/* Gradex Admin — vzhled dle design tokens (Filament-like: levé menu, sekce, per-web přepínač) */
:root {
  --primary: #0D4671; --teal: #3C828D; --accent: #76CCB1;
  --ink: #1F1F1F; --gray: #474747; --gray-l: #B3B3B3; --surface: #EEEFF2; --white: #fff;
  --grad: linear-gradient(100deg, #0D4671 0%, #3C828D 55%, #76CCB1 100%);
  --radius: 12px;
  --shadow: 0 1px 2px rgba(13,70,113,.05), 0 8px 28px rgba(13,70,113,.07);
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.55 system-ui, -apple-system, 'Segoe UI', sans-serif; background: var(--surface); color: var(--ink); }
a { color: var(--primary); }
code { background: rgba(13,70,113,.07); padding: .1em .4em; border-radius: 5px; font-size: .9em; }

.app { display: grid; grid-template-columns: 230px 1fr; min-height: 100vh; }
.sidebar { background: var(--ink); color: var(--surface); display: flex; flex-direction: column; padding: 1.2rem .9rem; position: sticky; top: 0; height: 100vh; }
.sidebar-logo { font-weight: 800; letter-spacing: -.02em; font-size: 1.05rem; margin: 0 .4rem 1.2rem; }
.sidebar-logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sidebar nav { display: grid; gap: 2px; }
.sidebar nav a { color: var(--surface); text-decoration: none; padding: .55rem .8rem; border-radius: 8px; opacity: .85; font-weight: 500; }
.sidebar nav a:hover { background: rgba(255,255,255,.08); opacity: 1; }
.sidebar nav a.active { background: var(--grad); opacity: 1; font-weight: 650; }
.sidebar .logout { margin-top: auto; font-size: .85rem; color: var(--gray-l); text-decoration: none; padding: .5rem .8rem; }
.sidebar .logout:hover { color: var(--accent); }

.main { display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 1rem; background: var(--white); border-bottom: 1px solid rgba(31,31,31,.09); padding: .8rem 1.4rem; position: sticky; top: 0; z-index: 5; }
.topbar h1 { font-size: 1.15rem; margin: 0; font-weight: 650; }
.site-switch select { font: inherit; font-weight: 650; padding: .45em .8em; border-radius: 999px; border: 1.5px solid var(--primary); color: var(--primary); background: var(--white); }

.content { padding: 1.4rem; max-width: 1100px; }
.flash { background: rgba(118,204,177,.2); border: 1px solid var(--accent); color: var(--primary); padding: .7em 1em; border-radius: var(--radius); font-weight: 550; }

.panel { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.2rem 1.4rem; margin-block: 1rem; }
.panel h2 { font-size: 1rem; margin: .2rem 0 .8rem; }
.hint { color: var(--gray); font-size: .85rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .8rem; }
.cards .card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem 1.2rem; display: grid; }
.cards .card strong { font-size: 1.4rem; color: var(--primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cards .card span { color: var(--gray); font-size: .85rem; }

label { display: grid; gap: .3em; margin-block: .6rem; font-weight: 550; font-size: .9rem; }
input, select, textarea { font: inherit; padding: .55em .8em; border: 1.5px solid rgba(31,31,31,.18); border-radius: 8px; background: var(--white); width: 100%; }
input:focus, select:focus { outline: none; border-color: var(--primary); }
.check { display: flex; align-items: center; gap: .5em; }
.check input { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
fieldset { border: 1px solid rgba(31,31,31,.12); border-radius: var(--radius); margin-block: .8rem; padding: .6rem 1rem 1rem; }
legend { font-weight: 650; color: var(--teal); padding-inline: .4em; }

.btn { display: inline-block; background: var(--grad); color: var(--white); border: 0; font: inherit; font-weight: 650; padding: .6em 1.4em; border-radius: 999px; cursor: pointer; text-decoration: none; margin-top: .4rem; }
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: var(--white); color: var(--primary); border: 1.5px solid var(--primary); }
.mini { font-size: .8rem; border: 0; background: none; color: var(--primary); cursor: pointer; text-decoration: underline; padding: 0; font-weight: 550; }
.mini.danger { color: #a33; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--gray); padding: .5em .6em; border-bottom: 2px solid var(--surface); }
td { padding: .55em .6em; border-bottom: 1px solid var(--surface); vertical-align: top; }
td input { padding: .35em .6em; }
.clip { max-width: 26rem; }

.lang-tabs { display: flex; gap: .3rem; }
.lang-tabs a { text-decoration: none; font-weight: 650; font-size: .85rem; padding: .35em .8em; border-radius: 999px; border: 1.5px solid rgba(31,31,31,.15); color: var(--gray); }
.lang-tabs a.active { border-color: var(--primary); color: var(--primary); background: var(--white); }

.auth-card { max-width: 380px; margin: 12vh auto; background: var(--white); border-radius: 16px; box-shadow: var(--shadow); padding: 2rem; }
.auth-logo { font-weight: 800; font-size: 1.3rem; margin-bottom: 1rem; }
.auth-logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar nav { display: flex; flex-wrap: wrap; }
  .grid2 { grid-template-columns: 1fr; }
}