* Custom Theme - Normal Round (รอบปกติ)
   Design Concept: 60-30-10 Rule (Light Background & Dark Typography with Blue / Sky Blue Accents)
   - 60% Dominant: Light Sky/Off-White Background (#f0f7ff, #ffffff)
   - 30% Secondary: Dark Navy/Deep Slate Typography & Structural Framing (#0f172a, #1e3a8a, #334155)
   - 10% Accent: Vibrant Royal Blue & Sky Blue Highlights (#0284c7, #2563eb, #38bdf8)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
  /* 60% Dominant Light Backgrounds */
  --bg-main: #f0f7ff;
  --bg-card: #ffffff;
  --bg-card-border: #bae6fd;
  
  /* 30% Secondary Typography & Structure */
  --text-dark: #0f172a;
  --text-navy-dark: #1e3a8a;
  --text-muted: #475569;
  --sidebar-bg: #0a192f;
  --sidebar-text: #bae6fd;
  
  /* 10% Accent Color (Blue & Sky Blue Highlights) */
  --accent-blue: #0284c7;
  --accent-blue-bright: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #1d4ed8 0%, #38bdf8 100%);
  --accent-glow: rgba(56, 189, 248, 0.4);
}

body {
  background-color: var(--bg-main) !important;
  background-image: 
    radial-gradient(at 10% 10%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(29, 78, 216, 0.05) 0px, transparent 50%) !important;
  background-attachment: fixed !important;
  font-family: 'Prompt', 'Inter', -apple-system, sans-serif !important;
  color: var(--text-dark) !important;
}

.content-wrapper {
  background: transparent !important;
  position: relative;
}

/* Navbar Customization */
.main-header.navbar {
  background: #ffffff !important;
  border-bottom: 2px solid #7dd3fc !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important;
}

.main-header.navbar .nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
}

.main-header.navbar .nav-link:hover {
  color: var(--accent-blue) !important;
}

/* Round Badge Normal */
.round-badge-normal {
  background: var(--accent-gradient);
  color: #ffffff !important;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.88rem;
  box-shadow: 0 4px 12px var(--accent-glow);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Sidebar Customization */
.main-sidebar {
  background: var(--sidebar-bg) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.brand-link {
  background: #061121 !important;
  border-bottom: 1px solid rgba(56, 189, 248, 0.25) !important;
}

.brand-link .brand-text {
  color: #ffffff !important;
  font-weight: 700 !important;
}

.nav-sidebar .nav-item > .nav-link.active {
  background: var(--accent-gradient) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.4);
  font-weight: 600;
}

.nav-sidebar .nav-link {
  color: var(--sidebar-text) !important;
}

.nav-sidebar .nav-link:hover {
  background: rgba(56, 189, 248, 0.18) !important;
  color: #ffffff !important;
}

/* Cards & Content containers */
.card {
  background: var(--bg-card) !important;
  border-radius: 16px !important;
  border: 1px solid var(--bg-card-border) !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.04) !important;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  box-shadow: 0 15px 30px -5px rgba(2, 132, 199, 0.1) !important;
}

.card-header {
  border-top-left-radius: 16px !important;
  border-top-right-radius: 16px !important;
  background: #f0f9ff !important;
  border-bottom: 1px solid #e0f2fe !important;
}

.card-title {
  color: var(--text-navy-dark) !important;
  font-weight: 700 !important;
}

/* Buttons (10% Accent Blue) */
.bg-primary, .btn-primary, .btn-info {
  background: var(--accent-gradient) !important;
  border: none !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px var(--accent-glow);
  border-radius: 10px;
  font-weight: 600;
}

.btn-primary:hover, .btn-info:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.4);
}

/* Info Boxes / Small Boxes */
.small-box {
  border-radius: 16px !important;
  overflow: hidden;
  box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.06) !important;
}

.small-box.bg-info, .small-box.bg-primary {
  background: var(--accent-gradient) !important;
}

/* Table styling */
.table thead th {
  background-color: #e0f2fe !important;
  color: var(--text-navy-dark) !important;
  border-bottom: 2px solid #bae6fd !important;
  font-weight: 600;
}

.table td, .table th {
  color: var(--text-dark);
}

/* Form Controls */
.form-control:focus {
  border-color: var(--accent-blue-bright) !important;
  box-shadow: 0 0 0 0.2rem rgba(56, 189, 248, 0.25) !important;
}

/* Login & Register Cards */
.login-card-body, .register-card-body {
  border-radius: 16px;
  background: #ffffff !important;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
  border-top: 4px solid var(--accent-blue);
}