/* ================================================================
   common.css — Sdílené styly pro všechny stránky
   Město Oslavany · Správa systémů
   ================================================================ */

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

:root {
  --c-bg:      #0f1117;
  --c-surface: #181c27;
  --c-surface2:#1e2335;
  --c-border:  #23283a;
  --c-accent:  #c8a84b;
  --c-accent2: #e8c97a;
  --c-text:    #e8e6df;
  --c-muted:   #7a7f96;
  --c-error:   #e05c5c;
  --c-ok:      #6bcf7f;
  --c-info:    #5bbfff;
  --c-warn:    #f4c842;
  --radius:    12px;
}

body {
  min-height: 100vh;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}

/* ── HEADER ── */
header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 68px;
  background: rgba(15,17,23,.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.header-brand { display: flex; align-items: center; gap: 14px; }
.header-emblem {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 1px solid var(--c-accent); border-radius: 50%;
}
.header-emblem svg { width: 20px; height: 20px; fill: var(--c-accent); }
.header-title { font-family: 'Playfair Display', serif; font-size: 1.1rem; }
.header-right { display: flex; align-items: center; gap: 12px; }

.btn-back {
  display: flex; align-items: center; gap: 6px; padding: 6px 14px;
  border: 1px solid var(--c-border); border-radius: 99px;
  background: transparent; color: var(--c-muted);
  font-family: 'DM Sans', sans-serif; font-size: .82rem;
  text-decoration: none; transition: border-color .2s, color .2s;
}
.btn-back:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn-back svg { width: 14px; height: 14px; fill: currentColor; }

/* ── PAGE HEADER ── */
.main { margin: 0 auto; padding: 48px 40px 80px; }
.page-eyebrow {
  font-size: .75rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-accent); margin-bottom: 8px;
}
.page-title { font-family: 'Playfair Display', serif; font-size: 2rem; margin-bottom: 8px; }
.page-sub { color: var(--c-muted); font-size: .9rem; margin-bottom: 36px; }

/* ── ALERT ── */
.alert {
  display: none; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: 8px; margin-bottom: 20px; font-size: .88rem;
}
.alert svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }
.alert-ok    { background: rgba(107,207,127,.1); border: 1px solid rgba(107,207,127,.3); color: var(--c-ok); }
.alert-error { background: rgba(224,92,92,.1);  border: 1px solid rgba(224,92,92,.3);  color: var(--c-error); }
.alert.show { display: flex; animation: fadeIn .3s ease; }

/* ── TLAČÍTKA ── */
.btn {
  padding: 10px 22px; border: none; border-radius: 8px;
  font-family: 'DM Sans', sans-serif; font-size: .9rem; font-weight: 500;
  cursor: pointer; transition: background .2s, transform .1s, opacity .2s; white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--c-accent); color: #0f1117; }
.btn-primary:hover:not(:disabled) { background: var(--c-accent2); }

.btn-refresh {
  display: flex; align-items: center; gap: 5px; padding: 4px 10px;
  border-radius: 99px; border: 1px solid var(--c-border); background: transparent;
  color: var(--c-muted); font-family: 'DM Sans', sans-serif; font-size: .75rem;
  cursor: pointer; transition: border-color .2s, color .2s;
}
.btn-refresh svg { width: 12px; height: 12px; fill: currentColor; }
.btn-refresh.spin svg { animation: spin .7s linear infinite; }

/* ── SPINNERS ── */
.spinner {
  display: none; width: 15px; height: 15px;
  border: 2px solid var(--c-border); border-top-color: var(--c-accent);
  border-radius: 50%; animation: spin .7s linear infinite;
}
.spinner-sm {
  display: inline-block; width: 10px; height: 10px;
  border: 1.5px solid var(--c-border); border-top-color: var(--c-muted);
  border-radius: 50%; animation: spin .7s linear infinite;
}
.spinner-sm.hidden { display: none; }

/* ── DOSTUPNOST KONTROLÉRU (tc-card) ── */
.tc-card {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 16px 28px;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius);
  margin-bottom: 24px;
}
.tc-left { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--c-muted); }
.tc-label { white-space: nowrap; }
.tc-ip { font-family: monospace; font-size: .82rem; color: var(--c-muted); opacity: .6; }
.tc-status { display: flex; align-items: center; gap: 7px; font-size: .88rem; font-weight: 500; }
.tc-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--c-muted); transition: background .3s;
}
.tc-dot.ok  { background: var(--c-ok);    box-shadow: 0 0 0 3px rgba(107,207,127,.2); }
.tc-dot.err { background: var(--c-error); box-shadow: 0 0 0 3px rgba(224,92,92,.2); }
.tc-text.ok      { color: var(--c-ok); }
.tc-text.err     { color: var(--c-error); }
.tc-text.loading { color: var(--c-muted); }

/* ── SECTION KARTA ── */
.section { margin-bottom: 24px; }
.section-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 28px; }
.section-title {
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--c-muted); margin-bottom: 20px;
  padding-bottom: 10px; border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: space-between;
}
.section-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-bar-title { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); }

.divider { border: none; border-top: 1px solid var(--c-border); margin: 4px 0; }
.form-footer { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.muted { color: var(--c-muted); font-size: .82rem; }

/* ── VALIDACE HESLA — pravidla ── */
.pw-rules { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.pw-rule {
  font-size: .72rem; padding: 2px 9px; border-radius: 99px;
  border: 1px solid var(--c-border); color: var(--c-muted);
  transition: border-color .2s, color .2s, background .2s;
}
.pw-rule.ok { border-color: rgba(107,207,127,.4); color: var(--c-ok); background: rgba(107,207,127,.08); }

/* ── KEYFRAMES ── */
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse   { 0%,100% { box-shadow: 0 0 0 6px rgba(107,207,127,.2); } 50% { box-shadow: 0 0 0 10px rgba(107,207,127,.05); } }
@keyframes pulse-warn { 0%,100% { box-shadow: 0 0 0 4px rgba(244,200,66,.2); } 50% { box-shadow: 0 0 0 8px rgba(244,200,66,.05); } }
@keyframes pulse-ok   { 0%,100% { box-shadow: 0 0 0 4px rgba(107,207,127,.2); } 50% { box-shadow: 0 0 0 8px rgba(107,207,127,.05); } }
@keyframes pulse-err  { 0%,100% { box-shadow: 0 0 0 4px rgba(224,92,92,.2); }  50% { box-shadow: 0 0 0 8px rgba(224,92,92,.05); } }
@keyframes shake   { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes dropIn  { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ── RESPONZIVITA ── */
@media (max-width: 640px) {
  header { padding: 0 20px; }
  .header-title { display: none; }
  .main { padding: 32px 20px 60px; }
  .tc-card { flex-direction: column; align-items: flex-start; }
}