/* ============================================================
   repo.linkm.tr — Ana Stil Dosyası
   Siyah & Beyaz Minimal Tasarım
   ============================================================ */

/* Google Fonts: Inter + JetBrains Mono */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Renk Sistemi */
  --black:        #000000;
  --white:        #ffffff;
  --gray-50:      #fafafa;
  --gray-100:     #f5f5f5;
  --gray-200:     #e8e8e8;
  --gray-300:     #d0d0d0;
  --gray-400:     #a0a0a0;
  --gray-500:     #737373;
  --gray-600:     #525252;
  --gray-700:     #3d3d3d;
  --gray-800:     #262626;
  --gray-900:     #171717;

  /* Layout */
  --sidebar-w:    240px;
  --sidebar-w-collapsed: 60px;
  --header-h:     56px;
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    12px;
  --radius-xl:    16px;

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Transition */
  --trans-fast:   0.12s ease;
  --trans-normal: 0.2s ease;
  --trans-slow:   0.35s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadow */
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg:    0 16px 40px rgba(0,0,0,0.15);
  --shadow-xl:    0 24px 64px rgba(0,0,0,0.2);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ── App Shell ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
  transition: margin-left var(--trans-slow);
}

.app-main.sidebar-collapsed { margin-left: var(--sidebar-w-collapsed); }

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--gray-900);
  border-right: 1px solid var(--gray-800);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--trans-slow);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-w-collapsed); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--gray-800);
  min-height: 56px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-logo-icon {
  width: 30px;
  height: 30px;
  background: var(--white);
  color: var(--black);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.sidebar-logo-text {
  color: var(--white);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.5px;
  opacity: 1;
  transition: opacity var(--trans-normal);
}

.sidebar.collapsed .sidebar-logo-text { opacity: 0; }

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--trans-fast), background var(--trans-fast);
  flex-shrink: 0;
}

.sidebar-toggle:hover { color: var(--white); background: var(--gray-800); }

.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

/* ── Sidebar Nav ── */
.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--gray-700); border-radius: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--radius-md);
  color: var(--gray-400);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  transition: color var(--trans-fast), background var(--trans-fast);
  position: relative;
}

.nav-item:hover {
  color: var(--white);
  background: var(--gray-800);
}

.nav-item.active {
  color: var(--white);
  background: var(--gray-700);
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-label {
  opacity: 1;
  transition: opacity var(--trans-normal);
}

.sidebar.collapsed .nav-label { opacity: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--white);
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 6px;
  min-width: 18px;
  text-align: center;
  transition: opacity var(--trans-normal);
}

.sidebar.collapsed .nav-badge { opacity: 0; }

.nav-divider {
  height: 1px;
  background: var(--gray-800);
  margin: 8px 4px;
}

/* ── Sidebar Footer ── */
.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--gray-800);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background var(--trans-fast);
  overflow: hidden;
}

.user-card:hover { background: var(--gray-800); }

.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--white);
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }

.user-name {
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role { color: var(--gray-500); font-size: 11px; }

.user-logout {
  color: var(--gray-500);
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--trans-fast);
}
.user-logout:hover { color: var(--white); }

/* ── Page Header ── */
.page-header {
  padding: 24px 32px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--black);
}

.page-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Content Area ── */
.page-content { padding: 28px 32px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--trans-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn-primary:hover { background: var(--gray-800); }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border-color: var(--gray-300);
}
.btn-secondary:hover { background: var(--gray-100); border-color: var(--gray-400); }

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--gray-100); color: var(--black); }

.btn-danger {
  background: var(--white);
  color: #dc2626;
  border-color: #fecaca;
}
.btn-danger:hover { background: #fef2f2; }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-full { width: 100%; }
.btn-icon { padding: 8px; border-radius: var(--radius-md); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title { font-size: 14px; font-weight: 600; }

.card-body { padding: 20px; }

/* ── Stats Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.stat-card:hover {
  border-color: var(--gray-400);
  box-shadow: var(--shadow-sm);
}

.stat-label { font-size: 12px; font-weight: 500; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 28px; font-weight: 700; letter-spacing: -1px; color: var(--black); }
.stat-change { font-size: 12px; color: var(--gray-500); }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 7px;
}

