/* =========================================================
   MUSIM BEKU INDONESIA
   Customer Satisfaction Survey
   File: assets/css/survey.css
   ========================================================= */

/* =========================================================
   1. Design Tokens
   ========================================================= */

:root {
  --font-primary:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  --color-primary: #18a8df;
  --color-primary-hover: #078fc8;
  --color-primary-dark: #066b9b;
  --color-primary-soft: #eaf8fe;
  --color-primary-soft-2: #f3fbff;

  --color-heading: #082e57;
  --color-text: #334155;
  --color-muted: #64748b;
  --color-placeholder: #94a3b8;

  --color-background: #f7fbfe;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fbfd;

  --color-border: #dce8ef;
  --color-border-active: #7dd3fc;

  --color-success: #16a34a;
  --color-success-soft: #ecfdf3;

  --color-danger: #dc2626;
  --color-danger-soft: #fef2f2;

  --color-warning: #f59e0b;
  --color-star: #159fe0;

  --shadow-xs: 0 1px 2px rgba(8, 46, 87, 0.04);
  --shadow-sm: 0 6px 18px rgba(8, 46, 87, 0.06);
  --shadow-md: 0 12px 32px rgba(8, 46, 87, 0.08);
  --shadow-primary: 0 12px 28px rgba(24, 168, 223, 0.28);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --container-width: 760px;

  --transition-fast: 160ms ease;
  --transition-normal: 240ms ease;
}

/* =========================================================
   2. Reset
   ========================================================= */

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

html {
  min-height: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(
      circle at 10% 4%,
      rgba(24, 168, 223, 0.08),
      transparent 22rem
    ),
    radial-gradient(
      circle at 92% 16%,
      rgba(24, 168, 223, 0.06),
      transparent 20rem
    ),
    var(--color-background);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  margin: 0;
  color: inherit;
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

[hidden] {
  display: none !important;
}

/* =========================================================
   3. Accessibility
   ========================================================= */

:focus-visible {
  outline: 3px solid rgba(24, 168, 223, 0.22);
  outline-offset: 3px;
}

::selection {
  background: rgba(24, 168, 223, 0.18);
  color: var(--color-heading);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* =========================================================
   4. Main Page Layout
   ========================================================= */

.survey-page {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.survey-page::before,
.survey-page::after {
  position: fixed;
  z-index: -1;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(24, 168, 223, 0.05);
  content: "";
  filter: blur(4px);
  pointer-events: none;
}

.survey-page::before {
  top: -110px;
  left: -110px;
}

.survey-page::after {
  right: -120px;
  bottom: 10%;
}

.survey-container {
  width: min(100% - 32px, var(--container-width));
  margin-inline: auto;
  padding-block: 32px 56px;
}

/* =========================================================
   5. Header
   ========================================================= */

.survey-header {
  position: relative;
  padding: 14px 0 30px;
  text-align: center;
}

.survey-header__logo {
  width: clamp(112px, 28vw, 148px);
  margin-inline: auto;
  object-fit: contain;
}

.survey-header__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  margin: 18px 0 12px;
  padding: 6px 14px;
  border: 1px solid rgba(24, 168, 223, 0.12);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
}

.survey-header__title {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-heading);
  font-size: clamp(1.8rem, 7vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.survey-header__description {
  max-width: 580px;
  margin: 14px auto 0;
  color: var(--color-muted);
  font-size: clamp(0.94rem, 3.8vw, 1.05rem);
  line-height: 1.75;
}

.survey-header__meta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(24, 168, 223, 0.08);
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.survey-header__meta svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

/* Decorative snowflakes */

.survey-decoration {
  position: absolute;
  z-index: -1;
  color: rgba(24, 168, 223, 0.09);
  pointer-events: none;
  user-select: none;
}

.survey-decoration--one {
  top: 10px;
  left: 0;
  width: 68px;
  transform: rotate(-14deg);
}

.survey-decoration--two {
  top: 30px;
  right: 0;
  width: 82px;
  transform: rotate(12deg);
}

/* =========================================================
   6. Form Layout
   ========================================================= */

.survey-form {
  display: grid;
  gap: 18px;
}

.survey-section {
  position: relative;
  padding: 22px 18px;
  border: 1px solid rgba(220, 232, 239, 0.96);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.survey-section__header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.survey-section__icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.survey-section__icon svg {
  width: 21px;
  height: 21px;
}

.survey-section__content {
  min-width: 0;
}

.survey-section__title {
  margin: 0;
  color: var(--color-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.survey-section__description {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-grid--two {
  grid-template-columns: minmax(0, 1fr);
}

