/* The Digital Atrium - Design System for Partner Registration */

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

:root {
  /* Colors - Using same as main style.css */
  --primary-blue: #1e2f58;
  --dark-blue: #152242;
  --accent-gold: #dcb36b;
  --accent-gold-hover: #c49d56;
  --text-white: #ffffff;
  --text-dark: #333333;
  --bg-light: #f8f9fc;
  --gray-line: #e0e0e0;
  --font-main: 'Roboto', sans-serif;

  /* Semantic Colors */
  --bg-surface: #ffffff;
  --heading-color: var(--primary-blue);
  --border-color: #eee;
  --shadow-color: rgba(0, 0, 0, 0.05);

  /* Additional for register */
  --primary: var(--primary-blue);
  --primary-container: var(--dark-blue);
  --surface: var(--bg-light);
  --surface-container-lowest: #ffffff;
  --surface-container-low: var(--bg-light);
  --surface-container-high: #f2f4f3;
  --on-surface: var(--text-dark);
  --on-surface-variant: #3f4948;
  --on-primary: #ffffff;
  --outline: #6f7979;
  --outline-variant: #bec8c8;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --surface-tint: var(--primary-blue);

  /* Accent color from design */
  --accent-gold-light: rgba(220, 179, 107, 0.4);

  /* Typography Scales */
  --font-display: 'Roboto', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  
  /* Radii */
  --radius-md: 0.375rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Elevation */
  --shadow-ambient: 0 20px 40px rgba(27, 104, 105, 0.06);
}

body.dark-theme {
    --bg-light: #111f36;
    --bg-surface: #192b44;
    --text-dark: #f8fafc;
    --heading-color: #c3d4ff;
    --border-color: #3d5470;
    --shadow-color: rgba(0, 0, 0, 0.35);
    --gray-line: #3d5470;

    /* Update register variables for dark mode */
    --surface: var(--bg-light);
    --surface-container-lowest: #1c3350;
    --surface-container-low: #243e5f;
    --surface-container-high: #2e4f7a;
    --on-surface: #f8fafc;
    --on-surface-variant: #d8e4ff;
    --outline: #a8c3e4;
    --outline-variant: #8aa4c0;
    --accent-gold: #f5d27b;
    --accent-gold-light: rgba(245, 210, 123, 0.35);
}

body.dark-theme .title-lg {
    color: var(--on-surface);
}

body.dark-theme .input-label,
body.dark-theme .page-header p,
body.dark-theme .file-upload-text,
body.dark-theme .file-upload-hint {
    color: var(--on-surface-variant);
}

body.dark-theme .page-header {
    border-left-color: var(--accent-gold);
}

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

body {
  background-color: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography Editorial Authority */
h1, h2, h3, h4, .display-font {
  font-family: var(--font-display);
  color: var(--primary);
  letter-spacing: -0.02em;
}

.display-lg {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
}

.headline-md {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
}

.title-lg {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.body-lg {
  font-size: 1rem;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.body-md {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

.label-md {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
}

/* Layout */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-8) var(--spacing-4);
  width: 100%;
}

/* Header Navbar */
.registration-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4) var(--spacing-10);
  background-color: var(--surface-container-lowest);
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.nav-links {
  display: flex;
  gap: var(--spacing-8);
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  font-family: var(--font-display);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary-container);
}

.nav-links .btn-sign-in {
  background-color: var(--primary);
  color: var(--on-primary);
  padding: var(--spacing-2) var(--spacing-6);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.nav-links .btn-sign-in:hover {
  background-color: var(--primary-container);
  color: var(--on-primary);
}

/* Page Header Area */
.page-header {
  margin-bottom: var(--spacing-10);
  border-left: 4px solid var(--accent-gold);
  padding-left: var(--spacing-6);
  margin-top: var(--spacing-8);
}

.page-header p {
  margin-top: var(--spacing-4);
  max-width: 600px;
  font-size: 1.1rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Cards & Components */
.form-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.form-card {
  background-color: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--spacing-10);
  box-shadow: var(--shadow-ambient);
}

