:root {
  --color-bg: #f7f5ff;
  --color-bg-card: #fff;
  --color-bg-form: #fafaff;
  --color-primary: #4fc3a1;
  --color-primary-dark: #3ba88a;
  --color-primary-light: #6ec6f1;
  --color-success: #f9b14f;
  --color-success-alt: #f97b7b;
  --color-accent: #6ec6f1;
  --color-accent-dark: #2d3a4f;
  --color-border: #e0e7ff;
  --color-border-light: #f3f0ff;
  --color-text: #23272f;
  --color-heading: #2d3a4f;
  --color-alert-success-bg: #e6ffed;
  --color-alert-success-text: #1a7f37;
  --color-alert-error-bg: #ffeaea;
  --color-alert-error-text: #a94442;
}

/* --- StickerVibez Modern, Fun, Minimalistic Theme --- */
body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  background: var(--color-bg);
  margin: 0;
  min-height: 100vh;
  color: var(--color-text);
}
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5em 1.5em 2em 1.5em;
  background: var(--color-bg-card);
  border-radius: 22px;
  box-shadow: 0 6px 32px rgba(80, 80, 180, 0.08);
  margin-top: 2.5em;
}
h1 {
  font-size: 2.5em;
  margin-bottom: 0.5em;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--color-heading);
  text-shadow: 0 2px 12px var(--color-border);
}

/* Logo and Title */
.logo-link {
  text-decoration: none;
  display: block;
  text-align: center;
}
.main-title {
  font-size: 2.7em;
  font-weight: 900;
  color: var(--color-heading);
  margin-bottom: 0.2em;
  letter-spacing: -1px;
  text-align: center;
}

/* Alerts & Feedback */
.alert {
  padding: 1em 1.5em;
  border-radius: 10px;
  margin-bottom: 1.2em;
  font-size: 1.1em;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(108,71,255,0.04);
}
.alert-success {
  background: var(--color-alert-success-bg);
  color: var(--color-alert-success-text);
  border: none;
}
.alert-danger, .alert-error {
  background: var(--color-alert-error-bg);
  color: var(--color-alert-error-text);
  border: none;
}

/* Buttons */
.btn,
button,
input[type="submit"],
input[type="button"] {
  display: inline-block;
  padding: 0.7em 2em;
  font-size: 1.1em;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(108,71,255,0.08);
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}
.btn-primary,
button.btn-primary,
input[type="submit"].btn-primary,
input[type="button"].btn-primary {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-light) 100%);
}
.btn-success,
button.btn-success,
input[type="submit"].btn-success,
input[type="button"].btn-success {
  background: linear-gradient(90deg, var(--color-success) 60%, var(--color-success-alt) 100%);
}
.btn:hover, .btn:focus,
button:hover, button:focus,
input[type="submit"]:hover, input[type="submit"]:focus,
input[type="button"]:hover, input[type="button"]:focus {
  box-shadow: 0 4px 16px rgba(108,71,255,0.13);
  transform: translateY(-2px) scale(1.03);
  background: linear-gradient(90deg, var(--color-primary-light) 60%, var(--color-primary) 100%);
}
.btn[disabled],
button[disabled],
input[type="submit"][disabled],
input[type="button"][disabled] {
  background: #ccc !important;
  color: #888 !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
  pointer-events: none;
  border: none !important;
  transition: none !important;
}
.btn[disabled]:hover,
button[disabled]:hover,
input[type="submit"][disabled]:hover,
input[type="button"][disabled]:hover {
  background: #ccc !important;
  color: #888 !important;
  transform: none !important;
  box-shadow: none !important;
}

#done {
  text-align: left;
  margin: 2em 0 0 0;
}

/* Results Layout */
.results-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5em;
  margin-top: 2.5em;
}
@media (max-width: 800px) {
  .results-flex {
    flex-direction: column;
    gap: 1.5em;
  }
  .results-image,
  .results-form {
    max-width: 100%;
    min-width: 0;
    flex-basis: auto;
    width: 100%;
  }
}
.results-image {
  flex: 1 1 320px;
  min-width: 260px;
  max-width: 420px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.results-image img {
  width: 100%;
  max-width: 380px;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(108,71,255,0.10);
  background: transparent !important;
  border: 2.5px solid var(--color-border);
}
.results-form {
  flex: 1 1 320px;
  min-width: 260px;
  max-width: 420px;
  background: var(--color-bg-form);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(108,71,255,0.04);
  padding: 2em 1.5em 1.5em 1.5em;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.results-form h2 {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.1em; /* Match spacing to selector group */
}

