/* ============================================================
   InstantITP — Global Stylesheet
   ============================================================ */

/* --- Google Fonts loaded via HTML <link> --- */

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --primary:       #1B3A5C;
  --secondary:     #2E75B6;
  --accent:        #E67E22;
  --accent-hover:  #CF6D17;
  --light-bg:      #F8FAFC;
  --card-bg:       #FFFFFF;
  --text-dark:     #1E293B;
  --text-mid:      #64748B;
  --text-light:    #94A3B8;
  --border:        #E2E8F0;
  --border-focus:  #2E75B6;
  --success:       #22C55E;
  --hold-color:    #EF4444;
  --witness-color: #F59E0B;
  --review-color:  #22C55E;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.14);
  --transition:    150ms ease;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--secondary); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--primary);
}

/* ============================================================
   Utility Classes
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.mt-4  { margin-top: 1rem; }
.mt-8  { margin-top: 2rem; }
.mb-4  { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.navbar-brand img,
.navbar-brand-logo {
  height: 34px;
  width: auto;
}

.navbar-brand-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.3px;
}

.navbar-brand-text span {
  color: var(--accent);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.navbar-links a {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.navbar-links a:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
}

.navbar-links .btn-login {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: 20px;
  padding: 7px 18px;
}

.navbar-links .btn-login:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #1d4e7a 60%, #2E75B6 100%);
  color: #fff;
  padding: 72px 24px 64px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .5px;
  color: rgba(255,255,255,.9);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  max-width: 760px;
  margin: 0 auto 18px;
  letter-spacing: -0.5px;
}

.hero h1 span { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-pill {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  padding: 8px 20px;
  font-weight: 600;
  font-size: .9rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-pill .pill-icon { font-size: 1rem; }

/* ============================================================
   Section Headings
   ============================================================ */
.section-heading {
  text-align: center;
  margin-bottom: 40px;
}

.section-heading h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-heading p {
  color: var(--text-mid);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   Generator Section
   ============================================================ */
#generator {
  padding: 60px 24px;
  background: var(--light-bg);
}

.generator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto auto auto;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mid);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.card-title .card-icon {
  font-size: 1rem;
}

/* ============================================================
   Upload Boxes
   ============================================================ */
.card-drawings {
  grid-row: span 2;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: var(--light-bg);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--secondary);
  background: #EBF2FA;
}

.upload-zone.drag-over {
  border-style: solid;
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  opacity: 0.7;
}

.upload-zone p {
  font-size: .88rem;
  color: var(--text-mid);
  margin-bottom: 4px;
}

.upload-zone .upload-hint {
  font-size: .78rem;
  color: var(--text-light);
}

.upload-tip {
  margin-top: 10px;
  padding: 8px 12px;
  background: #fffbe6;
  border-left: 3px solid #f0a500;
  border-radius: 4px;
  font-size: .80rem;
  color: #6b5a00;
  line-height: 1.5;
}

.upload-error {
  margin-top: 8px;
  padding: 7px 12px;
  background: #fff1f1;
  border-left: 3px solid #ef4444;
  border-radius: 4px;
  font-size: .80rem;
  color: #b91c1c;
  line-height: 1.5;
}

.upload-zone .upload-cta {
  display: inline-block;
  margin-top: 10px;
  color: var(--secondary);
  font-weight: 600;
  font-size: .85rem;
}

/* File list */
.file-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  font-size: .83rem;
  gap: 8px;
}

.file-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-dark);
  font-weight: 500;
}

.file-item-size {
  color: var(--text-light);
  font-size: .75rem;
  white-space: nowrap;
}

.file-remove {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 2px;
  line-height: 1;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}

.file-remove:hover {
  color: var(--hold-color);
  background: #FEE2E2;
}

.file-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--secondary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-left: 6px;
}

/* Logo box */
.logo-preview-wrap {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-preview {
  width: 80px;
  height: 50px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--light-bg);
  padding: 4px;
}

.btn-use-default {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: .8rem;
  cursor: pointer;
  color: var(--text-mid);
  transition: border-color var(--transition), color var(--transition);
  font-family: inherit;
}

.btn-use-default:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}

/* ============================================================
   Project Details Form
   ============================================================ */
.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.form-group .required-star {
  color: var(--hold-color);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-family: inherit;
  color: var(--text-dark);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(46,117,182,.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

