/* e:\Antigravity\workspace\Cineaho\ai-rss-news\styles.css */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --bg-main: #0b0f19;
  --bg-header: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.3);
  
  --text-main: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --color-primary: #38bdf8;
  --color-success: #10b981;
  --color-error: #ef4444;
  
  --badge-general: #0369a1;
  --badge-coding: #b45309;
  --badge-business: #4d7c0f;
  --badge-research: #7e22ce;
  --badge-policy: #c2410c;
  --badge-security: #be185d;
  --badge-robot: #0e7490;
  --badge-chip: #6d28d9;
  
  --font-family: 'Inter', 'Noto Sans KR', sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 13px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden; /* Each column has separate scrolling */
  display: flex;
  flex-direction: column;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Header & Controls */
.main-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.app-logo {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.search-box-container {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0 10px;
  width: 260px;
  transition: all 0.2s;
}

.search-box-container:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.15);
}

.search-box-container svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

#search-input {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 8px 10px;
  font-size: 13px;
  width: 100%;
  outline: none;
}

.subtext-mute {
  color: var(--text-muted);
  font-size: 11px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.select-filter {
  background-color: #ffffff;
  color: #000000;
  border: 1px solid rgba(0, 0, 0, 0.15);
  padding: 8px 12px;
  border-radius: 6px;
  outline: none;
  font-size: 12px;
  cursor: pointer;
  min-width: 110px;
  font-weight: 500;
}

.select-filter:hover {
  background-color: #f1f5f9;
}

.select-filter option {
  background-color: #ffffff;
  color: #000000;
}

.action-btn-group {
  display: flex;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.action-btn {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: none;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
}

.action-btn:not(:last-child) {
  border-right: 1px solid var(--border-color);
}

.action-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.action-btn.active {
  background-color: var(--color-primary);
  color: #0b0f19;
  font-weight: 600;
}

.rss-btn {
  background-color: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--color-primary);
  border-radius: 6px;
  padding: 8px 14px;
}

.rss-btn:hover {
  background-color: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.35);
  color: #fff;
}

/* Category Filter Bar */
.categories-bar {
  background-color: #0d121f;
  padding: 8px 20px;
  border-bottom: 1px solid var(--border-color);
}

.categories-container {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.categories-container::-webkit-scrollbar {
  height: 4px;
}

.category-btn {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.category-btn:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

.category-btn.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.05);
}

/* 3-Column Content Layout */
.news-columns-container {
  display: flex;
  flex: 1;
  gap: 16px;
  padding: 16px 20px;
  overflow: hidden;
}

.news-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: rgba(17, 24, 39, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  height: 100%;
  overflow: hidden;
}

.column-header {
  padding: 14px 16px;
  background-color: rgba(17, 24, 39, 0.6);
  border-bottom: 1px solid var(--border-color);
}

.column-title {
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.col-count-badge {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 400;
}

.column-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.column-cards-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* News Cards */
.news-card {
  background-color: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 14px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.news-card:hover {
  background-color: #f8fafc;
  border-color: rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.card-source {
  font-size: 11px;
  color: #475569; /* Slate 600 */
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 70%;
}

/* Category Badges */
.category-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.category-badge[data-cat="일반/AI"] { background-color: rgba(56, 189, 248, 0.1); color: var(--badge-general); border: 1px solid rgba(56, 189, 248, 0.2); }
.category-badge[data-cat="코딩·도구/AI"] { background-color: rgba(245, 158, 11, 0.1); color: var(--badge-coding); border: 1px solid rgba(245, 158, 11, 0.2); }
.category-badge[data-cat="비즈니스·투자/AI"] { background-color: rgba(132, 204, 22, 0.1); color: var(--badge-business); border: 1px solid rgba(132, 204, 22, 0.2); }
.category-badge[data-cat="연구·논문/AI"] { background-color: rgba(168, 85, 247, 0.1); color: var(--badge-research); border: 1px solid rgba(168, 85, 247, 0.2); }
.category-badge[data-cat="정책·규제/AI"] { background-color: rgba(249, 115, 22, 0.1); color: var(--badge-policy); border: 1px solid rgba(249, 115, 22, 0.2); }
.category-badge[data-cat="보안·프라이버시/AI"] { background-color: rgba(236, 72, 153, 0.1); color: var(--badge-security); border: 1px solid rgba(236, 72, 153, 0.2); }
.category-badge[data-cat="로봇/AI"] { background-color: rgba(6, 182, 212, 0.1); color: var(--badge-robot); border: 1px solid rgba(6, 182, 212, 0.2); }
.category-badge[data-cat="칩·하드웨어/AI"] { background-color: rgba(139, 92, 246, 0.1); color: var(--badge-chip); border: 1px solid rgba(139, 92, 246, 0.2); }

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: #1e3a8a; /* Dark Blue */
  line-height: 1.4;
  text-decoration: none;
  word-break: keep-all;
}

.card-title:hover {
  color: #2563eb; /* Primary Blue */
  text-decoration: underline;
}

.card-translation {
  font-size: 12px;
  color: #334155; /* Slate 700 */
  font-weight: 500;
  line-height: 1.4;
  border-top: 1px dashed rgba(0, 0, 0, 0.08);
  padding-top: 6px;
  margin-top: 2px;
  word-break: keep-all;
}

.card-date {
  font-size: 10px;
  color: #64748b; /* Slate 500 */
  font-family: 'Inter', sans-serif;
  margin-top: 4px;
}

/* RSS Manager Side Drawer */
.rss-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 420px;
  height: 100%;
  z-index: 2000;
  background: rgba(17, 24, 39, 0.98);
  backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.6);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.rss-drawer.open {
  right: 0;
}

.drawer-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-header h2 {
  font-size: 16px;
  font-weight: 700;
}

.drawer-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

.drawer-close:hover {
  color: #fff;
}

.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Forms layout */
.rss-form h3 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.form-group {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group-row {
  display: flex;
  gap: 12px;
}

.flex-1 {
  flex: 1;
}

.form-group label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input, .form-group select {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 6px;
  outline: none;
  font-size: 12px;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--color-primary);
}

.submit-btn {
  background-color: var(--color-primary);
  color: #0b0f19;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  padding: 12px;
  width: 100%;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 6px;
}

.submit-btn:hover {
  opacity: 0.9;
}

.feed-list-section h3 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.feed-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feed-item {
  background-color: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feed-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
  max-width: 80%;
}

.feed-item-name {
  font-weight: 600;
  font-size: 12px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feed-item-url {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feed-delete-btn {
  background: none;
  border: none;
  color: var(--color-error);
  cursor: pointer;
  padding: 4px;
  font-weight: 600;
}

.feed-delete-btn:hover {
  text-decoration: underline;
}

/* Loading status Overlay */
.status-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 25, 0.85);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

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

.status-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255,255,255,0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinnerRotate 0.8s linear infinite;
}

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

.status-message {
  font-size: 14px;
  color: #fff;
  font-weight: 500;
}

/* Floating Utilities */
.floating-utilities {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.floating-btn {
  background-color: var(--bg-header);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  transition: all 0.2s;
}

.floating-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--color-primary);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.scroll-progress-widget {
  background-color: var(--color-primary);
  color: #0b0f19;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  user-select: none;
}

/* Responsive Rules */
@media (max-width: 1024px) {
  body {
    overflow-y: auto;
    height: auto;
  }

  .main-header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-left, .header-right {
    justify-content: space-between;
  }

  .news-columns-container {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .news-column {
    height: 500px;
    overflow: hidden;
  }
}