/* Size Button Group */
#size-btn-group {
  display: flex;
  gap: 1em;
  margin-bottom: 1.1em; /* Match the spacing below 'Order Your Sticker' heading */
  justify-content: flex-start;
}
.size-btn {
  display: inline-block;
  padding: 1.5em 1.5em;
  border-radius: 8px;
  background: var(--color-border-light);
  color: var(--color-primary);
  border: 2.5px solid var(--color-border);
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 900 !important;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  letter-spacing: 0.01em;
  transition: background 0.2s, border 0.2s, color 0.2s;
  margin-right: 0;
  box-shadow: 0 1px 4px rgba(108,71,255,0.04);
  flex: 1 1 0;
  min-width: 0;
  max-width: 140px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.1em 0.5em;
  box-sizing: border-box;
}
.size-btn.selected {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  border-color: var(--color-primary);
}

/* Add vertical centering for the size button group on results page */
.results-form #size-btn-group {
  margin-bottom: 0 !important;
}
.results-form #size-btn-group {
  flex: none;
}
.results-form .size-btn {
  margin-bottom: 0;
}
/* Ensure the wrapper provides equal space above and below */
.results-form .size-btn-group-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 120px;
  margin-bottom: 0.5em;
}

/* Upgrade options */
.results-form label {
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin-top: 0.2em; /* Reduce top margin for tight grouping with selector */
  margin-bottom: 1.1em; /* Add bottom margin for consistent spacing before checkout button */
  font-size: 1.08em;
  font-weight: 500;
  color: var(--color-text);
}
.results-form input[type="radio"] {
  accent-color: var(--color-primary);
  width: 1.1em;
  height: 1.1em;
}

/* Shipping form */
#shipping-form {
  margin-top: 0em; /* Further decreased from 1em to 0.2em for less space above Shipping & Payment */
}
#shipping-form input,
#shipping-form select {
  padding: 0.7em;
  font-size: 1.08em;
  border-radius: 8px;
  border: 1.5px solid var(--color-border);
  margin-bottom: 0.7em;
  background: #f8f8ff;
  color: var(--color-text);
  font-weight: 500;
}
#shipping-form input[type="text"],
#shipping-form input[type="email"],
#shipping-form select {
  width: 100%;
  box-sizing: border-box;
}
#shipping-form button,
#shipping-form #pay-btn {
  width: 100%;
  box-sizing: border-box;
}
#shipping-form button {
  padding: 0.9em 2.2em;
  font-size: 1.13em;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  margin-top: 1.2em;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(108,71,255,0.08);
}
#shipping-form button.btn-primary:hover {
  background: linear-gradient(90deg, var(--color-primary-light) 60%, var(--color-primary) 100%);
}

/* Upload Page Styles */
.upload-container {
  text-align: center;
  padding-top: 3em;
  padding-bottom: 3em;
}
.upload-logo {
  width: 110px;
  margin-bottom: 1.5em;
}
.upload-subtitle {
  font-size: 1.25em;
  color: var(--color-primary);
  margin-bottom: 2.2em;
  font-weight: 500;
}
.upload-form {
  max-width: 420px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 16px rgba(108,71,255,0.07);
  padding: 2.2em 2em 2em 2em;
  display: flex;
  flex-direction: column;
  gap: 1.1em;
}
.upload-label {
  font-size: 1.1em;
  color: var(--color-primary);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.3em;
}
.style-btn-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 1.2em;
  justify-content: center;
  justify-items: center;
  margin-bottom: 1.5em;
}
@media (max-width: 600px) {
  .style-btn-group {
    grid-template-columns: repeat(3, 1fr);
    justify-content: center;
    justify-items: center;
  }
}
.style-btn {
  width: 90px;
  height: 90px;
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(108,71,255,0.08);
  cursor: pointer;
  border: 3px solid var(--color-border);
  position: relative;
  transition: border 0.2s;
}
.style-btn-text {
  background: rgba(255,255,255,0.85);
  border-radius: 0 0 12px 12px;
  width: 100%;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1em;
  padding: 0.3em 0;
  text-align: center;
}
.style-radio:checked + .style-btn {
  border: 3px solid var(--color-primary);
}
.upload-btn {
  width: 100%;
  font-size: 1.18em;
}
.upload-note {
  margin-top: 2.5em;
  font-size: 1em;
}

/* Misc */
label { color: var(--color-text); font-weight: 500; }
input[type="file"], select { padding: 0.5em; border-radius: 6px; border: 1.5px solid var(--color-border); }
form { display: flex; flex-direction: column; gap: 1em; }

/* Fun accent for minimal look */
::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-primary-light) 100%);
  border-radius: 8px;
}
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-border-light);
}

input.style-radio {
  display: none !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
}