/* =================================================================== */
/* ===         СТИЛИ ДЛЯ ПУБЛИЧНОЙ СТРАНИЦЫ ДОКУМЕНТОВ           === */
/* =================================================================== */


/* === 1. Глобальные переменные (CSS Variables) === */
:root {
  --color-primary: #007bff;
  --color-primary-dark: #0056b3;
  --color-text-base: #212529;
  --color-text-muted: #6c757d;
  --color-bg-body: #f8f9fa;
  --color-bg-card: #ffffff;
  --color-border: #e9ecef;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --border-radius: 8px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
  --transition-main: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}


/* === 2. Базовая типография и сброс стилей === */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-body);
  color: var(--color-text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-main);
}
a:hover {
  color: var(--color-primary-dark);
}


/* === 3. Макет и структура страницы === */
.main-content {
  padding: 2.5rem 0;
  min-height: calc(100vh - 150px);
}

.page-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-title {
  font-weight: 700;
  font-size: 2.5rem;
  color: #343a40;
}


/* === 4. Блок поиска === */
.documents-controls {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.search-filter {
  width: 100%;
  max-width: 650px;
}

.search-wrapper {
  position: relative;
}

#doc-search {
  width: 100%;
  padding: 15px 20px 15px 50px;
  font-size: 1.05rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none;
  transition: all var(--transition-main);
  background: var(--color-bg-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E") no-repeat 18px center;
  box-shadow: var(--shadow-sm);
}
#doc-search:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.2);
}

.search-clear {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--color-text-muted);
  cursor: pointer;
  display: none;
  padding: 5px;
}


/* === 5. Аккордеоны === */
.accordions-container {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.accordion {
  border-bottom: 1px solid var(--color-border);
}
.accordion:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: 1.25rem 1.75rem;
  background-color: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-main);
}
.accordion-header:hover {
  background-color: rgba(0, 123, 255, 0.03);
}

.accordion-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-base);
}

.accordion-icon {
  font-size: 1rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-main);
}
.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 1.75rem;
  background-color: #fcfcfc;
  border-top: 1px solid var(--color-border);
}


/* === 6. Карточки документов (внутри аккордеонов) === */
.documents-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.document-card {
  display: flex;
  padding: 1.25rem;
  border-radius: var(--border-radius);
  background-color: var(--color-bg-card);
  border: 1px solid #eef2f5;
  transition: all var(--transition-main);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.document-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.07);
  border-color: rgba(0, 123, 255, 0.4);
}

.document-info {
  flex-grow: 1;
}

.document-name {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}
.document-name a:hover {
  text-decoration: underline;
}

.document-name i {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-top: 1px;
}

.document-filesize {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.9em;
  margin-left: 5px;
  white-space: nowrap;
}

.document-description {
  font-size: 0.95rem;
  color: #555;
  padding-left: 2.2rem;
}


/* === 7. Вспомогательные классы (уведомления) === */
.alert.alert-info {
  padding: 4rem 1rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  background-color: transparent;
  border: none;
  box-shadow: none;
}


/* === 8. Адаптивная верстка (Media Queries) === */
@media (max-width: 992px) {
  .documents-list {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2.2rem;
  }
  .accordion-content {
    padding: 1.25rem;
  }
  .documents-list {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .page-section {
    padding: 0 0.75rem;
  }
  .section-title {
    font-size: 1.9rem;
  }
  #doc-search {
    padding: 12px 15px 12px 45px;
    font-size: 1rem;
  }
  .accordion-header {
    padding: 1rem 1.25rem;
  }
  .accordion-title {
    font-size: 1.05rem;
  }
  .documents-list {
    grid-template-columns: 1fr;
  }
}


/* === 9. Темная тема (Dark Mode) === */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #64b5f6;
    --color-primary-dark: #90caf9;
    --color-text-base: #e8eaed;
    --color-text-muted: #9aa0a6;
    --color-bg-body: #121212;
    --color-bg-card: #1e1e1e;
    --color-border: #3c4043;
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.2);
  }

  .section-title { color: #f1f3f4; }
  
  #doc-search {
    background: #2a2a2a url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%239aa0a6' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E") no-repeat 18px center;
    border-color: #444;
    color: var(--color-text-base);
  }
  #doc-search:focus {
    box-shadow: 0 0 0 4px rgba(100, 181, 246, 0.25);
  }

  .accordion-header:hover { background-color: rgba(255, 255, 255, 0.04); }
  .accordion-content { background-color: #1a1a1a; }
  
  .document-card {
    border-color: #383838;
  }
  .document-card:hover {
    border-color: rgba(100, 181, 246, 0.4);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  }
  
  .document-name a { color: var(--color-text-base); }
  .document-description { color: #b0b0b0; }
  .alert.alert-info { color: #999; }
}