.label-optional { font-weight: 400; color: var(--gray-400); font-size: 12px; }
.form-link { font-size: 12px; color: var(--gray-500); text-decoration: none; }
.form-link:hover { color: var(--black); }
.form-hint { font-size: 12px; color: var(--gray-400); margin-top: 5px; display: block; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
select,
textarea {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 9px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--black);
  outline: none;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

input::placeholder, textarea::placeholder { color: var(--gray-400); }

textarea { resize: vertical; min-height: 100px; }

.input-wrapper { position: relative; }
.input-wrapper input { padding-right: 40px; }
.input-toggle-pass {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}
.input-toggle-pass:hover { color: var(--black); }

/* ── Alerts ── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  margin-bottom: 18px;
  line-height: 1.5;
}
.alert-error   { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #16a34a; }
.alert-info    { background: var(--gray-50); border: 1px solid var(--gray-200); color: var(--gray-700); }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #d97706; }

/* ── Auth Pages ── */
.auth-page { background: var(--gray-100); }

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

.auth-container.auth-center {
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  padding: 48px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--gray-200);
}

.auth-card.auth-card-wide { max-width: 520px; }

.auth-container.auth-center .auth-card {
  min-height: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  text-decoration: none;
}

.auth-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--black);
  color: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.auth-logo span {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--black);
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 28px;
}

.auth-form { display: flex; flex-direction: column; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--gray-400);
  font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.auth-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--gray-500);
}
.auth-links a { color: var(--black); font-weight: 600; text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  background: var(--white);
  border: none;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  color: var(--gray-500);
  transition: all var(--trans-fast);
}

.auth-tab.active {
  background: var(--black);
  color: var(--white);
  font-weight: 600;
}

.auth-info {
  flex: 1;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.auth-info-content { max-width: 380px; }
.auth-info-content h2 { color: var(--white); font-size: 28px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 16px; }
.auth-info-content p { color: var(--gray-400); font-size: 15px; line-height: 1.7; margin-bottom: 32px; }

.auth-features { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.auth-features li { display: flex; align-items: center; gap: 12px; color: var(--gray-300); font-size: 14px; }
.feat-icon { font-size: 18px; flex-shrink: 0; }

/* ── Dashboard ── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.recent-list { display: flex; flex-direction: column; gap: 0; }

.recent-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  text-decoration: none;
  color: inherit;
  transition: background var(--trans-fast);
}
.recent-item:hover { background: var(--gray-50); }
.recent-item:last-child { border-bottom: none; }

.recent-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

.recent-info { flex: 1; min-width: 0; }
.recent-name { font-size: 13.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.recent-meta { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.recent-size { font-size: 12px; color: var(--gray-400); flex-shrink: 0; }

/* ── File Manager ── */
.file-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-200);
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  flex: 1;
  max-width: 320px;
  transition: border-color var(--trans-fast);
}
.search-box:focus-within { border-color: var(--gray-300); background: var(--white); }
.search-box input { background: none; border: none; outline: none; font-family: var(--font-sans); font-size: 13.5px; flex: 1; }
.search-box svg { color: var(--gray-400); flex-shrink: 0; }

.view-toggle { display: flex; border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; }
.view-toggle button {
  background: none;
  border: none;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  transition: all var(--trans-fast);
}
.view-toggle button.active { background: var(--black); color: var(--white); }
.view-toggle button:hover:not(.active) { background: var(--gray-100); color: var(--black); }

/* ── File Grid ── */
.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  padding: 20px 24px;
}

.file-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.file-card:hover {
  border-color: var(--gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.file-card.selected { border-color: var(--black); box-shadow: 0 0 0 2px var(--black); }

.file-card-icon { font-size: 36px; }
.file-card-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-card-meta { font-size: 11px; color: var(--gray-400); }

.file-card-menu {
  position: absolute;
  top: 8px;
  right: 8px;
  opacity: 0;
  transition: opacity var(--trans-fast);
}
.file-card:hover .file-card-menu { opacity: 1; }

