:root {
  --bg-color: #06080d;
  --card-bg: rgba(15, 21, 34, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: #10b981;
  --primary: #10b981;
  --primary-hover: #059669;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: rgba(239, 68, 68, 0.3);
  --danger-text: #fca5a5;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-border: rgba(16, 185, 129, 0.3);
  --success-text: #6ee7b7;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  position: relative;
  overflow-x: hidden;
  perspective: 1000px;
}

#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

.top-badge-wrapper {
  text-align: center;
  margin-bottom: 14px;
  animation: fadeInDown 0.8s ease;
}

.season-badge {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: 2px;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.brand-header {
  text-align: center;
  margin-bottom: 24px;
  animation: fadeInUp 1s ease;
}

.logo-icon-wrapper {
  display: inline-block;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.4));
  animation: float 4s infinite ease-in-out;
}

.wheat-icon {
  width: 64px;
  height: 64px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.brand-title {
  font-family: 'Cinzel', serif;
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: 7px;
  background: linear-gradient(135deg, #ffffff 20%, #a7f3d0 70%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.tagline {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 4px;
  margin-top: 4px;
  min-height: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.tagline-green {
  color: var(--primary);
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.tagline-gray {
  color: var(--text-muted);
}

.hero-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  transition: opacity 0.3s ease;
  min-height: 20px;
}

.auth-box {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7);
  transition: transform 0.1s ease-out;
  transform-style: preserve-3d;
  animation: fadeInUp 1.2s ease;
}

.tabs {
  display: flex;
  background: rgba(6, 8, 13, 0.8);
  padding: 5px;
  border-radius: 14px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
  gap: 4px;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 11px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25) 0%, rgba(16, 185, 129, 0.05) 100%);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-form.hidden {
  display: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.form-group input {
  background: rgba(6, 8, 13, 0.85);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 0.95rem;
  outline: none;
  width: 100%;
  transition: all 0.2s ease;
}

.form-group input:focus {
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrapper input {
  padding-right: 45px;
}

.toggle-password {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: color 0.2s ease;
}

.toggle-password:hover {
  color: var(--text-main);
}

.eye-icon {
  width: 20px;
  height: 20px;
}

.strength-meter {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

.strength-bar {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  border: none;
  padding: 15px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
  transform: translateY(-2px);
}

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

.alert {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.alert-error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}