:root {
  --bg-start: #e8f1f7;
  --bg-end: #e9f6ef;
  --card-bg: rgba(255, 255, 255, 0.9);
  --text-main: #12261b;
  --text-soft: #5f7267;
  --accent: #1f9d62;
  --accent-dark: #16784a;
  --accent-light: #dff7ea;
  --border: rgba(26, 63, 45, 0.12);
  --shadow: 0 26px 70px rgba(20, 65, 45, 0.14);
  --danger-bg: #fff1f0;
  --danger-text: #b33a2b;
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text-main);
  background:
    linear-gradient(135deg, rgba(232, 241, 247, 0.95), rgba(233, 246, 239, 0.95)),
    url("https://images.unsplash.com/photo-1611224923853-80b023f02d71?auto=format&fit=crop&w=1800&q=80") center / cover no-repeat fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(48, 108, 191, 0.22), transparent 34%),
    radial-gradient(circle at 86% 78%, rgba(31, 157, 98, 0.22), transparent 32%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.64), rgba(255, 255, 255, 0.4));
}

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

.app-card {
  width: min(100%, 1200px);
  padding: 24px;
  border-radius: 24px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  line-height: 1.08;
}

.subtitle {
  margin: 10px 0 0;
  max-width: 540px;
  color: var(--text-soft);
  line-height: 1.5;
}

.input-group {
  margin-bottom: 14px;
}

.input-group label {
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 700;
}

textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  font: inherit;
  color: var(--text-main);
  background: rgba(250, 253, 251, 0.98);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: rgba(31, 157, 98, 0.45);
  box-shadow: 0 0 0 5px rgba(31, 157, 98, 0.12);
}

button {
  font: inherit;
  cursor: pointer;
}

.button-group {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.primary-btn,
.secondary-btn,
.savage-btn {
  border: none;
  border-radius: 12px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.primary-btn {
  min-width: 176px;
  padding: 12px 18px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), #25b66f);
  box-shadow: 0 14px 28px rgba(31, 157, 98, 0.24);
}

.secondary-btn {
  width: 42px;
  height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: 1.05rem;
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.24);
}

.savage-btn {
  min-width: 170px;
  padding: 12px 16px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #111827, #7c2d12);
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.24);
}

.icon-btn {
  font-weight: 800;
}

.primary-btn:hover:not(:disabled),
.savage-btn:hover:not(:disabled),
.secondary-btn:hover:not(:disabled),
.copy-btn:hover:not(:disabled),
.share-btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.primary-btn:hover:not(:disabled) {
  box-shadow: 0 18px 32px rgba(31, 157, 98, 0.3);
}

.savage-btn:hover:not(:disabled) {
  box-shadow: 0 18px 32px rgba(17, 24, 39, 0.3);
}

.primary-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.savage-btn:disabled,
.secondary-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.status-message,
.error-message {
  min-height: 24px;
  margin-top: 10px;
  font-weight: 600;
}

.status-message {
  color: var(--accent-dark);
}

.error-message {
  display: none;
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--danger-text);
  background: var(--danger-bg);
}

.replies-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.reply-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(241, 251, 245, 0.9));
}

.reply-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 8px;
  margin-bottom: 10px;
}

.reply-header h2 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
  line-height: 1.25;
}

.reply-actions {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 6px;
  align-items: center;
  max-width: none;
}

.feedback-btn {
  width: 34px;
  height: 34px;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.feedback-btn:hover {
  border-color: var(--accent);
  background: rgba(31, 157, 98, 0.08);
  transform: scale(1.1);
}

.feedback-btn.liked {
  background: rgba(34, 197, 94, 0.2);
  border-color: #22c55e;
}

.feedback-btn.disliked {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
}

.copy-btn {
  width: 34px;
  height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-dark);
  background: var(--accent-light);
  border: 1px solid rgba(31, 157, 98, 0.18);
  border-radius: 9px;
}

.copy-btn:hover:not(:disabled) {
  background: #cef2dd;
}

.share-btn {
  width: 34px;
  height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
  background: linear-gradient(135deg, #1877f2, #25d366);
  border: 1px solid rgba(24, 119, 242, 0.28);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.share-btn:hover:not(:disabled) {
  filter: brightness(1.05);
  border-color: rgba(24, 119, 242, 0.4);
}

.reply-text {
  margin: 0;
  min-height: 76px;
  line-height: 1.55;
  color: #203428;
  white-space: pre-wrap;
}

@media (max-width: 900px) {
  .replies-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 16px;
  }

  .app-card {
    padding: 18px;
    border-radius: 20px;
  }

  .reply-actions {
    max-width: none;
    justify-content: flex-end;
  }

  .primary-btn,
  .savage-btn,
  .secondary-btn {
    width: auto;
  }

  .reply-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}