/* PromptCord - Стилі */
/* Теплий, структурований дизайн з блоками */

/* ===== ШРИФТИ ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== CSS ЗМІННІ ===== */
:root {
  /* Кольори */
  --color-bg-page: #F5EEE6;
  --color-bg-block: #FFFFFF;
  --color-bg-input: #FAF7F4;
  --color-bg-accent: #FFF8F0;
  --color-bg-dark: #EDE4DA;
  
  --color-accent: #C96D3C;
  --color-accent-hover: #A85A30;
  --color-accent-light: #FADECF;
  
  --color-text: #2D2A26;
  --color-text-secondary: #5C5650;
  --color-text-muted: #8A847C;
  
  --color-border: #E0D6CC;
  --color-border-light: #EDE6DE;
  --color-success: #4A9B5D;
  
  /* Тіні */
  --shadow-card: 0 2px 12px rgba(45, 42, 38, 0.08);
  --shadow-card-hover: 0 4px 20px rgba(45, 42, 38, 0.12);
  --shadow-button: 0 2px 8px rgba(201, 109, 60, 0.3);
  
  /* Типографіка - Inter (схожий на SF Pro) */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  
  /* Розміри */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Контент */
  --max-width: 720px;
}

/* ===== БАЗОВІ СТИЛІ ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg-page);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== НАВІГАЦІЯ ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-block);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.navbar-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* Мобільне меню */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.menu-toggle:hover {
  background: var(--color-bg-dark);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== ГОЛОВНИЙ КОНТЕНТ ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 24px 60px;
}

/* ===== КАРТКИ / БЛОКИ ===== */
.card {
  background: var(--color-bg-block);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
}

.card-accent {
  background: var(--color-bg-accent);
  border: 1px solid var(--color-accent-light);
}

/* ===== ЗАГОЛОВКИ СЕКЦІЙ ===== */
.section-header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-border-light);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* ===== ВСТУП ===== */
.intro-greeting {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 20px;
  text-align: center;
}

.intro-description {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.intro-note {
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: var(--color-text);
  font-size: 0.95rem;
  border-left: 4px solid var(--color-accent);
}

/* ===== ФОРМА ПИТАНЬ ===== */
.questions-header {
  text-align: center;
  margin-bottom: 32px;
}

.questions-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.questions-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Блок питання */
.question-card {
  background: var(--color-bg-block);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.question-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.question-card:focus-within {
  border-color: var(--color-accent);
}

.question-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.question-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 600;
  flex-shrink: 0;
}

.question-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
}

.question-subtitle {
  font-size: 1.05rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 12px;
}

.question-explanation {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
  line-height: 1.7;
  white-space: pre-line;
}

.question-example {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-style: italic;
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--color-bg-input);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-border);
}

/* Поля вводу - ВЕЛИКІ */
.question-input {
  width: 100%;
  min-height: 140px;
  padding: 18px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-input);
  resize: vertical;
  transition: all 0.2s ease;
}

.question-input:hover {
  border-color: var(--color-border);
  background: white;
}

.question-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: white;
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.question-input::placeholder {
  color: var(--color-text-muted);
}

/* ===== ПАРАМЕТРИ ===== */
.parameters-card {
  background: var(--color-bg-dark);
  border-radius: var(--radius-xl);
  padding: 32px;
  margin-bottom: 32px;
}

.parameters-grid {
  display: grid;
  gap: 32px;
}

.parameter-group {
  background: var(--color-bg-block);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.parameter-label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 16px;
}

/* Повзунок креативності */
.slider-container {
  padding: 8px 0;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.slider-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  text-align: center;
  flex: 1;
}

.slider-label:hover {
  color: var(--color-text-secondary);
}

.slider-label.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  font-weight: 600;
}

.slider-track {
  position: relative;
  height: 10px;
  background: var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  margin: 0 8px;
}

.slider-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
  border-radius: 5px;
  transition: width 0.2s ease;
}

.slider-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(201, 109, 60, 0.4);
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.slider-thumb:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 4px 12px rgba(201, 109, 60, 0.5);
}

.slider-thumb:active {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.15);
}

/* Випадаючий список */
.select-wrapper {
  position: relative;
}

.parameter-select {
  width: 100%;
  padding: 16px 48px 16px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  background: white;
  cursor: pointer;
  appearance: none;
  transition: all 0.2s ease;
}

.parameter-select:hover {
  border-color: var(--color-accent-light);
}

.parameter-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.select-arrow {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ===== КНОПКИ ===== */
.actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 48px 0;
}

.btn {
  padding: 18px 40px;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-button);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 109, 60, 0.4);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: var(--color-border);
  color: var(--color-text-muted);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: white;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.btn-success {
  background: var(--color-success) !important;
  box-shadow: 0 2px 8px rgba(74, 155, 93, 0.3) !important;
}

/* ===== МОДАЛЬНЕ ВІКНО ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(45, 42, 38, 0.7);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 24px;
  backdrop-filter: blur(8px);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--color-bg-block);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(45, 42, 38, 0.3);
  animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.modal-close {
  background: var(--color-bg-input);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.modal-body {
  padding: 24px 28px;
  overflow-y: auto;
  flex: 1;
}

.result-text {
  background: var(--color-bg-input);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.modal-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: center;
}

/* ===== СЕКЦІЯ АГЕНТА ===== */
.agent-section {
  margin-top: 48px;
}

.agent-card {
  background: var(--color-bg-block);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
}

.agent-instruction {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
  white-space: pre-line;
}

.system-prompt-container {
  background: var(--color-bg-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.system-prompt-label {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 16px;
  display: block;
}

.system-prompt-text {
  background: var(--color-bg-block);
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow-y: auto;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.system-prompt-container .btn {
  width: 100%;
}

/* ===== КОНТАКТИ ===== */
.contacts-section {
  margin-top: 48px;
}

.contacts-card {
  background: var(--color-bg-block);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
}

.contacts-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.contacts-text {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.contacts-email {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 12px 24px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.contacts-email:hover {
  background: var(--color-accent);
  color: white;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-border);
  margin-top: 48px;
}

/* ===== РОЗДІЛЬНИКИ ===== */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 32px 0;
}

/* ===== МОБІЛЬНА ВЕРСІЯ ===== */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .navbar-container {
    padding: 14px 20px;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-block);
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links a {
    display: block;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }
  
  .menu-toggle {
    display: block;
  }
  
  main {
    padding: 80px 16px 40px;
  }
  
  .card,
  .question-card,
  .agent-card,
  .contacts-card {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
  }
  
  .parameters-card {
    padding: 20px;
  }
  
  .parameter-group {
    padding: 20px;
  }
  
  .actions {
    flex-direction: column;
    gap: 12px;
    margin: 32px 0;
  }
  
  .btn {
    width: 100%;
    padding: 16px 32px;
  }
  
  .slider-label {
    font-size: 0.8rem;
    padding: 8px 10px;
  }
  
  .question-input {
    min-height: 120px;
    padding: 16px;
  }
  
  .modal {
    max-height: 90vh;
    margin: 16px;
    border-radius: var(--radius-lg);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 20px;
  }
}

/* ===== АНІМАЦІЇ ===== */
@media (prefers-reduced-motion: no-preference) {
  .question-card,
  .card,
  .btn {
    transition: all 0.2s ease;
  }
}