/* ==========================================================================
   SEVENTEEN PALETTE & RETRO ARCADE THEME (Matching leaa.site & api.leaa.site)
   ========================================================================== */

:root {
  color-scheme: light;

  /* SEVENTEEN Light Palette (Rose Quartz & Serenity) */
  --primary-color: #41749e;
  --primary-hover: #345f82;
  --primary-soft: rgba(65, 116, 158, 0.15);
  --rose-quartz: #f4a8b8;
  --rose-quartz-soft: rgba(244, 168, 184, 0.22);
  --serenity: #8da4ce;

  --background-pink: #ffe6ea;
  --background-blue: #e6f0ff;
  --bg-gradient: linear-gradient(135deg, #ffe6ea 0%, #f7cad0 30%, #e6f0ff 70%, #d8e6ff 100%);

  --card-bg: rgba(255, 255, 255, 0.92);
  --card-border: var(--primary-color);
  --card-shadow: 6px 6px 0 var(--primary-color);
  --card-hover-shadow: 8px 8px 0 var(--primary-color);

  --text-main: #000000;
  --text-desc: #333333;
  --text-muted: #555555;

  --title-color: var(--primary-color);
  --title-shadow: 3px 3px 0 rgba(255, 255, 255, 0.8), 5px 5px 0 rgba(244, 168, 184, 0.45);
  --slogan-color: var(--primary-color);

  --input-bg: #ffffff;
  --input-border: var(--primary-color);
  --input-shadow: 3px 3px 0 var(--primary-color);
  --input-text: #000000;

  --btn-bg: var(--primary-color);
  --btn-hover: var(--primary-hover);
  --btn-text: #ffffff;
  --btn-border: #000000;
  --btn-shadow: 4px 4px 0 #000000;

  --btn-secondary-bg: #ffffff;
  --btn-secondary-text: var(--primary-color);
  --btn-secondary-border: var(--primary-color);
  --btn-secondary-shadow: 4px 4px 0 var(--primary-color);

  --badge-user-bg: #ffe6ea;
  --badge-user-border: #f4a8b8;
  --badge-user-text: #b33951;

  --badge-oshi-bg: #e6f0ff;
  --badge-oshi-border: var(--primary-color);
  --badge-oshi-text: var(--primary-color);

  --quote-bg: rgba(255, 230, 234, 0.55);
  --quote-border: #f4a8b8;
  --quote-text: #444444;

  --meter-bg: #e2e8f0;
  --meter-border: var(--primary-color);
  --meter-fill: linear-gradient(90deg, #f4a8b8 0%, var(--primary-color) 100%);

  --note-bg: rgba(230, 240, 255, 0.65);
  --note-border: var(--primary-color);

  --status-bg: rgba(255, 255, 255, 0.8);
  --status-border: var(--primary-color);

  --cloud-color: rgba(255, 255, 255, 0.7);
  --footer-color: var(--primary-color);

  --square-1: #fff9db;
  --square-2: #e6ffed;
  --square-3: #f3e6ff;
}

/* SEVENTEEN Dark Palette (Twilight Rose Quartz & Midnight Serenity) */
[data-theme="dark"] {
  color-scheme: dark;

  --primary-color: #8da4ce;
  --primary-hover: #7b94bf;
  --primary-soft: rgba(141, 164, 206, 0.18);
  --rose-quartz: #f4a8b8;
  --rose-quartz-soft: rgba(244, 168, 184, 0.25);
  --serenity: #8da4ce;

  --background-pink: #1c1626;
  --background-blue: #0d0f17;
  --bg-gradient: radial-gradient(circle at 50% 0%, #1c1626 0%, #111422 45%, #0a0b12 100%);

  --card-bg: rgba(22, 26, 40, 0.9);
  --card-border: #8da4ce;
  --card-shadow: 6px 6px 0 #8da4ce;
  --card-hover-shadow: 8px 8px 0 #f4a8b8;

