/*
 * SalonFlow
 * File: style.css
 * Version: 1.0.0
 * Sprint: 1
 */

/* ========================================
   Root
======================================== */

:root {
  --color-ivory-50: #fffdf9;
  --color-ivory-100: #fbf7f1;
  --color-ivory-200: #f4ede4;
  --color-ivory-300: #e9ddd0;

  --color-pink-100: #f3e4e4;
  --color-pink-200: #e8cecf;
  --color-pink-300: #d9b2b5;
  --color-pink-400: #c8969a;
  --color-pink-500: #b77f84;
  --color-pink-600: #9f676d;

  --color-brown-400: #8a756b;
  --color-brown-500: #6f5e56;
  --color-brown-600: #574943;
  --color-brown-700: #403633;
  --color-brown-800: #2f2927;

  --color-gray-50: #fafafa;
  --color-gray-100: #f3f3f3;
  --color-gray-200: #e4e4e4;
  --color-gray-300: #d0d0d0;
  --color-gray-400: #a6a6a6;
  --color-gray-500: #7a7a7a;
  --color-gray-600: #5c5c5c;

  --color-white: #ffffff;
  --color-black: #1e1e1e;
  --color-error: #b64f55;
  --color-success: #6b8a72;
  --color-line: #06c755;

  --shadow-sm:
    0 2px 8px rgba(64, 54, 51, 0.05);

  --shadow-md:
    0 8px 24px rgba(64, 54, 51, 0.08);

  --shadow-lg:
    0 18px 40px rgba(64, 54, 51, 0.14);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --header-height: 72px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;

  --font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    "YuGothic",
    "Noto Sans JP",
    Meiryo,
    sans-serif;
}

/* ========================================
   Reset
======================================== */

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

html {
  min-height: 100%;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--color-brown-800);
  background:
    linear-gradient(
      180deg,
      var(--color-ivory-50) 0%,
      var(--color-ivory-100) 100%
    );
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-scroll-locked {
  overflow: hidden;
}

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

button {
  border: 0;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
}

input {
  accent-color: var(--color-pink-500);
}

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

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

[hidden] {
  display: none !important;
}

/* ========================================
   Accessibility
======================================== */

:focus-visible {
  outline: 3px solid rgba(183, 127, 132, 0.32);
  outline-offset: 3px;
}

.noscript-message {
  padding: 16px;
  color: var(--color-white);
  background: var(--color-error);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

/* ========================================
   Application Layout
======================================== */

.app-shell {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  flex-direction: column;
}

.main-content {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding:
    24px
    16px
    calc(40px + env(safe-area-inset-bottom));
  flex: 1;
}

/* ========================================
   Header
======================================== */

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: calc(var(--header-height) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid rgba(233, 221, 208, 0.8);
  background: rgba(255, 253, 249, 0.92);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  width: 100%;
  max-width: 720px;
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  min-width: 0;
}

.brand__name {
  margin: 0;
  color: var(--color-brown-700);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.15;
}

.brand__sub {
  margin: 5px 0 0;
  color: var(--color-pink-500);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.17em;
  line-height: 1.2;
}

.line-user-badge {
  display: flex;
  min-width: 0;
  max-width: 46%;
  padding: 5px 9px 5px 5px;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--color-ivory-300);
  border-radius: var(--radius-pill);
  background: var(--color-white);
}

.line-user-badge__image {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
}

.line-user-badge__name {
  overflow: hidden;
  color: var(--color-brown-600);
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========================================
   Progress
======================================== */

.progress-navigation {
  margin-bottom: 30px;
}

.progress-list {
  position: relative;
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
}

.progress-list::before {
  position: absolute;
  z-index: 0;
  top: 15px;
  right: 16.666%;
  left: 16.666%;
  height: 1px;
  background: var(--color-ivory-300);
  content: "";
}

.progress-list__item {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-gray-400);
  text-align: center;
}

.progress-list__number {
  display: flex;
  width: 31px;
  height: 31px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ivory-300);
  border-radius: 50%;
  background: var(--color-ivory-50);
  font-size: 12px;
  font-weight: 700;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.progress-list__label {
  overflow: hidden;
  width: 100%;
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-list__item.is-active,
.progress-list__item.is-complete {
  color: var(--color-pink-600);
}

