/* ── Základní reset a proměnné ─────────────────────────────── */

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

:root {
  --blue: #1A4B8C;
  --blue-mid: #2560AE;
  --blue-light: #E8EFF8;
  --blue-lighter: #F2F6FC;
  --red: #C8102E;
  --red-light: #FAEAEC;
  --green: #2E7D45;
  --green-light: #E8F5EC;
  --orange: #E8920A;
  --orange-light: #FEF3E2;
  --bg: #F5F7FA;
  --text: #1A2533;
  --text-mid: #3A4A5A;
  --text-light: #6B7A8D;
  --text-muted: #9BA8B5;
  --border: #E8EFF8;
  --border-mid: #B0BEC5;
  --white: #ffffff;
}

body {
  font-family: Arial, sans-serif;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  color: var(--text);
}

.app {
  max-width: 500px;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* ── Topbar ────────────────────────────────────────────────── */

.topbar {
  background: var(--blue);
  padding: 14px 16px 10px;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-logo { font-size: 18px; font-weight: 600; }
.topbar-sub { font-size: 12px; color: rgba(255,255,255,0.75); margin-top: 2px; }
.topbar-avatar {
  margin-left: auto;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
}
.back-btn {
  font-size: 20px;
  cursor: pointer;
  color: var(--white);
  text-decoration: none;
  background: none;
  border: none;
}
.topbar-title { font-size: 16px; font-weight: 600; color: var(--white); }

/* ── Navigační záložky ─────────────────────────────────────── */

.nav-tabs {
  display: flex;
  background: var(--white);
  border-bottom: 2px solid var(--border);
}
.nav-tab {
  flex: 1;
  padding: 10px 4px 9px;
  font-size: 11px;
  text-align: center;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-family: Arial, sans-serif;
  background: none;
  border-top: none; border-left: none; border-right: none;
}
.nav-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }
.nav-tab-icon { font-size: 18px; }

/* ── User menu ─────────────────────────────────────────────── */

.user-menu {
  position: absolute;
  top: 52px;
  right: 12px;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  min-width: 180px;
  z-index: 200;
  overflow: hidden;
}
.user-menu-name {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.user-menu-item {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-mid);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: Arial, sans-serif;
}
.user-menu-item:hover { background: var(--bg); }
.user-menu-item.logout { color: var(--red); }

/* ── Login obrazovka ───────────────────────────────────────── */

.login-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
}
.login-icon {
  width: 70px; height: 70px;
  background: var(--blue-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  margin-bottom: 16px;
  color: var(--blue);
}
.login-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.login-form {
  width: 100%;
  max-width: 300px;
}
.login-field {
  margin-bottom: 14px;
  text-align: left;
}
.login-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  display: block;
}
.login-select, .login-input {
  width: 100%;
  padding: 11px 12px;
  border: 1.5px solid var(--border-mid);
  border-radius: 10px;
  font-size: 14px;
  font-family: Arial, sans-serif;
  background: var(--white);
  color: var(--text);
  appearance: none;
  -webkit-appearance: none;
}
.login-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239BA8B5' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.login-select:focus, .login-input:focus {
  outline: none;
  border-color: var(--blue-mid);
}
.login-btn {
  width: 100%;
  padding: 13px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: Arial, sans-serif;
  margin-top: 6px;
}
.login-btn:active { transform: scale(0.98); }
.login-btn:disabled { background: var(--text-muted); cursor: not-allowed; }

.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 10px;
  min-height: 20px;
}

/* ── Obecné utility ────────────────────────────────────────── */

.content { flex: 1; padding: 10px 10px 80px; }

.filter-bar {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.filter-chip {
  flex: 1;
  padding: 6px 4px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid var(--border-mid);
  background: var(--white);
  color: var(--text-mid);
  cursor: pointer;
  text-align: center;
  font-family: Arial, sans-serif;
  font-weight: 600;
}
.filter-chip.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 8px 2px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  font-size: 11px;
  background: var(--blue);
  color: var(--white);
  border-radius: 10px;
  padding: 1px 8px;
  font-weight: 400;
}