  --text-main: #f8fafc;
  --text-desc: #cbd5e1;
  --text-muted: #94a3b8;

  --title-color: #f4b0be;
  --title-shadow: 3px 3px 0 #0a0b12, 0 0 20px rgba(244, 176, 190, 0.35);
  --slogan-color: #8da4ce;

  --input-bg: #0f121d;
  --input-border: #8da4ce;
  --input-shadow: 3px 3px 0 #8da4ce;
  --input-text: #f8fafc;

  --btn-bg: #8da4ce;
  --btn-hover: #7b94bf;
  --btn-text: #0b0f19;
  --btn-border: #f4a8b8;
  --btn-shadow: 4px 4px 0 #f4a8b8;

  --btn-secondary-bg: #161a28;
  --btn-secondary-text: #f4a8b8;
  --btn-secondary-border: #f4a8b8;
  --btn-secondary-shadow: 4px 4px 0 #f4a8b8;

  --badge-user-bg: rgba(244, 168, 184, 0.15);
  --badge-user-border: #f4a8b8;
  --badge-user-text: #f4a8b8;

  --badge-oshi-bg: rgba(141, 164, 206, 0.15);
  --badge-oshi-border: #8da4ce;
  --badge-oshi-text: #8da4ce;

  --quote-bg: rgba(244, 168, 184, 0.08);
  --quote-border: #f4a8b8;
  --quote-text: #e2e8f0;

  --meter-bg: #101320;
  --meter-border: #8da4ce;
  --meter-fill: linear-gradient(90deg, #f4a8b8 0%, #8da4ce 100%);

  --note-bg: rgba(141, 164, 206, 0.1);
  --note-border: #8da4ce;

  --status-bg: rgba(22, 26, 40, 0.7);
  --status-border: #8da4ce;

  --cloud-color: rgba(141, 164, 206, 0.12);
  --footer-color: #8da4ce;

  --square-1: #f4a8b8;
  --square-2: #8da4ce;
  --square-3: #c084fc;
}

/* ==========================================================================
   RESET & BASE STYLING
   ========================================================================== */

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

body {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5.5rem 1rem 2.5rem 1rem;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: 'Chakra Petch', sans-serif;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   BACKGROUND RETRO CLOUDS (leaa.site style)
   ========================================================================== */

.cloud {
  position: fixed;
  border-radius: 50%;
  background: var(--cloud-color);
  filter: blur(55px);
  pointer-events: none;
  z-index: 0;
  transition: background 0.4s ease;
}

.cloud-1 {
  top: 5%;
  left: -8%;
  width: 380px;
  height: 380px;
  animation: floatCloud1 22s ease-in-out infinite alternate;
}

.cloud-2 {
  top: 45%;
  right: -10%;
  width: 440px;
  height: 440px;
  animation: floatCloud2 28s ease-in-out infinite alternate;
}

.cloud-3 {
  bottom: -5%;
  left: 15%;
  width: 320px;
  height: 320px;
  animation: floatCloud1 25s ease-in-out infinite alternate-reverse;
}

@keyframes floatCloud1 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(40px, 35px); }
}

@keyframes floatCloud2 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-35px, -30px); }
}

/* ==========================================================================
   TOP BAR (Back Link & Theme Toggle - Static at top)
   ========================================================================== */

.top-nav-bar {
  position: absolute;
  top: 1.5rem;
  left: 0;
  right: 0;
  max-width: 580px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.62rem;
  text-decoration: none;
  background: var(--card-bg);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 3px 3px 0 var(--primary-color);
  border-radius: 8px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.back-link:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--primary-color);
  background: var(--primary-soft);
}

.back-link:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--primary-color);
}

.theme-switch-container {
  display: flex;
  align-items: center;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--card-bg);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 3px 3px 0 var(--primary-color);
  border-radius: 8px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.theme-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--primary-color);
}

.theme-toggle-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--primary-color);
}

