/* ==========================================
   ADAMTOOL — Auth Pages CSS
   Shared by login.html and auth/callback.html
   ========================================== */

:root {
  --green-50: #ecfdf5;
  --green-100: #d1fae5;
  --green-200: #a7f3d0;
  --green-300: #6ee7b7;
  --green-400: #34d399;
  --green-500: #10b981;
  --green-600: #059669;
  --green-700: #047857;
  --green-800: #065f46;
  --green-900: #064e3b;
  --green-950: #022c22;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --text-heading: #022c22;
  --text-body: #374151;
  --text-muted: #6b7280;
  --border-soft: rgba(16, 185, 129, 0.15);
  --radius-pill: 100px;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Outfit', sans-serif;
  background: #fafdf8;
  color: var(--text-body);
  min-height: 100vh;
}

/* ==========================================
   LAYOUT
   ========================================== */
.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ==========================================
   LEFT PANEL — Branding
   ========================================== */
.auth-brand {
  background: linear-gradient(160deg, var(--green-900) 0%, var(--green-950) 100%);
  padding: clamp(2rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.brand-blob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.brand-blob-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.brand-blob-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.1) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 1;
}

.auth-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--green-500), var(--amber-400));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.auth-brand-content {
  position: relative;
  z-index: 1;
  padding-bottom: 2rem;
}

.auth-brand-content h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: white;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.auth-brand-content > p {
  font-size: 1.1rem;
  color: var(--green-300);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 380px;
}

.auth-perks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.perk {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green-200);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
}

.perk-icon {
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================
   RIGHT PANEL — Form
   ========================================== */
.auth-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  background: #fafdf8;
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.auth-card-header {
  margin-bottom: 2.5rem;
}

.auth-card-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -1px;
  margin-bottom: 0.5rem;
}

.auth-card-header p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

/* Form elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: white;
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.input-wrapper:focus-within {
  border-color: var(--green-400);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-wrapper input {
  border: none;
  outline: none;
  background: transparent;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  color: var(--text-heading);
  width: 100%;
}

.input-wrapper input::placeholder {
  color: var(--text-muted);
}

/* Submit button */
.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  background: var(--green-900);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  margin-bottom: 1.5rem;
}

.btn-submit:hover:not(:disabled) {
  background: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(6, 95, 70, 0.2);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error */
.error-msg {
  padding: 12px 16px;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: var(--radius-md);
  color: #dc2626;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Success state */
.success-state {
  text-align: center;
  padding: 2rem 0;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--green-50);
  border: 2px solid var(--green-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  animation: pop 0.4s var(--ease-out-expo);
}

@keyframes pop {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.success-state h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.75px;
  margin-bottom: 0.75rem;
}

.success-state p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Footer note */
.auth-footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

.auth-footer-note a {
  color: var(--green-700);
  text-decoration: none;
  font-weight: 600;
}

.auth-footer-note a:hover {
  text-decoration: underline;
}

.link-btn {
  background: none;
  border: none;
  color: var(--green-700);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

/* Callback / Loading page */
.auth-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
  background: #fafdf8;
}

.auth-loading .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-900);
  margin-bottom: 3rem;
}

.loading-ring {
  width: 64px;
  height: 64px;
  border: 3px solid var(--green-100);
  border-top-color: var(--green-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1.5rem;
}

.auth-loading h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 0.5rem;
}

.auth-loading p {
  color: var(--text-muted);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    min-height: 240px;
    padding: 2rem;
    justify-content: flex-start;
    gap: 1.5rem;
  }

  .auth-brand-content h2 { font-size: 1.5rem; }
  .auth-perks { display: none; }
  .brand-blob-1, .brand-blob-2 { display: none; }
}