/* Design System Tokens */
:root {
  --font-primary: 'Arimo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-secondary: 'Arimo', sans-serif;

  /* Guggen Mountain Brand Palette - Permanent Light Theme for Legibility */
  --bg-primary: transparent; 
  --text-primary: #0f172a;       /* Highly readable dark slate */
  --text-secondary: #334155;     /* Slate gray for labels and helper text */
  --primary-accent: #2e5a31;     /* Guggen Mountain themed Forest Green */
  --primary-hover: #1b361c;      /* Darker Green for hover */
  --primary-focus: rgba(46, 90, 49, 0.15);
  
  --card-bg: transparent; 
  --card-border: transparent;
  --input-bg: #ffffff;           /* Clear white background for text inputs */
  --input-border: #cbd5e1;       /* Clean border */
  --input-focus-border: #2e5a31;
  
  --success-color: #108043;
  --success-bg: #e3f1df;
  --error-color: #de3618;
  --error-bg: #fbeae5;
  
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;

  --radius-sm: 4px;              /* Clean technical corners */
  --radius-md: 4px;
  --radius-lg: 4px;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 0% 0%, hsla(210, 100%, 75%, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(250, 100%, 75%, 0.12) 0px, transparent 50%);
}

.app-container {
  width: 100%;
  max-width: 640px;
  perspective: 1000px;
}

/* Glassmorphism Card */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 10px 40px -10px rgba(15, 23, 42, 0.15);
}

/* Header */
.card-header {
  margin-bottom: 32px;
  text-align: center;
}

.brand-logo {
  max-width: 260px;
  height: auto;
  display: block;
  margin: 0 auto 24px auto;
}

.legal-badge {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--primary-focus);
  color: var(--primary-accent);
  border-radius: 50px;
  font-family: var(--font-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

h1 {
  font-family: var(--font-secondary);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary), hsl(var(--hue), 25%, 35%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (prefers-color-scheme: dark) {
  h1 {
    background: linear-gradient(135deg, var(--text-primary), hsl(var(--hue), 20%, 80%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Sections */
h2 {
  font-family: var(--font-secondary);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Inputs & Labels */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.required {
  color: var(--error-color);
  margin-left: 2px;
}

.optional {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.75rem;
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 480px) {
  .input-grid {
    grid-template-columns: 1fr;
  }
}

.input-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
}

input[type="text"],
input[type="email"],
input[type="date"],
textarea {
  font-family: var(--font-primary);
  font-size: 0.95rem;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 4px var(--primary-focus);
}

/* Error States */
.input-wrapper.has-error input,
.input-wrapper.has-error textarea {
  border-color: var(--error-color);
}

.input-wrapper.has-error input:focus,
.input-wrapper.has-error textarea:focus {
  box-shadow: 0 0 0 4px hsla(354, 70%, 54%, 0.15);
}

.error-msg {
  color: var(--error-color);
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 500;
  display: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.2s;
}

.input-wrapper.has-error .error-msg {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Buttons */
.btn {
  font-family: var(--font-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
  position: relative;
}

.btn-primary {
  background-color: var(--primary-accent);
  color: #ffffff;
  box-shadow: 0 4px 12px hsla(222, 89%, 60%, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px hsla(222, 89%, 60%, 0.35);
}

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

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--input-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--primary-focus);
  border-color: var(--primary-accent);
  color: var(--primary-accent);
}

/* Spinner Loader */
.loader {
  width: 18px;
  height: 18px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn.loading .btn-text {
  visibility: hidden;
}

.btn.loading .loader {
  display: block;
  position: absolute;
}

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

/* Form Footer */
.form-footer {
  margin-top: 32px;
  border-top: 1px solid var(--card-border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.legal-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Success State Styles */
.success-state {
  text-align: center;
  animation: fadeIn 0.4s ease forwards;
}

.success-icon-wrapper {
  margin-bottom: 24px;
}

/* Checkmark Animation */
.checkmark {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: block;
  stroke-width: 2;
  stroke: #ffffff;
  stroke-miterlimit: 10;
  margin: 10% auto;
  box-shadow: inset 0px 0px 0px var(--success-color);
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;
}

.checkmark__circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: var(--success-color);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark__check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% { stroke-dashoffset: 0; }
}
@keyframes scale {
  0%, 100% { transform: none; }
  50% { transform: scale3d(1.1, 1.1, 1); }
}
@keyframes fill {
  100% { box-shadow: inset 0px 0px 0px 36px var(--success-color); }
}

/* Details Box */
.details-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 24px 0;
  text-align: left;
}

.details-box h3 {
  font-family: var(--font-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 8px;
}

.details-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.details-row span {
  color: var(--text-secondary);
}

.details-row strong {
  color: var(--text-primary);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  background-color: var(--input-border);
}

.badge.success {
  background-color: var(--success-bg);
  color: var(--success-color);
}

.badge.warning {
  background-color: var(--error-bg);
  color: var(--error-color);
}

.success-notif {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-focus);
  border-left: 3px solid var(--primary-accent);
}

/* Utilities */
.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Iframe Embedded Mode Adjustments */
.is-embedded body {
  min-height: auto !important;
  display: block !important;
  padding: 10px 0 !important;
  background-image: none !important;
  background-color: transparent !important;
}

.is-embedded .app-container {
  margin: 0 auto !important;
  max-width: 100% !important;
}

.is-embedded .card {
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
  background-color: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.is-embedded .card:hover {
  transform: none !important;
  box-shadow: none !important;
}

.is-embedded .card-header {
  margin-bottom: 16px !important;
}

.is-embedded .brand-logo {
  max-width: 200px !important;
  margin-bottom: 12px !important;
}

.is-embedded h1 {
  font-size: 1.6rem !important;
  margin-bottom: 8px !important;
}

.is-embedded h2 {
  font-size: 1.05rem !important;
  margin-bottom: 12px !important;
}

.is-embedded .form-section {
  gap: 12px !important;
}

.is-embedded .input-group {
  gap: 4px !important;
}

.is-embedded .form-footer {
  margin-top: 16px !important;
  padding-top: 16px !important;
}