/* ── File List ── */
.file-list { display: flex; flex-direction: column; }

.file-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--trans-fast);
}
.file-list-item:hover { background: var(--gray-50); }

.file-list-icon { font-size: 22px; flex-shrink: 0; width: 32px; text-align: center; }
.file-list-info { flex: 1; min-width: 0; }
.file-list-name { font-size: 13.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-list-meta { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.file-list-size { font-size: 12px; color: var(--gray-500); width: 80px; text-align: right; flex-shrink: 0; }
.file-list-date { font-size: 12px; color: var(--gray-400); width: 120px; text-align: right; flex-shrink: 0; }
.file-list-actions { display: flex; gap: 4px; flex-shrink: 0; }

/* ── Upload Drop Zone ── */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--trans-fast);
  background: var(--white);
}
.upload-zone:hover, .upload-zone.dragging {
  border-color: var(--black);
  background: var(--gray-50);
}
.upload-zone-icon { font-size: 40px; margin-bottom: 12px; }
.upload-zone-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.upload-zone-hint { font-size: 13px; color: var(--gray-400); }

/* ── RepNote Sidebar ── */
.repnote-layout {
  display: flex;
  height: calc(100vh - 0px);
  overflow: hidden;
}

.repnote-sidebar {
  width: 240px;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.repnote-sidebar-header {
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.repnote-sidebar-title { font-size: 13px; font-weight: 600; color: var(--gray-700); }

.repnote-page-tree {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.repnote-page-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--gray-600);
  font-size: 13px;
  text-decoration: none;
  transition: all var(--trans-fast);
  position: relative;
}
.repnote-page-item:hover { background: var(--gray-200); color: var(--black); }
.repnote-page-item.active { background: var(--gray-200); color: var(--black); font-weight: 500; }

.repnote-page-icon { font-size: 14px; flex-shrink: 0; }
.repnote-page-title { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.repnote-page-actions { display: none; gap: 2px; }
.repnote-page-item:hover .repnote-page-actions { display: flex; }

.repnote-children { margin-left: 20px; }

/* ── RepNote Editor ── */
.repnote-editor-area {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.repnote-editor-header {
  padding: 48px 96px 0;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.repnote-page-cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.repnote-page-icon-large {
  font-size: 56px;
  margin-bottom: 12px;
  cursor: pointer;
}

.repnote-page-title-input {
  width: 100%;
  border: none;
  outline: none;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--black);
  font-family: var(--font-sans);
  background: transparent;
  padding: 0;
  margin-bottom: 8px;
  resize: none;
  overflow: hidden;
  line-height: 1.2;
}
.repnote-page-title-input::placeholder { color: var(--gray-300); }

.repnote-editor-body {
  flex: 1;
  padding: 16px 96px 96px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  outline: none;
}

/* ── Blok Stilleri ── */
.rn-block {
  position: relative;
  padding: 2px 0;
  min-height: 30px;
}

.rn-block:hover .block-handle { opacity: 1; }

.block-handle {
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  cursor: grab;
  color: var(--gray-400);
  padding: 4px;
  transition: opacity var(--trans-fast);
  user-select: none;
}

.rn-content {
  outline: none;
  font-size: 15px;
  line-height: 1.7;
  color: var(--black);
  min-height: 1.7em;
  word-break: break-word;
}

.rn-content:empty::before {
  content: attr(data-placeholder);
  color: var(--gray-300);
  pointer-events: none;
}

.rn-heading-1 .rn-content { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; line-height: 1.3; }
.rn-heading-2 .rn-content { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; line-height: 1.35; }
.rn-heading-3 .rn-content { font-size: 18px; font-weight: 600; line-height: 1.4; }

.rn-todo .rn-content { display: flex; align-items: flex-start; gap: 10px; }
.rn-todo-check { width: 16px; height: 16px; border: 1.5px solid var(--gray-400); border-radius: 3px; flex-shrink: 0; margin-top: 4px; cursor: pointer; transition: all var(--trans-fast); }
.rn-todo.checked .rn-todo-check { background: var(--black); border-color: var(--black); }
.rn-todo.checked .rn-content > div { text-decoration: line-through; color: var(--gray-400); }