/* Forbid 1px dividers, use margin instead */
.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1.25rem;
}

/* Input Fields - The Core */
.input-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-6);
  flex: 1;
}

.input-label {
  font-family: var(--font-body);
  font-size: 1rem; /* body-lg */
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.input-field {
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: var(--surface-container-high);
  border: none; /* No border initially */
  border-radius: var(--radius-md);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

.input-field::placeholder {
  color: var(--outline);
  opacity: 0.7;
}

/* Focus State Ghost Border */
.input-field:focus {
  background-color: var(--surface-container-lowest);
  box-shadow: inset 0 0 0 2px rgba(0, 66, 66, 0.4);
}

select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%233f4948'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25em 1.25em;
  padding-right: 3rem;
  cursor: pointer;
}

/* Form Grids */
.form-row {
  display: flex;
  gap: var(--spacing-6);
  flex-wrap: wrap;
}

.form-row-2 > * {
  flex: 1 1 calc(50% - var(--spacing-6));
  min-width: 250px;
}

.form-row-4 > * {
  flex: 1 1 calc(25% - var(--spacing-6));
  min-width: 180px;
}

/* File Upload Dropzone */
.file-upload-zone {
  background-color: var(--surface-container-lowest);
  border: 2px dashed var(--accent-gold-light); /* Exception for dropzone to signify emptiness */
  border-radius: var(--radius-xl);
  padding: var(--spacing-10);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.file-upload-zone:hover {
  background-color: var(--surface-container-low);
  border-color: var(--accent-gold);
}

.file-upload-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: var(--spacing-4);
}

.file-upload-text {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-2);
}

.file-upload-hint {
  color: var(--outline);
  font-size: 0.85rem;
}

/* Tonal shift alert box */
.archived-alert {
  background-color: var(--surface-container-low); /* Carved boundary feeling */
  border-radius: var(--radius-xl); /* using xl rounding per rhythm constraint */
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.archived-alert i {
  color: var(--primary);
  font-size: 1.2rem;
}

.archived-alert p {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Form Footer & Submit */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-10);
  padding-bottom: var(--spacing-12);
  flex-wrap: wrap;
  gap: var(--spacing-6);
}

.terms-notice {
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-start;
  max-width: 500px;
}

.terms-notice i {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin-top: 2px;
}

.terms-notice p {
  color: var(--on-surface-variant);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Primary Pill Button */
.btn-primary-pill {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  padding: 1rem 3rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0, 66, 66, 0.15);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.btn-primary-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0, 66, 66, 0.25);
  background: linear-gradient(135deg, var(--primary-container) 0%, var(--primary) 100%);
}

.btn-primary-pill:active {
  transform: translateY(0);
  box-shadow: 0 5px 10px rgba(0, 66, 66, 0.15);
}

/* Footer Section from image */
.footer-dark {
  background-color: var(--primary); /* Actually looks like #1a2a3e in image, modifying slightly */
  background-color: #27374D; 
  color: var(--on-primary);
  padding: var(--spacing-8) var(--spacing-10);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.footer-dark h3 {
  color: var(--accent-gold);
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-2);
}

.footer-dark p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: var(--spacing-6);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

/* Type Selector Segmented Control */
.account-type-selector {
  display: inline-flex;
  background-color: var(--surface-container-high);
  border-radius: var(--radius-full);
  padding: 0.25rem;
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-4);
  align-items: center;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.segment-btn {
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  background: transparent;
}

.segment-btn:hover:not(.active) {
  color: var(--primary);
  background-color: rgba(255,255,255,0.4);
}

.segment-btn.active {
  background-color: var(--surface-container-lowest);
  color: var(--primary);
  box-shadow: 0 4px 8px rgba(27, 104, 105, 0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .form-row-2 > *, .form-row-4 > * {
    flex: 1 1 100%;
  }
  
  .form-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .btn-primary-pill {
    width: 100%;
    text-align: center;
  }
  
  .nav-links {
    display: none; /* simple mobile nav hide for now */
  }
  
  .footer-dark {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-6);
  }
}