@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;700&family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --accent: #0f766e;
  --accent-strong: #0b4f4a;
  --card: #fef7ee;
  --card-shadow: rgba(15, 23, 42, 0.15);
  --border: rgba(15, 23, 42, 0.15);
  --surface: rgba(255, 255, 255, 0.7);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(15, 118, 110, 0.2), transparent 55%),
    radial-gradient(circle at 80% 20%, rgba(234, 179, 8, 0.2), transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #fef3c7 100%);
  display: flex;
  justify-content: center;
  padding: 72px 20px 120px;
}

.page {
  width: min(960px, 100%);
  display: grid;
  gap: 32px;
}

.hero {
  background: var(--surface);
  border-radius: 28px;
  padding: 36px 40px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 48px -36px var(--card-shadow);
  animation: rise 0.7s ease-out both;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin: 0 0 12px;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 3vw + 1.2rem, 3.6rem);
  margin: 0 0 8px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.lang-toggle {
  display: inline-flex;
  background: rgba(15, 118, 110, 0.12);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}

.lang-btn {
  border: none;
  background: transparent;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--accent-strong);
}

.lang-btn.is-active {
  background: white;
  color: var(--ink);
  box-shadow: 0 6px 14px -10px var(--card-shadow);
}

.upload-card {
  background: var(--card);
  border-radius: 30px;
  padding: 32px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 18px 45px -34px var(--card-shadow);
  animation: fade-in 0.8s ease-out 0.15s both;
  display: grid;
  gap: 24px;
}

.filter-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 30px;
  padding: 30px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 20px 50px -38px var(--card-shadow);
  animation: fade-in 0.85s ease-out 0.2s both;
  display: grid;
  gap: 20px;
}

.filter-head h2 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.filter-head p {
  margin: 0;
  color: var(--muted);
}

.filter-controls {
  display: grid;
  gap: 14px;
}

.tab-group {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-button {
  border: none;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 600;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 0.9rem;
}

.tab-button.is-active {
  background: var(--accent);
  color: white;
}

.gemini-response {
  background: rgba(255, 255, 255, 0.75);
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.gemini-label {
  margin: 0 0 6px;
  font-weight: 600;
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.gemini-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.gemini-chat {
  display: grid;
  gap: 12px;
}

.chat-bubble {
  padding: 12px 14px;
  border-radius: 14px;
  max-width: 85%;
  line-height: 1.5;
  font-size: 0.95rem;
}

.chat-bubble.user {
  justify-self: end;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

.chat-bubble.assistant {
  justify-self: start;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.filter-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.filter-controls select,
.filter-controls input[type="text"],
.filter-controls textarea {
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: white;
}

.filter-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: 0.95rem;
}

.filter-fields label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.rule-editor h3 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.rule-hint {
  margin: 0 0 12px;
  color: var(--muted);
}

.rule-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.rule-item {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.rule-item input {
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  padding: 10px 12px;
  font-size: 0.92rem;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: #fff;
}

.upload-head h2 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.upload-head p {
  margin: 0;
  color: var(--muted);
}

.drop-zone {
  border: 2px dashed rgba(15, 118, 110, 0.35);
  border-radius: 20px;
  padding: 28px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.drop-zone:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.5);
  outline-offset: 4px;
}

.drop-zone.is-dragover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -18px var(--card-shadow);
}

.drop-icon {
  font-size: 2rem;
  background: rgba(15, 118, 110, 0.12);
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--accent-strong);
}

.drop-title {
  margin: 0 0 6px;
  font-weight: 600;
}

.drop-sub {
  margin: 0;
  color: var(--muted);
}

.file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.warning {
  margin: 0;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(185, 28, 28, 0.35);
  background: rgba(254, 226, 226, 0.7);
  color: #991b1b;
  font-weight: 500;
}

.file-button {
  background: var(--accent);
  color: white;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 14px 28px -18px rgba(15, 118, 110, 0.7);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.link-button {
  justify-self: start;
  background: var(--accent-strong);
}

.file-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -20px rgba(15, 118, 110, 0.7);
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.file-list {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.65);
  padding: 16px 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.file-empty {
  margin: 0;
  color: var(--muted);
}

#fileList {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

#fileList li {
  list-style: none;
  display: grid;
  gap: 6px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#fileList li:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -20px var(--card-shadow);
}

#fileList li.is-active {
  border-color: rgba(15, 118, 110, 0.5);
  box-shadow: 0 16px 30px -22px rgba(15, 118, 110, 0.4);
}

#fileList span {
  color: var(--muted);
  font-size: 0.85rem;
}

.file-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 0.75rem;
}

.file-badge {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.7rem;
}

#fileList li.is-hidden {
  display: none;
}

.summary-card {
  background: white;
  border-radius: 30px;
  padding: 30px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 22px 50px -36px var(--card-shadow);
  animation: fade-in 0.9s ease-out 0.25s both;
  display: grid;
  gap: 18px;
}

.summary-head h2 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.summary-head p {
  margin: 0;
  color: var(--muted);
}

.summary-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.meta-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.meta-list div {
  display: grid;
  gap: 4px;
}

.meta-list dt {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meta-list dd {
  margin: 0;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  font-weight: 600;
  margin-bottom: 12px;
}

.snippet {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.attachment-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.attachment-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
}

.attachment-item button {
  border: none;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-weight: 600;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}

.eml-view {
  display: grid;
  gap: 18px;
}

.eml-view .file-list {
  background: transparent;
  border: none;
  padding: 0;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-tab {
  border: none;
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-weight: 600;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 0.85rem;
}

.page-tab.is-active {
  background: var(--accent);
  color: white;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  body {
    padding: 48px 16px 80px;
  }

  .hero {
    padding: 28px 24px;
  }

  .upload-card {
    padding: 24px;
  }

  .filter-card {
    padding: 24px;
  }

  .summary-card {
    padding: 24px;
  }

  .drop-zone {
    grid-template-columns: 1fr;
  }
}