/*
  テーマ：魔法少女まどか☆マギカ
  - 企画アシスタント = まどか（ピンク・リボン・やわらかい丸み）
  - 漫画生成         = ほむら（紫×黒・盾・砂時計・クールでシャープ）
*/
:root {
  /* ベース */
  --bg: #fbf5fa;
  --card: #ffffff;
  --text: #2b2233;
  --muted: #6b5d72;

  /* まどか */
  --madoka: #e4579a;
  --madoka-strong: #cf3f7c;
  --madoka-deep: #a92c64;
  --madoka-soft: #fdedf4;
  --madoka-line: #f5c6db;

  /* ほむら */
  --homura: #6d44a8;
  --homura-light: #b48ce6;
  --homura-deep: #2d2140;
  --homura-soft: #f3eefa;
  --homura-line: #d9cbeb;
  --homura-on-dark: #e3d4f7;

  /* 状態 */
  --danger: #b83227;
  --danger-soft: #fff3f2;
  --danger-line: #f3c0bb;

  /* 余白（8px基準） */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  /* 形状 */
  --radius-round: 24px; /* まどか */
  --radius-sharp: 6px;  /* ほむら */
  --shadow-madoka: 0 10px 30px rgba(228, 87, 154, 0.10);
  --shadow-homura: 0 10px 30px rgba(45, 33, 64, 0.12);

  /* 線画アイコン（24×24・線幅2で統一） */
  --icon-sparkle: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l1.9 5.1L19 10l-5.1 1.9L12 17l-1.9-5.1L5 10l5.1-1.9z'/%3E%3Cpath d='M19 16v4M17 18h4'/%3E%3C/svg%3E");
  --icon-hourglass: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 3h12M6 21h12'/%3E%3Cpath d='M7 3c0 5 5 6 5 9s-5 4-5 9M17 3c0 5-5 6-5 9s5 4 5 9'/%3E%3C/svg%3E");
  --icon-shield: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v6c0 4.5-3 7.5-7 9-4-1.5-7-4.5-7-9V6z'/%3E%3C/svg%3E");
  --icon-info: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 11v5M12 8h.01'/%3E%3C/svg%3E");
  --icon-alert: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4L2.8 19.5h18.4z'/%3E%3Cpath d='M12 10v4M12 17h.01'/%3E%3C/svg%3E");
  --icon-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='3'/%3E%3Ccircle cx='9' cy='10' r='2'/%3E%3Cpath d='M21 16l-5-5-9 9'/%3E%3C/svg%3E");
  --icon-ribbon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 11L3 5.5v11z M12 11l9-5.5v11z' fill='black' stroke='black' stroke-width='1.5'/%3E%3Cpath d='M11 13l-3 8M13 13l3 8' stroke='black' stroke-width='2.2'/%3E%3Ccircle cx='12' cy='11.5' r='2.8' fill='black' stroke='none'/%3E%3C/svg%3E");
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(circle at 0% 20%, rgba(244, 170, 206, 0.25), transparent 45%),
    radial-gradient(circle at 100% 60%, rgba(160, 125, 210, 0.20), transparent 45%),
    var(--bg);
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* 線画アイコン共通：mask で形を抜き、色は currentColor に合わせる */
.icon,
.btn::before,
.result-label::before,
.gen-notice::before,
.preview-head > span:first-child::before {
  content: "";
  display: inline-block;
  flex-shrink: 0;
  width: 1.15em;
  height: 1.15em;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

/* 視覚的には隠すが、キーボード・読み上げでは使える */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Header（ピンク→紫のグラデーションで二人をつなぐ） ---------- */
.app-header {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: var(--space-6) 0;
  background: linear-gradient(115deg, #c94789 0%, #a2449c 40%, #6d44a8 72%, var(--homura-deep) 100%);
}
.app-header::after {
  /* きらきらの星 */
  content: "✦ ✧ ✦";
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 40px;
  letter-spacing: 12px;
  color: rgba(255, 255, 255, 0.3);
  pointer-events: none;
}
.app-title {
  margin: 0;
  font-family: "Zen Maru Gothic", "M PLUS Rounded 1c", sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
}
.app-subtitle {
  margin: var(--space-2) 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
}

/* ---------- Layout ---------- */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  align-items: start;
}

.panel {
  position: relative;
  background: var(--card);
  padding: var(--space-6);
}

/* まどか：丸みのあるカード＋リボン */
.panel-assistant {
  border-radius: var(--radius-round);
  border: 1px solid var(--madoka-line);
  box-shadow: var(--shadow-madoka);
}
.panel-assistant::before {
  content: "";
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 36px;
  background: linear-gradient(135deg, #f58cbc, var(--madoka-strong));
  -webkit-mask: var(--icon-ribbon) center / contain no-repeat;
  mask: var(--icon-ribbon) center / contain no-repeat;
}

