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

:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --bg-gradient-start: #e0f2fe;
  --bg-gradient-end: #d1fae5;
  --glass-bg: rgba(255, 255, 255, 0.4);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: rgba(31, 38, 135, 0.07);
  --glass-blur: blur(12px);
  --text-main: #1e293b;
  --text-muted: #64748b;
  --error: #ef4444;
  --warning: #f59e0b;
}

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

body {
  font-family: 'Sarabun', sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, #ffffff 50%, var(--bg-gradient-end) 100%);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px 60px;
  position: relative;
  overflow-x: hidden;
  /* background-attachment: fixed; */
}

/* Animated Ambient Orbs */
body::before, body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 20s infinite alternate ease-in-out;
}
body::before {
  width: 450px; height: 450px;
  background: rgba(16, 185, 129, 0.3); /* Primary green */
  top: -100px; left: -100px;
}
body::after {
  width: 400px; height: 400px;
  background: rgba(56, 189, 248, 0.3); /* Soft blue */
  bottom: -100px; right: -100px;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 40px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Glassmorphism Utilities */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  border-radius: 24px;
  position: relative;
  z-index: 1;
}

.glass-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 16px 0 rgba(31, 38, 135, 0.05);
  border-radius: 18px;
  padding: 20px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.04);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.glass-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: all 0.5s ease;
}

.glass-btn:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.2);
  border-color: var(--primary-light);
  color: var(--primary-dark);
}

.glass-btn:hover::before {
  left: 100%;
}

.glass-btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  box-shadow: 0 8px 20px -5px rgba(16, 185, 129, 0.4);
}
.glass-btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  box-shadow: 0 12px 25px -5px rgba(16, 185, 129, 0.5);
  transform: translateY(-4px);
}

/* Glass Inputs */
.glass-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
  color: var(--text-main);
  font-family: 'Sarabun', sans-serif;
  font-size: 1em;
  transition: all 0.3s ease;
}
.glass-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2), inset 0 2px 4px rgba(0,0,0,0.02);
}

/* Headers & Typography */
h1, h2, h3 {
  line-height: 1.3;
}
.text-gradient {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animations */
.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.animate-pop { animation: pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pop {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

/* Page Wrapper */
.page-wrap {
  width: 100%;
  max-width: 560px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 24px;
}

/* Alerts */
.alert {
  border-radius: 14px;
  padding: 12px 18px;
  width: 100%;
  margin-bottom: 20px;
  font-size: 0.9em;
  font-weight: 600;
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  z-index: 1;
  animation: fadeIn 0.5s ease;
}
.alert-warning {
  background: rgba(254, 243, 199, 0.7);
  border: 1px solid rgba(253, 230, 138, 0.9);
  color: #b45309;
}
.alert-error {
  background: rgba(254, 242, 242, 0.7);
  border: 1px solid rgba(254, 202, 202, 0.9);
  color: var(--error);
}
.alert-success {
  background: rgba(240, 253, 244, 0.7);
  border: 1px solid rgba(187, 247, 208, 0.9);
  color: var(--primary-dark);
}