/* === CSS Variables (dark default) === */
:root {
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 18px;
  --primary: #3AA7E2;
  --primary-hover: #6EC1FF;
  --primary-weak: rgba(58,167,226,.16);
  --bg: #0B1320;
  --panel: #141F33;
  --panel-2: #1A2841;
  --text: #DCE4F0;
  --text-2: #B7C3D8;
  --muted: #7A8CAA;
  --line: rgba(255,255,255,.06);
  --line-2: rgba(255,255,255,.10);
  --shadow: 0 8px 20px rgba(0,0,0,.22);
  --sidebar: #0A1220;
  --sidebar-2: #0D1830;
  --sidebar-text: rgba(255,255,255,.92);
  --sidebar-muted: rgba(255,255,255,.65);
  --sidebar-pill: rgba(255,255,255,.06);
  --sidebar-pill-border: rgba(255,255,255,.14);
  --input-bg: rgba(255,255,255,.06);
  --input-border: rgba(255,255,255,.12);
  --focus-ring: rgba(58,167,226,.35);
}

/* === Light theme === */
html[data-theme="light"] {
  --bg: #F0F4FA;
  --panel: #FFFFFF;
  --panel-2: #F4F7FB;
  --text: #0D1825;
  --text-2: #3A4A60;
  --muted: #7A8CAA;
  --line: rgba(0,0,0,.08);
  --line-2: rgba(0,0,0,.12);
  --shadow: 0 8px 20px rgba(0,0,0,.08);
  --input-bg: rgba(0,0,0,.04);
  --input-border: rgba(0,0,0,.12);
  --sidebar: #FFFFFF;
  --sidebar-2: #F4F7FB;
  --sidebar-text: rgba(11,19,32,.88);
  --sidebar-muted: rgba(11,19,32,.55);
  --sidebar-pill: rgba(58,167,226,.10);
  --sidebar-pill-border: rgba(11,19,32,.10);
}

/* === Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  height: 100%;
}
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }

/* === App layout === */
.t-app {
  display: grid;
  grid-template-columns: 64px 1fr;
  min-height: 100vh;
}

/* === Sidebar — narrow icons-only === */
.sidebar {
  background: linear-gradient(180deg, var(--sidebar) 0%, var(--sidebar-2) 100%);
  color: var(--sidebar-text);
  padding: 12px 8px;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--sidebar-pill-border);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0 12px;
  width: 100%;
}
.brand-badge {
  width: 36px; height: 36px;
  border-radius: 12px;
  background: var(--sidebar-pill);
  border: 1px solid var(--sidebar-pill-border);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
  color: var(--sidebar-text);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0;
  width: 100%;
  flex: 1;
}
.nav-main, .nav-system {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-system { margin-top: auto; }
.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: 12px;
  color: var(--sidebar-text);
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  background: none;
  transition: background .12s ease, border-color .12s ease;
  width: 100%;
}
.nav-item:hover {
  background: var(--sidebar-pill);
  border-color: var(--sidebar-pill-border);
}
.nav-item.active {
  background: rgba(58,167,226,.18);
  border-color: rgba(58,167,226,.30);
}
.nav-ico {
  width: 24px; height: 24px;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  opacity: .85;
}
.nav-item.active .nav-ico,
.nav-item:hover .nav-ico { opacity: 1; }

/* === Main === */
.t-main {
  padding: 22px 22px 40px;
  min-width: 0;
}

/* === 50/50 Hero (from system/page.css) === */
.t-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.t-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  padding: 16px 18px;
}
.t-title {
  font-size: 30px;
  line-height: 1.05;
  font-weight: 700;
  color: var(--text);
}
.t-section {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 20px 18px;
}
.t-stub {
  color: var(--muted);
  font-size: 14px;
  padding: 24px 0;
  text-align: center;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-ghost {
  background: transparent;
  color: var(--sidebar-text);
  border: 1px solid rgba(255,255,255,.12);
}
.btn-ghost:hover { background: rgba(255,255,255,.06); }

/* === Login form === */
.t-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}
.t-login-card {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.t-login-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}
.t-login-title { font-size: 16px; font-weight: 700; }
.t-login-sub   { font-size: 13px; color: var(--muted); margin-top: 2px; }
.t-form-row    { display: flex; flex-direction: column; gap: 6px; }
.t-label       { font-size: 13px; font-weight: 600; color: var(--text-2); }
.t-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  width: 100%;
}
.t-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.t-error { color: #f87171; font-size: 13px; display: none; }
.t-error.visible { display: block; }

.hidden { display: none !important; }

/* =============================================
   MOBILE
   ============================================= */
/* Backdrop за drawer */

/* Mobile nav panel — полупрозрачная панель над FAB */
.t-mobile-nav {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 85px;
  background: rgba(10, 18, 32, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sidebar-pill-border);
  border-radius: 22px;
  padding: 8px;
  z-index: 300;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: max-height .28s ease, opacity .2s ease, transform .28s ease;
}
html[data-theme="light"] .t-mobile-nav {
  background: rgba(255,255,255,.75);
}
.t-mobile-nav.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  overflow-y: auto;
}