/* ほむら：直線的でシャープなカード＋黒紫のライン */
.panel-generate {
  border-radius: var(--radius-sharp);
  border: 1px solid var(--homura-line);
  border-top: 6px solid var(--homura-deep);
  box-shadow: var(--shadow-homura);
}
.panel-generate::before {
  /* 紫のひし形（ソウルジェム風） */
  content: "";
  position: absolute;
  top: -14px;
  right: 28px;
  width: 20px;
  height: 20px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--homura-light), var(--homura));
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(109, 68, 168, 0.45);
}

.panel-head { margin-bottom: var(--space-5); }
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.panel-head h2 {
  margin: var(--space-3) 0 var(--space-2);
  font-size: 24px;
  line-height: 1.4;
}
.panel-assistant h2 { color: var(--madoka-deep); }
.panel-generate  h2 { color: var(--homura-deep); letter-spacing: 0.06em; }

.panel-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  padding: var(--space-1) var(--space-3);
}
.badge-assistant {
  background: var(--madoka-soft);
  color: var(--madoka-deep);
  border-radius: 999px;
}
.badge-generate {
  background: var(--homura-deep);
  color: var(--homura-on-dark);
  border-radius: 4px;
  letter-spacing: 0.08em;
}
.badge-paid {
  background: var(--homura-soft);
  color: var(--homura);
  border-radius: 4px;
}

/* ---------- Form ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}
.field-label {
  font-size: 15px;
  font-weight: 700;
}
.panel-assistant .field-label { color: var(--madoka-deep); }
.panel-generate  .field-label { color: var(--homura); }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

select,
textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
}
textarea { resize: vertical; min-height: 120px; }
select {
  appearance: none;
  padding-right: 44px;
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  cursor: pointer;
}
select:focus,
textarea:focus { outline: none; }
::placeholder { color: #9a8ea0; }

.panel-assistant select,
.panel-assistant textarea {
  background-color: #fffafc;
  border: 1.5px solid var(--madoka-line);
  border-radius: 14px;
}
.panel-assistant select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cf3f7c' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); }
.panel-assistant select:focus,
.panel-assistant textarea:focus {
  background-color: #fff;
  border-color: var(--madoka);
  box-shadow: 0 0 0 4px var(--madoka-soft);
}

.panel-generate select,
.panel-generate textarea {
  background-color: #fcfaff;
  border: 1px solid var(--homura-line);
  border-radius: var(--radius-sharp);
}
.panel-generate select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236d44a8' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); }
.panel-generate select:focus,
.panel-generate textarea:focus {
  background-color: #fff;
  border-color: var(--homura);
  box-shadow: 0 0 0 3px var(--homura-soft);
}

.upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-6) var(--space-4);
  border: 2px dashed var(--madoka-line);
  border-radius: 20px;
  background: var(--madoka-soft);
  cursor: pointer;
  text-align: center;
  transition: background-color 0.15s, border-color 0.15s;
}
.upload:hover { background: #fbdfeb; border-color: var(--madoka); }
.upload:focus-within {
  border-color: var(--madoka);
  box-shadow: 0 0 0 4px var(--madoka-soft);
}
.upload-icon {
  --icon: var(--icon-image);
  width: 36px;
  height: 36px;
  margin-bottom: var(--space-1);
  color: var(--madoka);
}
.upload-text { font-weight: 700; color: var(--madoka-deep); }
.upload-hint { font-size: 13px; color: var(--muted); word-break: break-all; }

.note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 56px;
  padding: var(--space-3) var(--space-5);
  border: none;
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: transform 0.1s, filter 0.15s, box-shadow 0.15s;
}
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.6; cursor: wait; box-shadow: none; }

.btn-assistant {
  --icon: var(--icon-sparkle);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--madoka-strong), var(--madoka-deep));
  box-shadow: 0 8px 20px rgba(207, 63, 124, 0.30);
}
.btn-assistant:focus-visible { outline: 3px solid var(--madoka); outline-offset: 3px; }

.btn-generate {
  --icon: var(--icon-hourglass);
  border-radius: var(--radius-sharp);
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--homura), #4a2f78 60%, var(--homura-deep));
  box-shadow: 0 8px 20px rgba(45, 33, 64, 0.30);
}
.btn-generate:focus-visible { outline: 3px solid var(--homura-light); outline-offset: 3px; }

/* ---------- Assistant result ---------- */
.result {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--madoka-soft);
  border-radius: 20px;
  border: 1px solid var(--madoka-line);
}
.result-label {
  --icon: var(--icon-sparkle);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  font-weight: 700;
  color: var(--madoka-deep);
  margin-bottom: var(--space-3);
}
.result-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  white-space: pre-wrap; /* AIの改行をそのまま表示 */
}
.result.is-loading .result-text { color: var(--muted); }