.progress-list__item.is-active .progress-list__number {
  border-color: var(--color-pink-500);
  color: var(--color-white);
  background: var(--color-pink-500);
}

.progress-list__item.is-complete .progress-list__number {
  border-color: var(--color-pink-300);
  color: var(--color-pink-600);
  background: var(--color-pink-100);
}

/* ========================================
   Reservation Steps
======================================== */

.reservation-step {
  animation: fade-in 0.28s ease both;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-heading {
  margin-bottom: 24px;
  text-align: center;
}

.section-heading__eyebrow {
  margin: 0 0 5px;
  color: var(--color-pink-500);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.section-heading__title {
  margin: 0;
  color: var(--color-brown-800);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.section-heading__description {
  margin: 10px 0 0;
  color: var(--color-gray-500);
  font-size: 13px;
  line-height: 1.7;
}

/* ========================================
   Staff Card
======================================== */

.staff-card {
  margin-bottom: 20px;
  padding: 16px;
  border: 1px solid var(--color-ivory-300);
  border-radius: var(--radius-md);
  background:
    linear-gradient(
      135deg,
      var(--color-white) 0%,
      var(--color-ivory-100) 100%
    );
  box-shadow: var(--shadow-sm);
}

.staff-card__label {
  margin-bottom: 10px;
  color: var(--color-gray-500);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.staff-card__content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.staff-card__avatar {
  display: flex;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-white);
  background:
    linear-gradient(
      135deg,
      var(--color-pink-300),
      var(--color-pink-500)
    );
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
}

.staff-card__details {
  min-width: 0;
}

.staff-card__name {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.staff-card__note {
  margin: 2px 0 0;
  color: var(--color-gray-500);
  font-size: 11px;
}

/* ========================================
   Form Sections
======================================== */

.form-section {
  margin-top: 18px;
  padding: 18px 15px;
  border: 1px solid var(--color-ivory-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.form-section__heading {
  margin-bottom: 14px;
}

.form-section__title {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 15px;
  font-weight: 700;
}

.form-section__description {
  margin: 5px 0 0;
  color: var(--color-gray-500);
  font-size: 11px;
}

.required-label,
.optional-label {
  display: inline-flex;
  margin-left: 6px;
  padding: 2px 7px;
  align-items: center;
  border-radius: var(--radius-pill);
  font-size: 9px;
  font-weight: 700;
  vertical-align: 2px;
}

.required-label {
  color: var(--color-pink-600);
  background: var(--color-pink-100);
}

.optional-label {
  color: var(--color-gray-500);
  background: var(--color-gray-100);
}

/* ========================================
   Selection Cards
======================================== */

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

.selection-card {
  position: relative;
  display: block;
  width: 100%;
}

.selection-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.selection-card__body {
  position: relative;
  display: grid;
  min-height: 72px;
  padding: 14px 44px 14px 14px;
  align-items: center;
  gap: 3px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.selection-card__body::after {
  position: absolute;
  top: 50%;
  right: 15px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-gray-300);
  border-radius: 50%;
  background: var(--color-white);
  content: "";
  transform: translateY(-50%);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.selection-card__input[type="checkbox"]
  + .selection-card__body::after {
  border-radius: 6px;
}

.selection-card__input:checked
  + .selection-card__body {
  border-color: var(--color-pink-400);
  background: var(--color-pink-100);
  box-shadow: 0 0 0 2px rgba(183, 127, 132, 0.08);
}

.selection-card__input:checked
  + .selection-card__body::after {
  border-color: var(--color-pink-500);
  background:
    radial-gradient(
      circle,
      var(--color-pink-500) 0 45%,
      var(--color-white) 48% 100%
    );
}

.selection-card__input[type="checkbox"]:checked
  + .selection-card__body::after {
  background: var(--color-pink-500);
}

.selection-card__input[type="checkbox"]:checked
  + .selection-card__body::before {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: 21px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  content: "";
  transform: translateY(-58%) rotate(45deg);
}

.selection-card__input:focus-visible
  + .selection-card__body {
  outline: 3px solid rgba(183, 127, 132, 0.28);
  outline-offset: 2px;
}

.selection-card__title {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.selection-card__description {
  margin: 0;
  color: var(--color-gray-500);
  font-size: 11px;
  line-height: 1.6;
}

.selection-card__meta {
  display: flex;
  margin-top: 4px;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px 9px;
}