.rn-bulleted-list { display: flex; gap: 10px; }
.rn-bulleted-list::before { content: '•'; color: var(--gray-500); flex-shrink: 0; margin-top: 2px; }

.rn-numbered-list { display: flex; gap: 10px; }
.rn-list-index { color: var(--gray-500); flex-shrink: 0; min-width: 20px; margin-top: 2px; }

.rn-divider hr { border: none; border-top: 1px solid var(--gray-200); margin: 8px 0; }

.rn-callout {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  gap: 10px;
}

.rn-code {
  background: var(--gray-900);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  overflow-x: auto;
}
.rn-code .rn-content {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-200);
  white-space: pre;
}

.rn-quote {
  border-left: 3px solid var(--black);
  padding-left: 14px;
  color: var(--gray-600);
}

.rn-image img { max-width: 100%; border-radius: var(--radius-md); }

/* ── Block Slash Menu ── */
.slash-menu {
  position: fixed;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  width: 280px;
  max-height: 360px;
  overflow-y: auto;
  display: none;
}

.slash-menu.open { display: block; }

.slash-menu-group-title {
  padding: 8px 12px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.slash-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background var(--trans-fast);
}
.slash-menu-item:hover, .slash-menu-item.selected { background: var(--gray-100); }
.slash-menu-item-icon {
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.slash-menu-item-info .item-title { font-size: 13.5px; font-weight: 500; }
.slash-menu-item-info .item-desc { font-size: 11px; color: var(--gray-400); margin-top: 1px; }

/* ── Tasks ── */
.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 20px 0 20px;
  min-height: 400px;
}

.kanban-col {
  width: 280px;
  flex-shrink: 0;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kanban-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-200);
}

.kanban-col-title { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.kanban-col-count { font-size: 12px; color: var(--gray-400); background: var(--gray-200); border-radius: 10px; padding: 1px 8px; }

.task-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  transition: all var(--trans-fast);
  user-select: none;
}
.task-card:hover {
  border-color: var(--gray-400);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.task-card.dragging { opacity: 0.5; transform: rotate(1deg); box-shadow: var(--shadow-lg); }

.task-title { font-size: 13.5px; font-weight: 500; margin-bottom: 8px; line-height: 1.4; }
.task-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.task-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid;
}
.badge-low    { color: #16a34a; border-color: #bbf7d0; background: #f0fdf4; }
.badge-medium { color: #d97706; border-color: #fde68a; background: #fffbeb; }
.badge-high   { color: #dc2626; border-color: #fecaca; background: #fef2f2; }
.badge-urgent { color: #7c3aed; border-color: #ddd6fe; background: #f5f3ff; }

.task-assignee {
  width: 22px;
  height: 22px;
  background: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  margin-left: auto;
}

/* ── Chat ── */
.chat-layout {
  display: flex;
  height: calc(100vh);
  overflow: hidden;
}

.chat-sidebar {
  width: 260px;
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  background: var(--white);
  flex-shrink: 0;
}

.chat-sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 13px;
  font-weight: 600;
}

.channel-list { flex: 1; overflow-y: auto; padding: 8px; }

.channel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--gray-600);
  font-size: 13.5px;
  text-decoration: none;
  transition: all var(--trans-fast);
}
.channel-item:hover { background: var(--gray-100); color: var(--black); }
.channel-item.active { background: var(--gray-100); color: var(--black); font-weight: 500; }
.channel-hash { color: var(--gray-400); font-size: 15px; }
.channel-unread { margin-left: auto; font-size: 11px; font-weight: 700; background: var(--black); color: var(--white); border-radius: 10px; padding: 1px 6px; }

.chat-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.chat-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.msg-group {
  display: flex;
  gap: 12px;
  padding: 4px 0;
  align-items: flex-start;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  background: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.msg-content-area { flex: 1; min-width: 0; }
.msg-header { display: flex; align-items: baseline; gap: 8px; margin-bottom: 2px; }
.msg-name { font-size: 13px; font-weight: 600; }
.msg-time { font-size: 11px; color: var(--gray-400); }
.msg-text { font-size: 14px; line-height: 1.6; color: var(--black); word-break: break-word; }

.chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--gray-200);
}

.chat-input-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  transition: border-color var(--trans-fast);
}
.chat-input-box:focus-within { border-color: var(--gray-400); background: var(--white); }
.chat-input-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 0;
}
.chat-send-btn {
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity var(--trans-fast);
  flex-shrink: 0;
}
.chat-send-btn:hover { opacity: 0.8; }

/* ── Notifications ── */
.notif-list { display: flex; flex-direction: column; }

.notif-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--trans-fast);
  cursor: pointer;
}
.notif-item:hover { background: var(--gray-50); }
.notif-item.unread { background: var(--gray-50); border-left: 3px solid var(--black); }

.notif-dot {
  width: 8px;
  height: 8px;
  background: var(--black);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.notif-info { flex: 1; min-width: 0; }
.notif-title { font-size: 13.5px; font-weight: 500; }
.notif-body  { font-size: 13px; color: var(--gray-500); margin-top: 2px; }
.notif-time  { font-size: 11px; color: var(--gray-400); margin-top: 4px; }

/* ── Admin ── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.admin-table th {
  text-align: left;
  padding: 10px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--gray-500);
}
.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
}
.admin-table tr:hover td { background: var(--gray-50); }
.admin-table tr:last-child td { border-bottom: none; }

/* ── Status Badges ── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid;
}
.status-active   { color: #16a34a; border-color: #bbf7d0; background: #f0fdf4; }
.status-inactive { color: var(--gray-500); border-color: var(--gray-200); background: var(--gray-50); }
.status-banned   { color: #dc2626; border-color: #fecaca; background: #fef2f2; }
.status-removed  { color: #d97706; border-color: #fde68a; background: #fffbeb; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-normal);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-xl);
  transform: translateY(16px);
  transition: transform var(--trans-normal);
}
.modal-backdrop.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-title { font-size: 17px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  transition: color var(--trans-fast);
}
.modal-close:hover { color: var(--black); }

/* ── Dropdown ── */
.dropdown { position: relative; }

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  min-width: 160px;
  padding: 4px;
  display: none;
}
.dropdown-menu.open { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--black);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--trans-fast);
  border: none;
  background: none;
  font-family: var(--font-sans);
  width: 100%;
  text-align: left;
}
.dropdown-item:hover { background: var(--gray-100); }
.dropdown-item.danger { color: #dc2626; }
.dropdown-item.danger:hover { background: #fef2f2; }
.dropdown-divider { height: 1px; background: var(--gray-200); margin: 4px 0; }

/* ── Tabs ── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  gap: 0;
  margin-bottom: 24px;
}
.tab {
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-sans);
}
.tab.active { color: var(--black); border-bottom-color: var(--black); }
.tab:hover:not(.active) { color: var(--black); }

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 64px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.empty-desc { font-size: 14px; color: var(--gray-400); max-width: 320px; line-height: 1.6; }
.empty-action { margin-top: 20px; }

/* ── Loading / Spinner ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  max-width: 380px;
  animation: slideInRight 0.3s ease;
}
.toast.success { border-left: 3px solid #22c55e; }
.toast.error   { border-left: 3px solid #ef4444; }
.toast.info    { border-left: 3px solid var(--white); }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Utility ── */
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 12.5px; }
.text-muted { color: var(--gray-500); }
.font-semibold { font-weight: 600; }
.text-center { text-align: center; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); width: var(--sidebar-w); }
  .app-main { margin-left: 0; }
  .page-content { padding: 16px; }
  .page-header { padding: 16px; }
  .auth-info { display: none; }
  .auth-card { max-width: 100%; min-height: 100dvh; padding: 32px 24px; border-right: none; border-radius: 0; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .repnote-sidebar { width: 200px; }
  .form-row { grid-template-columns: 1fr; }
  .kanban-board { padding: 16px 0; }
  .chat-sidebar { width: 200px; }
}

@media (max-width: 480px) {
  .chat-sidebar { display: none; }
  .repnote-editor-header,
  .repnote-editor-body { padding-left: 20px; padding-right: 20px; }
}