/* AIの回答：見出し・項目・説明文 */
.answer-heading {
  margin: var(--space-5) 0 var(--space-3);
  padding-bottom: var(--space-1);
  font-size: 16px;
  line-height: 1.5;
  color: var(--madoka-deep);
  border-bottom: 1px solid var(--madoka-line);
  white-space: normal;
}
.answer-heading:first-child { margin-top: 0; }
.answer-text { margin: 0 0 var(--space-3); white-space: normal; }
.answer-item {
  position: relative;
  margin-bottom: var(--space-3);
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 10px);
  background: #fff;
  border-radius: 14px;
  white-space: normal;
}
.answer-item::before {
  /* まどかカラーの丸いマーカー */
  content: "";
  position: absolute;
  left: 12px;
  top: calc(var(--space-3) + 0.62em);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--madoka);
}
.answer-item-title { margin: 0; font-weight: 700; }
.answer-item-text { margin: var(--space-1) 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.result.is-error {
  background: var(--danger-soft);
  border-color: var(--danger-line);
}
.result.is-error .result-label { --icon: var(--icon-alert); }
.result.is-error .result-label,
.result.is-error .result-text { color: var(--danger); }

/* ---------- Generate notice ---------- */
.gen-notice {
  --icon: var(--icon-info);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-4);
  font-size: 15px;
  color: var(--homura-deep);
  background: var(--homura-soft);
  border: 1px solid var(--homura-line);
  border-left: 4px solid var(--homura);
  border-radius: var(--radius-sharp);
}
.gen-notice[hidden] { display: none; }
.gen-notice::before { margin-top: 0.3em; color: var(--homura); }
.gen-notice.is-error {
  --icon: var(--icon-alert);
  color: var(--danger);
  background: var(--danger-soft);
  border-color: var(--danger-line);
  border-left-color: var(--danger);
}
.gen-notice.is-error::before { color: var(--danger); }

/* ---------- Generate preview ---------- */
.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0 var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--homura-line);
  font-weight: 700;
  color: var(--homura-deep);
}
.preview-head > span:first-child {
  --icon: var(--icon-shield);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.preview-head > span:first-child::before { color: var(--homura); }
.preview-meta {
  font-size: 12px;
  color: var(--homura-on-dark);
  background: var(--homura-deep);
  padding: var(--space-1) var(--space-3);
  border-radius: 4px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.preview-card {
  border: 1px solid var(--homura-line);
  border-radius: var(--radius-sharp);
  overflow: hidden;
  background: #fff;
}
.preview-card-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--homura-deep);
}
.preview-card-head span:first-child::before { content: "◆ "; color: var(--homura-light); }
.preview-card-head span:last-child { color: var(--homura-on-dark); font-weight: 400; }

.preview-image {
  aspect-ratio: 3 / 4;
  margin: var(--space-3);
  border: 1.5px dashed var(--homura-line);
  border-radius: 4px;
  background:
    repeating-linear-gradient(45deg, rgba(109, 68, 168, 0.04) 0 10px, transparent 10px 20px),
    var(--homura-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4);
  gap: var(--space-2);
}
.preview-image strong { font-size: 14px; color: var(--homura); }
.preview-image small { font-size: 12px; color: var(--muted); line-height: 1.6; }
.preview-image.is-loading strong::after { content: " …"; }
.preview-image.is-error strong { color: var(--danger); }
.preview-image.has-image {
  padding: 0;
  border-style: solid;
  background: #fff;
}
.preview-image.has-image a { display: block; width: 100%; height: 100%; }
.preview-image.has-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ---------- Footer ---------- */
.app-footer {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  padding: 0 0 var(--space-6);
}

/* ---------- Responsive ---------- */
/* タブレット：1カラム。横に伸びすぎないよう幅を抑える */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
    max-width: 720px;
    gap: var(--space-7);
    padding-top: var(--space-7);
  }
  .app-header::after { display: none; }
  .app-header .container { max-width: 720px; }
}

/* スマホ：縦1列・余白を詰める */
@media (max-width: 600px) {
  .container { padding: 0 var(--space-4); }
  .app-header { padding: var(--space-5) 0; }
  .app-title { font-size: 24px; }
  .app-subtitle { font-size: 14px; }
  .main-grid { padding-top: var(--space-6); gap: var(--space-6); }
  .panel { padding: var(--space-6) var(--space-4) var(--space-5); }
  .panel-head h2 { font-size: 21px; }
  .field-row { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .result { padding: var(--space-4); }
}