.form-group {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.form-label,
.form-legend {
  margin: 0;
  color: var(--color-heading);
  font-size: 0.87rem;
  font-weight: 750;
  line-height: 1.45;
}

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

.form-optional {
  color: var(--color-muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.form-hint {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* =========================================================
   7. Inputs
   ========================================================= */

.form-control,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-heading);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-control,
.form-select {
  min-height: 52px;
  padding: 12px 14px;
}

.form-textarea {
  min-height: 132px;
  padding: 14px;
  line-height: 1.65;
  resize: vertical;
}

.form-control::placeholder,
.form-textarea::placeholder {
  color: var(--color-placeholder);
  opacity: 1;
}

.form-control:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #bdd8e7;
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-border-active);
  outline: 0;
  box-shadow:
    0 0 0 4px rgba(24, 168, 223, 0.11),
    var(--shadow-xs);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
  cursor: not-allowed;
  background: #f1f5f9;
  color: var(--color-muted);
}

.form-select {
  appearance: none;
  padding-right: 44px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-muted) 50%),
    linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 15px) 50%;
  background-repeat: no-repeat;
  background-size:
    5px 5px,
    5px 5px;
}

.input-wrapper {
  position: relative;
}

.input-wrapper .form-control {
  padding-left: 46px;
}

.input-wrapper__icon {
  position: absolute;
  top: 50%;
  left: 15px;
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  pointer-events: none;
  transform: translateY(-50%);
}

.input-wrapper__icon svg {
  width: 19px;
  height: 19px;
}

.form-group.is-error .form-control,
.form-group.is-error .form-select,
.form-group.is-error .form-textarea {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.form-error {
  display: none;
  margin: 0;
  color: var(--color-danger);
  font-size: 0.76rem;
  font-weight: 600;
}

.form-group.is-error .form-error {
  display: block;
}

/* =========================================================
   8. Radio and Checkbox
   ========================================================= */

.option-list {
  display: grid;
  gap: 10px;
}

.option-list--inline {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.option-card {
  position: relative;
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.option-card:hover {
  border-color: var(--color-border-active);
  background: var(--color-primary-soft-2);
}

.option-card:active {
  transform: scale(0.99);
}

.option-card input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.option-card__control {
  position: relative;
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  border: 1.5px solid #9fb4c2;
  border-radius: 50%;
  background: #ffffff;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.option-card input:checked + .option-card__control {
  border: 5px solid var(--color-primary);
}

.option-card input:focus-visible + .option-card__control {
  box-shadow: 0 0 0 4px rgba(24, 168, 223, 0.15);
}

.option-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.option-card__label {
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
}

/* Checkbox variation */

.option-card--checkbox .option-card__control {
  border-radius: 6px;
}

.option-card--checkbox input:checked + .option-card__control {
  border: 0;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%23ffffff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' d='m5 10 3 3 7-7'/%3E%3C/svg%3E")
      center / 15px no-repeat,
    var(--color-primary);
}

/* =========================================================
   9. Rating Section
   ========================================================= */

.rating-list {
  display: grid;
  gap: 12px;
}

.rating-item {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.rating-item:hover {
  border-color: #c6ddea;
  box-shadow: 0 7px 18px rgba(8, 46, 87, 0.06);
}

.rating-item.is-error {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.rating-item__question {
  margin: 0;
  color: var(--color-heading);
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.55;
}

.rating-control {
  display: grid;
  grid-template-columns: repeat(5, minmax(42px, 1fr));
  gap: 4px;
}

.rating-option {
  position: relative;
  display: grid;
  min-width: 0;
  place-items: center;
  gap: 4px;
  padding: 4px 2px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.rating-option:hover {
  background: var(--color-primary-soft);
}

.rating-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.rating-option__number {
  color: var(--color-muted);
  font-size: 0.69rem;
  font-weight: 700;
  line-height: 1;
}

.rating-option__star {
  width: 26px;
  height: 26px;
  color: #b7c9d5;
  transition:
    color var(--transition-fast),
    fill var(--transition-fast),
    transform var(--transition-fast);
}

.rating-option:hover .rating-option__star {
  color: var(--color-star);
  transform: scale(1.08);
}

.rating-option input:checked ~ .rating-option__star {
  color: var(--color-star);
  fill: var(--color-star);
  transform: scale(1.08);
}

.rating-option input:checked ~ .rating-option__number {
  color: var(--color-primary-dark);
}

.rating-option input:focus-visible ~ .rating-option__star {
  border-radius: 50%;
  outline: 3px solid rgba(24, 168, 223, 0.2);
  outline-offset: 3px;
}

.rating-legend {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 5px;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.rating-legend span {
  display: block;
}

/* =========================================================
   10. Recommendation
   ========================================================= */