.selection-card__duration,
.selection-card__price {
  color: var(--color-brown-500);
  font-size: 11px;
  font-weight: 700;
}

/* ========================================
   Segmented Control
======================================== */

.segmented-control {
  display: grid;
  padding: 4px;
  gap: 4px;
  border: 1px solid var(--color-ivory-300);
  border-radius: 13px;
  background: var(--color-ivory-100);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.segmented-control__item {
  position: relative;
  display: block;
}

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

.segmented-control__button {
  display: flex;
  min-height: 44px;
  padding: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--color-gray-500);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.segmented-control__item input:checked
  + .segmented-control__button {
  border-color: var(--color-pink-300);
  color: var(--color-pink-600);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.segmented-control__item input:focus-visible
  + .segmented-control__button {
  outline: 3px solid rgba(183, 127, 132, 0.28);
  outline-offset: 2px;
}

/* ========================================
   Errors
======================================== */

.field-error {
  margin: 10px 0 0;
  color: var(--color-error);
  font-size: 11px;
  font-weight: 700;
}

.form-section.has-error {
  border-color: rgba(182, 79, 85, 0.48);
  box-shadow: 0 0 0 2px rgba(182, 79, 85, 0.07);
}

/* ========================================
   Compact Summary
======================================== */

.compact-summary {
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--color-pink-200);
  border-radius: var(--radius-md);
  background: var(--color-pink-100);
}

.compact-summary__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.compact-summary__row + .compact-summary__row {
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid rgba(183, 127, 132, 0.15);
}

.compact-summary__label {
  flex: 0 0 auto;
  color: var(--color-gray-500);
  font-size: 11px;
}

.compact-summary__value {
  color: var(--color-brown-700);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

/* ========================================
   Date Navigation
======================================== */

.date-navigation {
  display: grid;
  margin-bottom: 12px;
  align-items: center;
  gap: 10px;
  grid-template-columns: 40px minmax(0, 1fr) 40px;
}

.date-navigation__label {
  margin: 0;
  color: var(--color-brown-600);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.icon-button {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-ivory-300);
  border-radius: 50%;
  color: var(--color-brown-600);
  background: var(--color-white);
  font-size: 25px;
  line-height: 1;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    opacity var(--transition-fast);
}

.icon-button:active:not(:disabled) {
  background: var(--color-pink-100);
}

.icon-button:disabled {
  opacity: 0.35;
}

/* ========================================
   Date List
======================================== */

.date-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.date-card {
  position: relative;
  display: block;
  min-width: 0;
}

.date-card__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.date-card__body {
  display: flex;
  min-height: 72px;
  padding: 8px 4px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  background: var(--color-white);
  text-align: center;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.date-card__weekday {
  color: var(--color-gray-500);
  font-size: 9px;
  font-weight: 700;
}

.date-card__day {
  margin-top: 1px;
  color: var(--color-brown-700);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
}

.date-card__status {
  margin-top: 2px;
  color: var(--color-pink-500);
  font-size: 9px;
  font-weight: 700;
}

.date-card__input:checked + .date-card__body {
  border-color: var(--color-pink-500);
  color: var(--color-white);
  background: var(--color-pink-500);
  box-shadow: 0 6px 14px rgba(183, 127, 132, 0.2);
}

.date-card__input:checked
  + .date-card__body
  .date-card__weekday,
.date-card__input:checked
  + .date-card__body
  .date-card__day,
.date-card__input:checked
  + .date-card__body
  .date-card__status {
  color: var(--color-white);
}

.date-card__input:disabled + .date-card__body {
  border-color: var(--color-gray-100);
  color: var(--color-gray-300);
  background: var(--color-gray-50);
  opacity: 0.65;
}

.date-card__input:disabled
  + .date-card__body
  .date-card__weekday,
.date-card__input:disabled
  + .date-card__body
  .date-card__day,
.date-card__input:disabled
  + .date-card__body
  .date-card__status {
  color: var(--color-gray-300);
}

.date-card__input:focus-visible + .date-card__body {
  outline: 3px solid rgba(183, 127, 132, 0.28);
  outline-offset: 2px;
}

/* ========================================
   Time Slots
======================================== */

.time-slot-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.time-slot {
  position: relative;
  display: block;
  min-width: 0;
}