/* Extra Instructions */
.card-instructions textarea {
  resize: vertical;
  min-height: 100px;
  max-height: 240px;
}

/* ============================================================
   Color Theme Selector
   ============================================================ */
.theme-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 2px solid var(--border);
  border-radius: 22px;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-mid);
  background: #fff;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  user-select: none;
}

.theme-option:hover {
  border-color: var(--secondary);
  color: var(--primary);
}

.theme-option.active {
  border-color: var(--secondary);
  background: var(--secondary);
  color: #fff;
}

.theme-swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.15);
  flex-shrink: 0;
}

.theme-option.auto-theme { display: none; }
.theme-option.auto-theme.visible { display: flex; }

/* ============================================================
   Example Preview
   ============================================================ */
.card-preview {
  grid-column: span 2;
}

.itp-preview-wrap {
  overflow-x: auto;
}

.itp-preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .72rem;
  font-family: 'Inter', system-ui, sans-serif;
  margin-top: 6px;
}

.itp-preview-table th {
  background: var(--primary);
  color: #fff;
  padding: 6px 8px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  border: none;
}

.itp-preview-table th:nth-child(2),
.itp-preview-table th:nth-child(3) {
  text-align: left;
}

.itp-preview-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-dark);
}

.itp-preview-table tr:nth-child(even) td {
  background: #EBF2FA;
}

.itp-preview-table tr:nth-child(odd) td {
  background: #fff;
}

.itp-preview-table .row-section td {
  background: var(--secondary) !important;
  color: #fff !important;
  font-weight: 700 !important;
  text-align: center;
  letter-spacing: .3px;
  padding: 6px 8px;
}

.itp-preview-table td:first-child {
  text-align: center;
  font-weight: 600;
  color: var(--text-mid);
  white-space: nowrap;
}

.itp-preview-table .td-type {
  text-align: center;
}

.preview-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  font-weight: 700;
  font-size: .68rem;
  line-height: 1;
}

.badge-h { background: var(--hold-color);    color: #fff; }
.badge-w { background: var(--witness-color); color: #1E293B; }
.badge-s { background: #4CAF50;              color: #fff; }

.preview-caption {
  font-size: .72rem;
  color: var(--text-light);
  text-align: center;
  margin-top: 8px;
  font-style: italic;
}

/* ============================================================
   Generate Button
   ============================================================ */
.card-generate {
  grid-column: span 2;
}

.btn-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing: .2px;
  box-shadow: 0 4px 14px rgba(230,126,34,.4);
}

.btn-generate:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(230,126,34,.5);
}

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

.btn-generate:disabled {
  background: var(--secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  opacity: 0.8;
}

/* Inline spinner for button processing state */
.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

.generate-notes {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}

.multi-note {
  font-size: .83rem;
  color: var(--text-mid);
  background: #EBF2FA;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  border-left: 3px solid var(--secondary);
}

.pricing-note {
  font-size: .8rem;
  color: var(--text-light);
}

.pricing-note a {
  color: var(--secondary);
}

/* ============================================================
   Loading Overlay
   ============================================================ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .8);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.loading-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.spinner {
  width: 52px;
  height: 52px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 20px;
}

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

.loading-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.loading-steps {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.loading-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--text-light);
  transition: color var(--transition);
}

.loading-step.active {
  color: var(--text-dark);
  font-weight: 600;
}

.loading-step.done {
  color: var(--success);
}

.step-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  transition: background var(--transition), border-color var(--transition);
}

.loading-step.active .step-dot {
  background: var(--accent);
  border-color: var(--accent);
}

.loading-step.done .step-dot {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

/* ============================================================
   Error Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1E293B;
  color: #fff;
  padding: 14px 22px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
  max-width: 460px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: transform 300ms ease, opacity 300ms ease;
  opacity: 0;
}

.toast.error { border-left: 4px solid var(--hold-color); }
.toast.success { border-left: 4px solid var(--success); }

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================================
   How It Works Section
   ============================================================ */
#how-it-works {
  padding: 64px 24px;
  background: #fff;
}

.steps-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.step-item {
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.step-item:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -6px;
  top: 24px;
  font-size: 1.4rem;
  color: var(--border);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.step-icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.step-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.step-desc {
  font-size: .82rem;
  color: var(--text-mid);
  line-height: 1.5;
}