/* ── Příspěvky (entry) ──────────────────────────────────────── */

.entry {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 6px;
  overflow: hidden;
  cursor: pointer;
}
.entry.closed-entry { opacity: 0.5; }

.entry-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
}

.type-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  min-width: 8px;
}
.dot-problem { background: var(--red); }
.dot-warn { background: var(--orange); }
.dot-info { background: var(--blue-mid); }
.dot-closed { background: var(--green); }

.entry-avatar {
  width: 28px; height: 28px; min-width: 28px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 500;
  color: var(--blue);
}

.entry-main { flex: 1; min-width: 0; }
.entry-top {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 2px;
}
.entry-author { font-size: 12px; font-weight: 700; color: var(--text); white-space: nowrap; }
.entry-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.entry-text {
  font-size: 13px;
  color: var(--text-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.entry-text.closed-text { text-decoration: line-through; color: var(--text-muted); }

.entry-chevron {
  font-size: 11px;
  color: #C0CDD8;
  transition: transform 0.2s;
}
.entry-chevron.open { transform: rotate(180deg); }

.entry-detail {
  display: none;
  padding: 0 12px 10px 12px;
  border-top: 1px solid var(--border);
}
.entry-detail.visible { display: block; }

.detail-location {
  font-size: 12px;
  color: var(--text-muted);
  margin: 8px 0 6px;
}
.detail-body {
  font-size: 13px;
  color: #2C3A4A;
  line-height: 1.55;
  margin-bottom: 8px;
}

.comment-block {
  padding: 7px 10px;
  background: var(--blue-lighter);
  border-radius: 8px;
  font-size: 12px;
  color: #4A5568;
  border-left: 2px solid var(--blue-mid);
  margin-bottom: 6px;
}
.comment-author { font-size: 11px; font-weight: 500; color: var(--blue); margin-bottom: 1px; }

.detail-actions { display: flex; gap: 7px; margin-top: 8px; }
.btn-sm {
  font-size: 12px; padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid #D0DAE8;
  background: var(--white);
  color: var(--text-light);
  cursor: pointer;
  font-family: Arial, sans-serif;
  display: flex; align-items: center; gap: 4px;
}
.btn-sm.success { color: var(--green); border-color: #7DBF90; background: var(--green-light); }

.comment-input-row { display: flex; gap: 7px; margin-top: 8px; }
.comment-input {
  flex: 1;
  border: 1px solid #D0DAE8;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  font-family: Arial, sans-serif;
  background: var(--white);
  color: #2C3A4A;
}
.comment-input:focus { outline: none; border-color: var(--blue-mid); }
.comment-send {
  padding: 6px 12px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
}

.fab {
  position: fixed;
  bottom: 24px;
  right: 16px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-size: 26px;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 10px rgba(200,16,46,0.35);
  z-index: 100;
  text-decoration: none;
}

@media (min-width: 500px) {
  .fab { right: calc(50% - 250px + 16px); }
}

/* ── Nový příspěvek (formulář) ─────────────────────────────── */

.field { margin-bottom: 14px; }
.label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.req { color: var(--red); }

.type-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 7px; }
.type-btn {
  padding: 10px 4px;
  border-radius: 10px;
  border: 1.5px solid var(--border-mid);
  background: var(--white);
  cursor: pointer;
  text-align: center;
  font-size: 12px;
  color: var(--text-mid);
  font-family: Arial, sans-serif;
  font-weight: 600;
}
.type-btn .ico { font-size: 19px; display: block; margin-bottom: 3px; }
.type-btn.sel-problem { background: var(--red-light); color: var(--red); border-color: var(--red); }
.type-btn.sel-warn    { background: var(--orange-light); color: #7A4E00; border-color: var(--orange); }
.type-btn.sel-info    { background: var(--blue-light); color: var(--blue); border-color: var(--blue); }