.time-slot__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.time-slot__button {
  display: flex;
  min-height: 46px;
  padding: 8px 5px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-200);
  border-radius: 10px;
  color: var(--color-brown-600);
  background: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.time-slot__input:checked + .time-slot__button {
  border-color: var(--color-pink-500);
  color: var(--color-white);
  background: var(--color-pink-500);
  box-shadow: 0 5px 12px rgba(183, 127, 132, 0.2);
}

.time-slot__input:disabled + .time-slot__button {
  border-color: var(--color-gray-100);
  color: var(--color-gray-300);
  background: var(--color-gray-50);
  text-decoration: line-through;
}

.time-slot__input:focus-visible + .time-slot__button {
  outline: 3px solid rgba(183, 127, 132, 0.28);
  outline-offset: 2px;
}

/* ========================================
   Empty State
======================================== */

.empty-state {
  display: flex;
  min-height: 84px;
  padding: 16px;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-ivory-300);
  border-radius: 12px;
  background: var(--color-ivory-50);
  text-align: center;
}

.empty-state__text {
  margin: 0;
  color: var(--color-gray-400);
  font-size: 11px;
  line-height: 1.7;
}

/* ========================================
   Confirmation
======================================== */

.confirmation-card {
  overflow: hidden;
  border: 1px solid var(--color-ivory-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.confirmation-list {
  margin: 0;
}

.confirmation-list__item {
  display: grid;
  padding: 15px;
  gap: 14px;
  grid-template-columns: 86px minmax(0, 1fr);
}

.confirmation-list__item + .confirmation-list__item {
  border-top: 1px solid var(--color-ivory-200);
}

.confirmation-list__term {
  color: var(--color-gray-500);
  font-size: 11px;
  font-weight: 700;
}

.confirmation-list__description {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  white-space: pre-line;
}

.notice-card {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--color-pink-200);
  border-radius: var(--radius-md);
  background: var(--color-pink-100);
}

.notice-card__title {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 13px;
  font-weight: 700;
}

.notice-card__list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--color-gray-600);
  font-size: 11px;
  line-height: 1.8;
}

.notice-card__list li + li {
  margin-top: 4px;
}

.agreement-field {
  margin-top: 18px;
}

.check-field {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

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

.check-field__box {
  position: relative;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border: 1px solid var(--color-gray-300);
  border-radius: 6px;
  background: var(--color-white);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.check-field input:checked + .check-field__box {
  border-color: var(--color-pink-500);
  background: var(--color-pink-500);
}

.check-field input:checked + .check-field__box::after {
  position: absolute;
  top: 3px;
  left: 7px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  content: "";
  transform: rotate(45deg);
}

.check-field input:focus-visible + .check-field__box {
  outline: 3px solid rgba(183, 127, 132, 0.28);
  outline-offset: 2px;
}

.check-field__text {
  padding-top: 1px;
  color: var(--color-brown-600);
  font-size: 12px;
  line-height: 1.7;
}

/* ========================================
   Buttons
======================================== */

.step-actions {
  display: flex;
  margin-top: 28px;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.step-actions--split {
  display: grid;
  grid-template-columns: minmax(96px, 0.75fr) minmax(0, 1.45fr);
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 50px;
  padding: 11px 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.button:active:not(:disabled) {
  transform: translateY(1px);
}

.button:disabled {
  opacity: 0.48;
}

.button--primary {
  border-color: var(--color-pink-500);
  color: var(--color-white);
  background:
    linear-gradient(
      135deg,
      var(--color-pink-500),
      var(--color-pink-600)
    );
  box-shadow: 0 7px 18px rgba(159, 103, 109, 0.2);
}

.button--primary:active:not(:disabled) {
  box-shadow: 0 3px 9px rgba(159, 103, 109, 0.16);
}

.button--secondary {
  border-color: var(--color-ivory-300);
  color: var(--color-brown-600);
  background: var(--color-white);
}

.button--full {
  width: 100%;
}

/* ========================================
   Completion
======================================== */

.reservation-complete {
  padding-top: 8px;
  text-align: center;
}

.completion-icon {
  display: flex;
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-pink-300);
  border-radius: 50%;
  color: var(--color-white);
  background:
    linear-gradient(
      135deg,
      var(--color-pink-300),
      var(--color-pink-500)
    );
  box-shadow: 0 10px 26px rgba(183, 127, 132, 0.23);
  font-size: 27px;
  font-weight: 700;
}

