@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Kanit:wght@200;300;400;500;600;700&display=swap');

:root {
  --primary: #00b894;
  --primary-dark: #00a884;
  --primary-light: rgba(0, 184, 148, 0.1);
  --secondary: #0984e3;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --error: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --glass: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.3);
}

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

body {
  font-family: 'Inter', 'Kanit', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- Layout --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.topbar.scrolled {
  padding: 0.75rem 2rem;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand h1 {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

#userLine {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 500px;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.7)), 
              url('https://images.unsplash.com/photo-1596711785432-44b2420d9cb2?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  padding: 2rem;
  margin-bottom: -100px;
  clip-path: ellipse(150% 100% at 50% 0%);
}

.hero h2 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  opacity: 0.9;
  font-weight: 300;
  animation: fadeInUp 1s ease-out 0.2s both;
}

/* --- Panels & Forms --- */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 10;
}

.panel {
  background: var(--surface);
  border-radius: 24px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
  animation: slideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-panel {
  max-width: 480px;
  margin: 100px auto;
  text-align: center;
}

.auth-panel h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.login-form, .entry-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.entry-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

input, select {
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: #fcfcfc;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px var(--primary-light);
}

input[readonly] {
  background: #f1f5f9;
  cursor: not-allowed;
  font-weight: 700;
}

/* --- Buttons --- */
button {
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

button:not(.ghost) {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

button:not(.ghost):hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
}

button:active {
  transform: translateY(0);
}

.ghost {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.ghost:hover {
  background: var(--primary-light);
}

.wide { grid-column: 1 / -1; }

/* --- Navigation & Tabs --- */
.tabs {
  display: flex;
  background: var(--border);
  padding: 6px;
  border-radius: 16px;
  margin-bottom: 2rem;
  gap: 4px;
}

.tab {
  flex: 1;
  background: transparent;
  color: var(--text-muted);
  box-shadow: none;
  border-radius: 10px;
}

.tab.active {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.tab:hover:not(.active) {
  background: rgba(255, 255, 255, 0.5);
  transform: none;
}

/* --- Dashboard Elements --- */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.stat {
  background: white;
  padding: 1.5rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: transform 0.3s ease;
}

.stat:hover {
  transform: translateY(-5px);
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}

.metric-value {
  font-size: 2.25rem;
  font-weight: 800;
  margin-top: 0.5rem;
  color: var(--text);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
}

.card h3 {
  font-size: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card .row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f1f5f9;
}

.card .row:last-child { border-bottom: none; }

.table-wrap {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 2.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th {
  background: #f8fafc;
  padding: 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  text-align: right;
}

td:first-child, th:first-child { text-align: left; }

/* --- Status & Helpers --- */
.status {
  padding: 0.75rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-top: 1rem;
  text-align: center;
}

.status.error { background: #fee2e2; color: #b91c1c; }
.status.success { background: #d1fae5; color: #065f46; }

.rate-green { color: var(--success); }
.rate-yellow { color: var(--warning); }
.rate-red { color: var(--error); }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

[hidden] { display: none !important; }

@media (max-width: 768px) {
  .hero h2 { font-size: 2.5rem; }
  .topbar { padding: 1rem; }
  .entry-grid { grid-template-columns: 1fr; }
}