.theme-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle-btn:hover .theme-icon {
  transform: rotate(18deg);
}

/* ==========================================================================
   PAGE CONTAINER & CARD (Retro Arcade Box)
   ========================================================================== */

.page {
  position: relative;
  width: 100%;
  max-width: 540px;
  z-index: 1;
}

.card {
  position: relative;
  background: var(--card-bg);
  border: 4px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: 12px;
  padding: 34px 28px 30px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.card:hover {
  box-shadow: var(--card-hover-shadow);
}

/* Retro Squares Decor (leaa.site style) */
.retro-squares {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: -6px;
}

.retro-squares div {
  width: 18px;
  height: 18px;
  border: 2px solid var(--card-border);
  box-shadow: 2px 2px 0 var(--card-border);
  border-radius: 3px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.square-1 { background-color: var(--square-1); }
.square-2 { background-color: var(--square-2); }
.square-3 { background-color: var(--square-3); }

/* Header Section */
.header-section {
  text-align: center;
}

.main-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 1.6rem;
  letter-spacing: 1px;
  color: var(--title-color);
  text-shadow: var(--title-shadow);
  margin-bottom: 12px;
  line-height: 1.35;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.slogan-container {
  display: inline-block;
  padding: 4px 12px;
  border: 2px solid var(--primary-color);
  background: var(--status-bg);
  border-radius: 6px;
  margin-bottom: 12px;
}

.slogan {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.58rem;
  letter-spacing: 0.8px;
  color: var(--slogan-color);
  margin: 0;
}

.subtitle {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-desc);
  font-weight: 500;
  max-width: 440px;
  margin: 0 auto;
}

/* ==========================================================================
   INPUT FORM & CONTROLS
   ========================================================================== */

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  color: var(--primary-color);
  letter-spacing: 0.5px;
}

.input-row {
  display: flex;
  gap: 10px;
}

input[type="text"] {
  flex-grow: 1;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 12px 16px;
  color: var(--input-text);
  background: var(--input-bg);
  border: 2px solid var(--input-border);
  box-shadow: var(--input-shadow);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

input[type="text"]:focus {
  border-color: var(--rose-quartz);
  box-shadow: 3px 3px 0 var(--rose-quartz);
}

input[type="text"]::placeholder {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.95rem;
}

/* Retro Arcade Buttons */
button, .member-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.68rem;
  letter-spacing: 0.5px;
  padding: 12px 18px;
  color: var(--btn-text);
  background-color: var(--btn-bg);
  border: 2px solid var(--btn-border);
  box-shadow: var(--btn-shadow);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.2s ease;
  user-select: none;
}

button:hover, .member-btn:hover {
  background-color: var(--primary-hover);
}

button:active, .member-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--btn-border);
}

#submit-btn {
  white-space: nowrap;
}

/* Status Message & Spinner */
.status {
  margin-top: 14px;
  min-height: 24px;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.loader-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-color);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.58rem;
  letter-spacing: 0.5px;
  animation: pulseLoader 1.4s ease-in-out infinite alternate;
}

@keyframes pulseLoader {
  0% { opacity: 0.4; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1.02); }
}

.error-msg {
  color: #ef4444;
  font-weight: 600;
}

/* Disclaimer */
.disclaimer {
  margin-top: 12px;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   RESULT CARD (Retro Arcade Output)
   ========================================================================== */

.result-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeInResult 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInResult {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.user-badge {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  padding: 6px 12px;
  background: var(--badge-user-bg);
  border: 2px solid var(--badge-user-border);
  color: var(--badge-user-text);
  box-shadow: 2px 2px 0 var(--badge-user-border);
  border-radius: 6px;
  max-width: 170px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.heart-icon {
  font-size: 1.1rem;
  animation: heartPulse 1.2s infinite;
}

@keyframes heartPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.22); }
  100% { transform: scale(1); }
}