.oblast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.oblast-btn {
  padding: 11px 4px;
  border-radius: 10px;
  border: 1.5px solid var(--border-mid);
  background: var(--white);
  cursor: pointer;
  text-align: center;
  font-size: 13px;
  color: var(--text-mid);
  font-family: Arial, sans-serif;
  font-weight: 600;
}
.oblast-btn.sel { background: var(--blue-light); color: var(--blue); border-color: var(--blue); }

.form-input, .form-textarea {
  width: 100%;
  border: 1.5px solid var(--border-mid);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 14px;
  font-family: Arial, sans-serif;
  background: var(--white);
  color: #2C3A4A;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--blue-mid); }
.form-textarea { resize: none; }

.notify-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--border-mid);
  border-radius: 10px;
  padding: 11px 12px;
}
.notify-main { font-size: 14px; color: #2C3A4A; font-weight: 600; }
.notify-sub { font-size: 11px; color: var(--text-light); margin-top: 1px; }

.toggle-sw {
  width: 42px; height: 24px;
  background: var(--text-muted);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  border: none;
  transition: background 0.2s;
  min-width: 42px;
}
.toggle-sw.on { background: var(--blue); }
.toggle-sw::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: var(--white);
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: left 0.2s;
}
.toggle-sw.on::after { left: 21px; }

.submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--text-muted);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: Arial, sans-serif;
  transition: background 0.2s;
  margin-top: 10px;
}
.submit-btn.ready { background: var(--blue); }

.success-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  flex: 1;
}
.success-icon {
  width: 62px; height: 62px;
  background: var(--blue-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
  color: var(--blue);
}
.success-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.success-sub { font-size: 14px; color: var(--text-light); line-height: 1.5; }

/* ── Materiál ──────────────────────────────────────────────── */

.sub-tabs {
  display: flex;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.sub-tab {
  flex: 1;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: Arial, sans-serif;
  background: none;
  text-align: center;
}
.sub-tab.active { color: var(--blue); border-bottom-color: var(--blue); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
}

.stock-item {
  padding: 11px 14px;
  border-bottom: 1px solid #F0F4F8;
}
.stock-item:last-child { border-bottom: none; }

.stock-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.stock-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  min-width: 8px;
}
.dot-ok { background: var(--green); }
.dot-warn { background: var(--orange); }
.dot-missing { background: var(--red); }

.stock-name { font-size: 14px; color: var(--text); font-weight: 600; }

.stock-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 5px;
}
.stock-row-label {
  font-size: 11px;
  color: var(--text-light);
  min-width: 62px;
  font-weight: 600;
}
.stock-toggle { display: flex; gap: 5px; }
.tog-btn {
  padding: 4px 9px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  border: 1.5px solid var(--border-mid);
  background: var(--white);
  cursor: pointer;
  color: var(--text-mid);
  font-family: Arial, sans-serif;
  white-space: nowrap;
}
.tog-btn.on-active  { background: var(--green-light); color: var(--green); border-color: var(--green); }
.tog-btn.off-active { background: var(--red-light); color: var(--red); border-color: var(--red); }

.fab-sklad {
  width: auto;
  border-radius: 25px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: Arial, sans-serif;
  right: 50%;
  transform: translateX(50%);
  background: var(--blue);
}
.fab-sklad:disabled { background: var(--text-muted); box-shadow: 0 2px 10px rgba(0,0,0,0.15); cursor: default; opacity: 1; }
.fab-sklad.fab-sent { background: var(--green); }

.alert-box {
  background: var(--orange-light);
  border: 1px solid var(--orange);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: #7A4E00;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sklad-info {
  font-size: 12px;
  color: var(--text-light);
  margin: 0 2px 10px;
  line-height: 1.4;
}

/* ── Placeholder pro budoucí obrazovky ─────────────────────── */

.placeholder-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
}
.placeholder-screen .icon { font-size: 48px; margin-bottom: 12px; }
.placeholder-screen .title { font-size: 16px; font-weight: 600; color: var(--text-mid); }
.placeholder-screen .desc { font-size: 13px; margin-top: 6px; }