/* ============================================================
   Pricing Strip
   ============================================================ */
.pricing-strip {
  background: var(--primary);
  color: #fff;
  padding: 28px 24px;
  text-align: center;
}

.pricing-strip p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.9);
}

.pricing-strip strong {
  color: var(--accent);
  font-size: 1.15rem;
}

.pricing-strip .strip-cta {
  display: inline-block;
  margin-top: 14px;
  background: var(--accent);
  color: #fff;
  padding: 10px 28px;
  border-radius: 22px;
  font-weight: 700;
  font-size: .95rem;
  transition: background var(--transition);
}

.pricing-strip .strip-cta:hover { background: var(--accent-hover); color: #fff; }

/* ============================================================
   AI Chat Widget
   ============================================================ */
.chat-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
}

.chat-toggle-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.5rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(27,58,92,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
  position: relative;
}

.chat-toggle-btn:hover {
  background: var(--secondary);
  transform: scale(1.07);
}

.chat-toggle-btn .chat-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--accent);
  color: #fff;
  font-size: .6rem;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 10px;
  line-height: 1.2;
  white-space: nowrap;
}

.chat-panel {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 340px;
  max-height: 480px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0.85) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 200ms ease, opacity 200ms ease;
}

.chat-panel.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}

.chat-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.chat-header-title {
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 7px;
}

.chat-close-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.7);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color var(--transition);
}

.chat-close-btn:hover { color: #fff; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.chat-message {
  max-width: 85%;
  padding: 9px 13px;
  border-radius: 10px;
  font-size: .84rem;
  line-height: 1.5;
}

.chat-message.user {
  background: var(--secondary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

.chat-message.assistant {
  background: var(--light-bg);
  color: var(--text-dark);
  align-self: flex-start;
  border: 1px solid var(--border);
  border-bottom-left-radius: 3px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 9px 13px;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-bottom-left-radius: 3px;
  align-self: flex-start;
  max-width: 60px;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-light);
  animation: typingBounce 1.2s infinite ease-in-out;
}

.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-5px); }
}

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .85rem;
  font-family: inherit;
  outline: none;
  resize: none;
  max-height: 80px;
  transition: border-color var(--transition);
}

.chat-input:focus { border-color: var(--border-focus); }

.chat-send-btn {
  background: var(--secondary);
  color: #fff;
  border: none;
  border-radius: 8px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}

.chat-send-btn:hover { background: var(--primary); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,.7);
  padding: 40px 24px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 32px;
}

.footer-brand-col .footer-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.footer-brand-col .footer-logo span { color: var(--accent); }

.footer-brand-col p {
  font-size: .83rem;
  line-height: 1.6;
  max-width: 220px;
  color: rgba(255,255,255,.6);
}

.footer-col h4 {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.5);
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.footer-col ul a {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: #fff; }

.footer-bottom {
  max-width: 1100px;
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}

.footer-maker {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: .65;
  transition: opacity .2s;
}
.footer-maker:hover { opacity: 1; }
.footer-maker img {
  height: 22px;
  width: auto;
  border-radius: 3px;
}
.footer-maker span {
  font-size: .74rem;
  color: rgba(255,255,255,.55);
  white-space: nowrap;
}

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--light-bg);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--border);
}

.login-logo {
  text-align: center;
  margin-bottom: 24px;
}

.login-logo .brand {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
}

.login-logo .brand span { color: var(--accent); }

.login-logo p {
  color: var(--text-mid);
  font-size: .88rem;
  margin-top: 4px;
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  color: var(--text-mid);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}

.auth-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

.social-login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 11px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--text-dark);
  transition: border-color var(--transition), background var(--transition);
  font-family: inherit;
  margin-bottom: 18px;
}

.social-login-btn:hover {
  border-color: var(--secondary);
  background: var(--light-bg);
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--text-light);
  font-size: .8rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-form { display: flex; flex-direction: column; gap: 14px; }

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--transition);
}

.btn-primary:hover { background: #163151; }

.auth-footer-note {
  text-align: center;
  margin-top: 20px;
  padding: 14px;
  background: #EBF2FA;
  border-radius: var(--radius-sm);
  font-size: .83rem;
  color: var(--text-mid);
  border-left: 3px solid var(--secondary);
}