.oshi-badge {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  padding: 6px 12px;
  background: var(--badge-oshi-bg);
  border: 2px solid var(--badge-oshi-border);
  color: var(--badge-oshi-text);
  box-shadow: 2px 2px 0 var(--badge-oshi-border);
  border-radius: 6px;
}

/* Member Profile Section */
.member-profile-section {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 16px;
  background: var(--status-bg);
  border: 2px solid var(--card-border);
  box-shadow: 3px 3px 0 var(--card-border);
  border-radius: 8px;
}

.member-avatar-wrapper {
  flex-shrink: 0;
  width: 96px;
  height: 120px;
  border: 3px solid var(--card-border);
  box-shadow: 3px 3px 0 var(--card-border);
  border-radius: 6px;
  overflow: hidden;
  background: #000;
}

.member-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.member-info {
  flex-grow: 1;
  min-width: 0;
}

.member-name {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--title-color);
  margin-bottom: 6px;
  word-break: break-word;
}

.member-meta {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-desc);
  margin-bottom: 12px;
}

/* Match Meter (Arcade Health Bar style) */
.match-meter-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.match-meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.match-meter-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--primary-color);
  letter-spacing: 0.5px;
}

.match-meter-val {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.65rem;
  color: var(--rose-quartz);
}

.match-meter-bar {
  height: 12px;
  background: var(--meter-bg);
  border: 2px solid var(--meter-border);
  box-shadow: 2px 2px 0 var(--meter-border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.match-meter-fill {
  height: 100%;
  background: var(--meter-fill);
  border-radius: 2px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Jikoshoukai Box */
.jiko-section {
  padding: 12px 16px;
  background: var(--quote-bg);
  border: 2px solid var(--quote-border);
  box-shadow: 3px 3px 0 var(--quote-border);
  border-radius: 6px;
}

.jiko-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.58rem;
  color: var(--rose-quartz);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.jiko-quote {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--quote-text);
  font-style: italic;
  font-weight: 500;
}

/* Narrative Section */
.narrative-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.narrative-desc {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-desc);
  font-weight: 500;
}

.narrative-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--note-bg);
  border: 2px solid var(--note-border);
  box-shadow: 3px 3px 0 var(--note-border);
  border-radius: 6px;
}

.note-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.note-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-desc);
  font-weight: 500;
}

/* Action Buttons */
.actions-wrapper {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.actions-wrapper .member-btn {
  flex: 1;
}

.reset-btn {
  flex: 1;
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
  box-shadow: var(--btn-secondary-shadow);
}

.reset-btn:hover {
  background-color: var(--primary-soft);
}

/* ==========================================================================
   FOOTER (Matching leaa.site)
   ========================================================================== */

.site-footer {
  margin-top: 24px;
  text-align: center;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.85rem;
  color: var(--footer-color);
  font-weight: 600;
  transition: color 0.3s ease;
}

.site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS
   ========================================================================== */

@media (max-width: 600px) {
  body {
    padding: 4.8rem 0.85rem 1.5rem 0.85rem;
  }

  .top-nav-bar {
    top: 1rem;
    padding: 0 0.85rem;
  }

  .back-link {
    font-size: 0.55rem;
    padding: 6px 10px;
  }

  .theme-toggle-btn {
    width: 36px;
    height: 36px;
  }

  .card {
    padding: 24px 18px 22px 18px;
    border-width: 3px;
    box-shadow: 4px 4px 0 var(--card-border);
  }

  .main-title {
    font-size: 1.25rem;
  }

  .slogan {
    font-size: 0.5rem;
  }

  .subtitle {
    font-size: 0.86rem;
  }

  .input-row {
    flex-direction: column;
  }

  #submit-btn {
    width: 100%;
    padding: 12px;
  }

  .member-profile-section {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .member-avatar-wrapper {
    width: 100px;
    height: 125px;
  }

  .match-meter-container {
    margin-top: 8px;
  }

  .actions-wrapper {
    flex-direction: column;
  }
}