/* Блоки внутри панели */
.mnav-block {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 6px;
  background: rgba(255,255,255,.06);
}
.mnav-block:last-child { margin-bottom: 0; }
html[data-theme="light"] .mnav-block { background: rgba(0,0,0,.04); }

.mnav-block--system {
  display: flex;
  gap: 4px;
  background: none;
}

.mnav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 12px;
  background: none;
  border: none;
  border-radius: 0;
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s;
  text-align: left;
}
.mnav-item:hover { background: rgba(255,255,255,.08); }
.mnav-item.active { color: var(--primary); }
html[data-theme="light"] .mnav-item:hover { background: rgba(0,0,0,.06); }

.mnav-item--icon {
  flex: 1;
  justify-content: center;
  padding: 11px 8px;
  border-radius: 14px;
  background: rgba(255,255,255,.06);
}
html[data-theme="light"] .mnav-item--icon { background: rgba(0,0,0,.04); }

.mnav-ico {
  width: 20px; height: 20px;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  opacity: .9;
}
.mnav-label { flex: 1; }

/* FAB-бар: кружок + сосиска — position:fixed, поверх контента при любом скролле */
.t-mobile-bar {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 200;
}

.t-fab {
  width: 53px;
  height: 53px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(58,167,226,.45);
  transition: background .15s ease, transform .15s ease;
  flex-shrink: 0;
}
.t-fab:hover { background: var(--primary-hover); }
.t-fab.is-open { transform: rotate(90deg); }
.t-fab--right {
  order: 3;
  margin-left: auto;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-2);
  box-shadow: 0 4px 16px rgba(0,0,0,.22);
}
.t-fab--right:hover { background: var(--panel-2); }

/* === Case strip (same mechanics as nav strip) === */
.t-case-strip {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 85px;
  background: rgba(10, 18, 32, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sidebar-pill-border);
  border-radius: 22px;
  padding: 14px 12px 12px;
  z-index: 300;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: max-height .28s ease, opacity .2s ease, transform .28s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
html[data-theme="light"] .t-case-strip {
  background: rgba(255,255,255,.82);
}
.t-case-strip.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  overflow-y: auto;
}
.t-case-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--sidebar-text);
}
.t-case-textarea {
  width: 100%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--sidebar-text);
  font-family: var(--font);
  resize: none;
  outline: none;
  transition: border-color .15s;
}
html[data-theme="light"] .t-case-textarea {
  background: rgba(0,0,0,.05);
  border-color: rgba(0,0,0,.12);
}
.t-case-textarea:focus { border-color: var(--primary); }
.t-case-actions {
  display: flex;
  gap: 8px;
}

.t-sausage {
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 24px;
  padding: 4px 4px 4px 8px;
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0,0,0,.28);
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 48px;
  overflow: hidden;
}

/* === Unified page header === */
.t-page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 0 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}
.t-page-header__line1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.t-page-header__line2 {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.2;
}

/* === Card content === */
.t-card-content {
  padding: 20px 0 32px;
}
.t-card-counter {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: .04em;
}
.t-card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px;
  line-height: 1.3;
}
.t-card-field {
  margin-bottom: 16px;
}
.t-card-field-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}
.t-card-field-value {
  font-size: 15px;
  color: var(--text);
  line-height: 1.55;
  white-space: pre-wrap;
}

/* === Sausage nav === */
.t-sausage-label {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 4px;
  cursor: default;
  text-align: center;
}
.t-snav-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  border-radius: 18px;
  line-height: 1;
  transition: background .12s;
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.t-snav-btn:hover { background: var(--line-2); }

/* === Collection picker overlay === */
.t-col-picker {
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 -8px 24px rgba(0,0,0,.3);
  z-index: 400;
}
.t-col-picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  min-height: 44px;
  transition: background .12s;
}
.t-col-picker-item:hover,
.t-col-picker-item.is-active { background: var(--primary-weak); }
.t-col-picker-item.is-active { color: var(--primary); }
.t-col-picker-count {
  font-size: 12px;
  color: var(--muted);
  margin-left: 8px;
}

/* === Loading / error states === */
.t-loading {
  padding: 32px 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
.t-error-block {
  padding: 20px;
  color: #e05c5c;
  font-size: 14px;
}

/* === Collections list === */
.t-collections {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.t-col-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.t-col-item:hover {
  border-color: var(--primary);
  background: var(--panel-2);
}
.t-col-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.t-col-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.t-col-type {
  font-size: 11px;
  color: var(--muted);
  background: var(--panel-2);
  border-radius: 6px;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.t-col-count {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 768px) {
  .t-app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
  .t-main {
    padding: 16px 16px 100px; /* отступ снизу под FAB-бар */
  }
  .t-hero {
    grid-template-columns: 1fr;
  }
}