.completion-message {
  max-width: 460px;
  margin: 12px auto 24px;
  color: var(--color-gray-500);
  font-size: 13px;
  line-height: 1.8;
}

.reservation-complete .confirmation-card {
  text-align: left;
}

/* ========================================
   Loading Overlay
======================================== */

.loading-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: flex;
  padding:
    calc(20px + env(safe-area-inset-top))
    20px
    calc(20px + env(safe-area-inset-bottom));
  align-items: center;
  justify-content: center;
  background: rgba(47, 41, 39, 0.24);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.loading-overlay__content {
  display: flex;
  width: min(240px, 100%);
  padding: 25px 20px;
  flex-direction: column;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 249, 0.96);
  box-shadow: var(--shadow-lg);
}

.loading-spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--color-pink-100);
  border-top-color: var(--color-pink-500);
  border-radius: 50%;
  animation: loading-spin 0.8s linear infinite;
}

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

.loading-overlay__message {
  margin: 13px 0 0;
  color: var(--color-brown-600);
  font-size: 12px;
  font-weight: 700;
}

/* ========================================
   Dialog
======================================== */

.dialog {
  position: fixed;
  z-index: 1100;
  inset: 0;
  display: flex;
  padding:
    calc(20px + env(safe-area-inset-top))
    20px
    calc(20px + env(safe-area-inset-bottom));
  align-items: center;
  justify-content: center;
}

.dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(47, 41, 39, 0.38);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dialog__panel {
  position: relative;
  z-index: 1;
  width: min(390px, 100%);
  padding: 24px 20px 20px;
  border: 1px solid var(--color-ivory-300);
  border-radius: var(--radius-lg);
  background: var(--color-ivory-50);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: dialog-in 0.22s ease both;
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(5px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.dialog__icon {
  display: flex;
  width: 48px;
  height: 48px;
  margin: 0 auto 13px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
}

.dialog__icon--error {
  color: var(--color-error);
  background: rgba(182, 79, 85, 0.12);
}

.dialog__icon--confirm {
  color: var(--color-pink-600);
  background: var(--color-pink-100);
}

.dialog__title {
  margin: 0;
  color: var(--color-brown-700);
  font-size: 18px;
  font-weight: 700;
}

.dialog__message {
  margin: 10px 0 20px;
  color: var(--color-gray-500);
  font-size: 12px;
  line-height: 1.8;
  white-space: pre-line;
}

.dialog__actions {
  display: grid;
  gap: 9px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ========================================
   Footer
======================================== */

.site-footer {
  padding:
    22px
    16px
    calc(22px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-ivory-200);
  text-align: center;
}

.site-footer__text {
  margin: 0;
  color: var(--color-gray-400);
  font-size: 9px;
  letter-spacing: 0.08em;
}

/* ========================================
   Tablet and Desktop
======================================== */

@media (min-width: 640px) {
  .main-content {
    padding-top: 34px;
    padding-right: 24px;
    padding-left: 24px;
  }

  .site-header__inner {
    padding-right: 24px;
    padding-left: 24px;
  }

  .section-heading__title {
    font-size: 27px;
  }

  .staff-card,
  .form-section {
    padding: 20px;
  }

  .date-list {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .time-slot-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .selection-card__body {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .confirmation-list__item {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

/* ========================================
   Hover capable devices
======================================== */

@media (hover: hover) and (pointer: fine) {
  .selection-card:hover .selection-card__body {
    border-color: var(--color-pink-300);
    transform: translateY(-1px);
  }

  .date-card:not(:has(input:disabled)):hover
    .date-card__body {
    border-color: var(--color-pink-300);
    background: var(--color-pink-100);
  }

  .time-slot:not(:has(input:disabled)):hover
    .time-slot__button {
    border-color: var(--color-pink-300);
    background: var(--color-pink-100);
  }

  .button--primary:hover:not(:disabled) {
    box-shadow: 0 9px 22px rgba(159, 103, 109, 0.27);
    transform: translateY(-1px);
  }

  .button--secondary:hover:not(:disabled),
  .icon-button:hover:not(:disabled) {
    border-color: var(--color-pink-300);
    background: var(--color-pink-100);
  }
}

/* ========================================
   Reduced Motion
======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}