.recommendation-options {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 10px;
}

/* =========================================================
   11. Privacy and Agreement
   ========================================================= */

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft-2);
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.privacy-note svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin-top: 2px;
  color: var(--color-primary);
}

/* =========================================================
   12. Submit Area
   ========================================================= */

.survey-submit {
  display: grid;
  gap: 14px;
  padding: 20px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.submit-button {
  display: inline-flex;
  width: 100%;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    #058bd1 100%
  );
  color: #ffffff;
  box-shadow: var(--shadow-primary);
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.submit-button:hover {
  box-shadow: 0 16px 34px rgba(24, 168, 223, 0.34);
  filter: brightness(1.03);
  transform: translateY(-1px);
}

.submit-button:active {
  box-shadow: 0 8px 18px rgba(24, 168, 223, 0.26);
  transform: translateY(0);
}

.submit-button:disabled {
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(0.15);
  opacity: 0.65;
  transform: none;
}

.submit-button__icon {
  width: 20px;
  height: 20px;
}

.submit-button__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.38);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: submit-spin 700ms linear infinite;
}

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

.survey-submit__message {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.76rem;
  line-height: 1.6;
  text-align: center;
}

.survey-submit__message strong {
  color: var(--color-primary-dark);
}

/* =========================================================
   13. Alert Messages
   ========================================================= */

.form-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.55;
}

.form-alert.is-visible {
  display: flex;
}

.form-alert--error {
  border: 1px solid rgba(220, 38, 38, 0.18);
  background: var(--color-danger-soft);
  color: #991b1b;
}

.form-alert--success {
  border: 1px solid rgba(22, 163, 74, 0.18);
  background: var(--color-success-soft);
  color: #166534;
}

.form-alert svg {
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  margin-top: 2px;
}

/* =========================================================
   14. Progress Bar
   ========================================================= */

.survey-progress {
  position: sticky;
  z-index: 20;
  top: 0;
  padding: 10px 0;
  background: rgba(247, 251, 254, 0.9);
  backdrop-filter: blur(12px);
}

.survey-progress__track {
  height: 7px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: #dfeef5;
}

.survey-progress__bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    #59c9ee
  );
  transition: width 300ms ease;
}

.survey-progress__text {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-align: right;
}

/* =========================================================
   15. Footer
   ========================================================= */

.survey-footer {
  padding: 28px 10px 0;
  text-align: center;
}

.survey-footer__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.75rem;
  line-height: 1.65;
}

.survey-footer__brand {
  display: block;
  margin-top: 7px;
  color: var(--color-primary-dark);
  font-weight: 800;
}

/* =========================================================
   16. Success Page
   ========================================================= */

.success-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.success-card {
  width: min(100%, 560px);
  padding: 34px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.success-card__logo {
  width: 120px;
  margin-inline: auto;
}

.success-card__icon {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 24px auto 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-success-soft);
  color: var(--color-success);
}

.success-card__icon svg {
  width: 36px;
  height: 36px;
}

.success-card__title {
  margin: 0;
  color: var(--color-heading);
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.success-card__description {
  max-width: 450px;
  margin: 12px auto 0;
  color: var(--color-muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.success-card__button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 800;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.success-card__button:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* =========================================================
   17. Tablet
   ========================================================= */

@media (min-width: 640px) {
  .survey-container {
    width: min(100% - 48px, var(--container-width));
    padding-block: 44px 72px;
  }

  .survey-header {
    padding-bottom: 38px;
  }

  .survey-section {
    padding: 26px;
  }

  .survey-submit {
    padding: 24px;
  }

  .form-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .option-list--inline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .recommendation-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rating-item {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 1fr);
    align-items: center;
    gap: 20px;
    padding: 17px 18px;
  }

  .rating-legend {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    text-align: center;
  }

  .success-card {
    padding: 44px 36px;
  }
}

/* =========================================================
   18. Desktop
   ========================================================= */

@media (min-width: 900px) {
  .survey-container {
    padding-block: 56px 90px;
  }

  .survey-section {
    padding: 28px;
  }

  .survey-header__logo {
    width: 148px;
  }

  .rating-option__star {
    width: 28px;
    height: 28px;
  }
}

/* =========================================================
   19. Reduced Motion
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================================
   20. Print
   ========================================================= */

@media print {
  body {
    background: #ffffff;
  }

  .survey-page::before,
  .survey-page::after,
  .survey-decoration,
  .survey-progress,
  .submit-button {
    display: none !important;
  }

  .survey-container {
    width: 100%;
    padding: 0;
  }

  .survey-section,
  .survey-submit {
    break-inside: avoid;
    border: 1px solid #d1d5db;
    box-shadow: none;
  }
}