/* LinkedInify This - Notion-like UI */

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

body {
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: rgb(25, 25, 24);
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  min-height: 100vh;
  padding: 32px 20px;
}

* {
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
}

:root {
  --font-sans: "Inter", sans-serif;
  --text-color: rgb(25, 25, 24);
  --bg-color: #fafafa;
  --border-color: rgba(55, 53, 47, 0.12);
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-32) var(--space-24);
}

/* ========== APP HEADER ========== */
.app-header {
  text-align: center;
  margin-bottom: var(--space-24);
  padding: var(--space-16) var(--space-24);
  margin: calc(-1 * var(--space-32)) calc(-1 * var(--space-24)) var(--space-24);
}

.app-header__title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-color);
  margin: 0;
  padding-bottom: var(--space-16);
}

.app-header__title::after {
  content: "";
  display: block;
  width: 40%;
  height: 1px;
  background: var(--border-color);
  margin: var(--space-16) auto 0;
}

.input-section {
  margin-bottom: 32px;
}

.input-card {
  background: white;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.input-wrapper {
  margin-bottom: 20px;
}

.input-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: rgba(25, 25, 24, 0.6);
  margin-bottom: 8px;
}

textarea {
  width: 100%;
  min-height: 160px;
  padding: 16px;
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
  color: rgb(25, 25, 24);
  background: rgba(55, 53, 47, 0.04);
  border: 0.5px solid rgba(55, 53, 47, 0.16);
  border-radius: 8px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s ease, background 0.2s ease;
}

textarea:focus {
  border-color: #2383e2;
  background: white;
}

textarea::placeholder {
  color: rgba(25, 25, 24, 0.4);
}

.options-row {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
}

.option-group {
  flex: 0 0 auto;
  min-width: 220px;
}

.option-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: rgba(25, 25, 24, 0.5);
  margin-bottom: 6px;
}

select {
  width: 100%;
  padding: 10px 12px;
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  font-size: 15px;
  color: rgb(25, 25, 24);
  background: white;
  border: 0.5px solid rgba(55, 53, 47, 0.16);
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

select:focus {
  border-color: #2383e2;
}

.button-row {
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 50px;
  background: #000000;
  color: white;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.btn-primary:hover:not(:disabled) {
  background: #1a1a1a;
}

.btn-primary:active:not(:disabled) {
  background: #333333;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary svg {
  width: 18px;
  height: 18px;
}

.hint {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(25, 25, 24, 0.6);
}

.loading-state {
  text-align: center;
  padding: 48px 24px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-top: 24px;
}

.spinner-container {
  margin-bottom: 24px;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  border: 3px solid rgba(35, 131, 226, 0.2);
  border-top-color: #2383e2;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-size: 18px;
  font-weight: 500;
}

.error-state {
  text-align: center;
  padding: 32px 24px;
  background: #fef2f2;
  border: 0.5px solid #fecaca;
  border-radius: 12px;
  margin-top: 24px;
}

.error-icon {
  color: #dc2626;
  margin-bottom: 12px;
}

.error-icon svg {
  width: 40px;
  height: 40px;
}

.error-text {
  font-size: 16px;
  color: #991b1b;
  margin-bottom: 16px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 500;
  color: #2383e2;
  background: white;
  border: 0.5px solid #2383e2;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: rgba(35, 131, 226, 0.08);
}

.result-section {
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.analysis-card {
  background: rgba(35, 131, 226, 0.08);
  border: 0.5px solid rgba(35, 131, 226, 0.2);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.analysis-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #2383e2;
  margin-bottom: 12px;
}

.analysis-header svg {
  width: 18px;
  height: 18px;
}

.analysis-content p {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(25, 25, 24, 0.8);
  margin-bottom: 6px;
}

.analysis-content p:last-child {
  margin-bottom: 0;
}

.analysis-content strong {
  color: rgb(25, 25, 24);
}

.rewrites-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.rewrite-card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rewrite-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.rewrite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.rewrite-version {
  font-size: 14px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(55, 53, 47, 0.08);
  color: rgba(25, 25, 24, 0.75);
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(25, 25, 24, 0.6);
  background: transparent;
  border: 0.5px solid rgba(55, 53, 47, 0.16);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background: rgba(55, 53, 47, 0.08);
  color: rgb(25, 25, 24);
}

.copy-btn.copied {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
  color: #16a34a;
}

.copy-btn svg {
  width: 14px;
  height: 14px;
}

.rewrite-text {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
  color: rgb(25, 25, 24);
  padding: 16px;
  background: rgba(55, 53, 47, 0.04);
  border-radius: 8px;
  white-space: pre-wrap;
}

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(25, 25, 24, 0.8);
  background: white;
  border: 0.5px solid rgba(55, 53, 47, 0.16);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(55, 53, 47, 0.08);
  border-color: rgba(55, 53, 47, 0.24);
}

.btn-secondary svg {
  width: 18px;
  height: 18px;
}

.btn-secondary.primary {
  background: #2383e2;
  border-color: #2383e2;
  color: white;
}

.btn-secondary.primary:hover {
  background: #1b6dc1;
  border-color: #1b6dc1;
}

.examples-section {
  margin-top: 48px;
  text-align: center;
}

.examples-title {
  font-size: 14px;
  font-weight: 500;
  color: rgba(25, 25, 24, 0.5);
  margin-bottom: 16px;
}

.examples-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.example-btn {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(25, 25, 24, 0.7);
  background: white;
  border: 0.5px solid rgba(55, 53, 47, 0.12);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.example-btn:hover {
  background: rgba(35, 131, 226, 0.08);
  border-color: rgba(35, 131, 226, 0.3);
  color: #2383e2;
}

@media (max-width: 768px) {
  body {
    padding: 24px 16px;
  }

  .container {
    padding: var(--space-24) var(--space-16);
  }

  .app-header {
    padding: var(--space-12) var(--space-16);
    margin: calc(-1 * var(--space-24)) calc(-1 * var(--space-16)) var(--space-20);
  }

  .app-header__title {
    font-size: 28px;
  }

  .input-card {
    padding: 24px;
  }

  textarea {
    font-size: 16px;
  }

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

  .option-group {
    min-width: 100%;
  }

  .rewrite-card {
    padding: 20px;
  }

  .rewrite-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .rewrite-text {
    font-size: 16px;
    padding: 12px;
  }

  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 32px;
  }

  .examples-grid {
    flex-direction: column;
  }

  .example-btn {
    width: 100%;
  }
}