.forgot-link {
  font-size: .8rem;
  color: var(--secondary);
  text-align: right;
  display: block;
  margin-top: -6px;
}

/* ============================================================
   Pricing Page
   ============================================================ */
.pricing-page-hero {
  background: var(--primary);
  color: #fff;
  padding: 52px 24px 48px;
  text-align: center;
}

.pricing-page-hero h1 { color: #fff; font-size: 2rem; margin-bottom: 8px; }
.pricing-page-hero p { color: rgba(255,255,255,.75); font-size: 1rem; }

.pricing-section {
  padding: 60px 24px;
  background: var(--light-bg);
}

.pricing-multi-note {
  max-width: 780px;
  margin: 0 auto 40px;
  background: #EBF2FA;
  border: 1px solid #BFD4EE;
  border-left: 4px solid var(--secondary);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: .92rem;
  color: var(--primary);
  text-align: center;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pricing-card.highlighted {
  border-color: var(--secondary);
  box-shadow: 0 0 0 2px rgba(46,117,182,.15), var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--secondary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  white-space: nowrap;
}

.pricing-tier {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mid);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.price-currency {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-mid);
  margin-right: 2px;
}

.price-period {
  font-size: .85rem;
  color: var(--text-light);
}

.pricing-tagline {
  font-size: .88rem;
  color: var(--text-mid);
  margin-top: -8px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .87rem;
  color: var(--text-dark);
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-pricing {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .95rem;
  transition: background var(--transition), color var(--transition);
  margin-top: auto;
}

.btn-pricing-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-pricing-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-pricing-filled {
  background: var(--secondary);
  color: #fff;
  border: 2px solid var(--secondary);
}

.btn-pricing-filled:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ============================================================
   Free Generation Badge + Promo Panel
   ============================================================ */
.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #22C55E;
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: .2px;
  white-space: nowrap;
  vertical-align: middle;
}

.free-promo-panel {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateX(calc(100% + 4px)) translateY(-50%);
  width: 234px;
  background: #fff;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  box-shadow: -4px 6px 28px rgba(0,0,0,.13);
  padding: 20px 18px 18px;
  z-index: 800;
  transition: transform .45s cubic-bezier(.34,1.3,.64,1);
}

.free-promo-panel.visible {
  transform: translateX(0) translateY(-50%);
}

.free-promo-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1;
  padding: 2px 5px;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}
.free-promo-close:hover { background: var(--light-bg); color: var(--text-dark); }

.free-promo-icon  { font-size: 2rem; display: block; margin-bottom: 8px; }

.free-promo-label {
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #22C55E;
  margin-bottom: 4px;
}

.free-promo-title {
  font-size: .95rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 8px;
}

.free-promo-desc {
  font-size: .78rem;
  color: var(--text-mid);
  line-height: 1.5;
  margin-bottom: 14px;
}

.free-promo-cta {
  display: block;
  text-align: center;
  background: #22C55E;
  color: #fff !important;
  font-weight: 700;
  font-size: .82rem;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.free-promo-cta:hover { background: #16a34a; transform: translateY(-1px); }

.free-promo-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.free-promo-small {
  font-size: .7rem;
  color: var(--text-light);
  text-align: center;
}

/* ============================================================
   Responsive — Tablet (≤ 900px)
   ============================================================ */
@media (max-width: 900px) {
  .generator-grid {
    grid-template-columns: 1fr;
  }

  .card-drawings { grid-row: span 1; }

  .card-preview { grid-column: span 1; }

  .card-generate { grid-column: span 1; }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

  .steps-row {
    gap: 24px;
    flex-direction: column;
    align-items: center;
  }

  .step-item:not(:last-child)::after {
    display: none;
  }
}

/* ============================================================
   Responsive — Mobile (≤ 600px)
   ============================================================ */
@media (max-width: 600px) {
  .free-promo-panel { display: none !important; }

  .navbar-links .nav-hide-mobile { display: none; }

  .hero { padding: 48px 16px 40px; }

  .hero h1 { font-size: 1.6rem; }

  .hero-stats { flex-direction: column; align-items: center; }

  #generator { padding: 40px 16px; }

  .details-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 24px; }

  .chat-panel { width: 300px; }

  .login-card { padding: 28px 20px; }

  .footer-bottom { flex-direction: column; text-align: center; }
}