:root {
  --bg: #111111;
  --card: #1b1b1b;
  --card-border: #2c2c2c;
  --text: #f5f5f5;
  --subtext: #b8b8b8;
  --accent: #ff7a00;
  --accent-strong: #ff5c00;
  --input-bg: #121212;
  --success-bg: #181f18;
  --success-border: #2b4d2f;
  --error-bg: #241616;
  --error-border: #5a2424;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    -apple-system, BlinkMacSystemFont,
    "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", sans-serif;
  background:
    radial-gradient(circle at top, #2b2b2b 0%, #111111 45%),
    var(--bg);
  color: var(--text);
}

body.modal-open {
  overflow: hidden;
}

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

.card {
  width: 100%;
  max-width: 720px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.header {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.header h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
}

.description {
  margin: 0;
  color: var(--subtext);
  line-height: 1.7;
}

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

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
}

.field input[type="text"],
.field textarea,
.field input[type="file"] {
  width: 100%;
  border: 1px solid #3a3a3a;
  background: var(--input-bg);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
}

.field textarea {
  resize: vertical;
}

.preview-wrapper {
  border: 1px solid #353535;
  border-radius: 16px;
  padding: 16px;
  background: #141414;
}

.preview-label {
  margin: 0 0 12px;
  color: var(--subtext);
  font-size: 14px;
}

.preview-image {
  width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  max-height: 420px;
}

.submit-button {
  appearance: none;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 20px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.submit-button:hover {
  transform: translateY(-1px);
}

.submit-button.is-loading {
  position: relative;
  color: rgba(255, 255, 255, 0.88);
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error {
  margin-top: 24px;
  border-radius: 16px;
  padding: 20px;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
}

.result-label {
  margin: 0 0 12px;
  color: #b9e3bf;
  font-size: 14px;
  font-weight: 700;
}

.score-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 8px;
}

.score-value {
  font-size: clamp(52px, 10vw, 80px);
  line-height: 1;
  font-weight: 800;
}

.score-unit {
  font-size: 20px;
  padding-bottom: 10px;
}

.score-rank {
  margin: 0 0 10px;
  font-weight: 700;
  color: #ffd28a;
}

.score-comment {
  margin: 0;
  line-height: 1.8;
  color: #f1f1f1;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.modal-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 30px);
  line-height: 1.2;
}

.loading-card,
.result-card {
  padding: 28px;
}

.loading-card {
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(255, 122, 0, 0.18), transparent 48%),
    #171717;
}

.loading-text {
  margin: 0;
  color: var(--subtext);
  line-height: 1.7;
}

.loading-spinner {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 6px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  border-right-color: var(--accent-strong);
  animation: spin 0.85s linear infinite;
}

.result-card {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
}

.result-image-frame {
  margin: 0 0 18px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.12), transparent 60%),
    #111111;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.result-preview-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

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

@media (max-width: 640px) {
  .card {
    padding: 18px;
  }

  .modal {
    padding: 16px;
  }

  .loading-card,
  .result-card {
    padding: 22px;
  }
}