/* ==========================================================================
   Rasch Math Platform — boshqaruv paneli uslubi
   ========================================================================== */

:root {
  --navy:       #0f2b46;
  --navy-600:   #1d4e7e;
  --navy-400:   #4b7fb0;
  --navy-050:   #eef3f8;
  --gold:       #c9a227;
  --gold-050:   #fdf6e3;
  --green:      #1f9d55;
  --green-050:  #e9f7ef;
  --red:        #d9534f;
  --red-050:    #fdecec;
  --orange:     #e08e0b;
  --orange-050: #fdf4e3;
  --purple:     #6b4fbb;
  --purple-050: #f0ecfb;

  --bg:      #f4f7fa;
  --surface: #ffffff;
  --border:  #dfe6ee;
  --text:    #14212e;
  --muted:   #64758c;

  --radius:    13px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15,43,70,.06);
  --shadow:    0 2px 8px rgba(15,43,70,.07), 0 14px 30px rgba(15,43,70,.05);
  --sidebar-w: 244px;
}

* { box-sizing: border-box; }

/* `hidden` atributi mualliflik `display` qoidalaridan ustun turishi kerak */
[hidden] { display: none !important; }

/* ------------------------------------------------------------------ icon */
/* Emoji o'rniga ishlatiladigan SVG ikonkalar (templates/partials/icons.html) */

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  vertical-align: -0.18em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.icon-sm { width: .95em; height: .95em; stroke-width: 2; }
.icon-lg { width: 1.45em; height: 1.45em; }
.icon-xl { width: 1.9em;  height: 1.9em; stroke-width: 1.6; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
}

a { color: var(--navy-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { letter-spacing: -.3px; }

/* ======================================================== umumiy joylashuv */

.layout { display: flex; min-height: 100vh; }

/* ---------------------------------------------------------------- sidebar */

.sidebar {
  width: var(--sidebar-w);
  flex: none;
  background: var(--navy);
  color: #cfe0ef;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.09);
  color: #fff;
}
.sidebar-brand:hover { text-decoration: none; }

.sidebar-brand .mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--gold), #e4c766);
  color: var(--navy);
  display: grid; place-items: center;
  font-weight: 800; font-size: 18px;
  flex: none;
}
.sidebar-brand strong { display: block; font-size: 14px; }
.sidebar-brand small  { display: block; font-size: 11px; color: #90aec9; }

.sidebar-nav { padding: 12px 10px; flex: 1; }

.nav-section {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #7794b0;
  padding: 14px 10px 6px;
  font-weight: 700;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  color: #cfe0ef;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
}
.nav-link:hover { background: rgba(255,255,255,.09); color: #fff; text-decoration: none; }
.nav-link.is-active { background: var(--navy-600); color: #fff; font-weight: 650; }
.nav-link .ico { width: 20px; text-align: center; font-size: 15px; }

.sidebar-footer {
  padding: 12px 14px 16px;
  border-top: 1px solid rgba(255,255,255,.09);
  font-size: 12.5px;
}
.sidebar-footer .user { color: #fff; font-weight: 600; margin-bottom: 6px; }
.sidebar-footer a { color: #9db9d3; }

/* -------------------------------------------------------------------- main */

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 { margin: 0; font-size: 19px; }
.topbar .crumbs { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.page { padding: 24px 26px 44px; }

/* ---------------------------------------------------------------- xabarlar */

.messages { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.message {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--navy-600);
  background: var(--navy-050);
  font-size: 14px;
}
.message-success { background: var(--green-050);  border-color: var(--green); }
.message-error   { background: var(--red-050);    border-color: var(--red); }
.message-warning { background: var(--orange-050); border-color: var(--orange); }

/* ------------------------------------------------------------------- grid */

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* ------------------------------------------------------------------- card */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card-head {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-head h2 { margin: 0; font-size: 15.5px; }
.card-head .sub { font-size: 12.5px; color: var(--muted); }

.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

/* -------------------------------------------------------------- stat tile */

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 13px;
}
.stat .ico {
  width: 42px; height: 42px;
  border-radius: 11px;
  display: grid; place-items: center;
  font-size: 19px;
  background: var(--navy-050);
  color: var(--navy-600);
  flex: none;
}
.stat .ico.gold   { background: var(--gold-050);   color: #8a6d10; }
.stat .ico.green  { background: var(--green-050);  color: #14663a; }
.stat .ico.red    { background: var(--red-050);    color: #a13b37; }
.stat .ico.purple { background: var(--purple-050); color: var(--purple); }

.stat .value { font-size: 23px; font-weight: 750; line-height: 1.1; color: var(--navy); }
.stat .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; }

/* ------------------------------------------------------------------ table */

.table-wrap { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.8px;
}

table.data th {
  background: #f7f9fc;
  color: var(--muted);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .5px;
  text-align: left;
  padding: 10px 13px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

table.data td {
  padding: 10px 13px;
  border-bottom: 1px solid #eef2f7;
  vertical-align: middle;
}

table.data tbody tr:hover { background: #fafcfe; }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td.num, table.data th.num { text-align: center; white-space: nowrap; }
table.data .rank { font-weight: 750; color: var(--navy); }

.empty {
  padding: 34px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ------------------------------------------------------------------ badge */

.badge {
  display: inline-block;
  padding: 2.5px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  white-space: nowrap;
}
.badge-navy   { background: var(--navy-050);   color: var(--navy-600); }
.badge-gold   { background: var(--gold-050);   color: #8a6d10; }
.badge-green  { background: var(--green-050);  color: #14663a; }
.badge-red    { background: var(--red-050);    color: #a13b37; }
.badge-orange { background: var(--orange-050); color: #8a5806; }
.badge-purple { background: var(--purple-050); color: var(--purple); }
.badge-gray   { background: #eef1f5;           color: #5b6b7b; }

/* ------------------------------------------------------------------ tugma */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 13.5px;
  font-weight: 620;
  cursor: pointer;
  font-family: inherit;
  transition: filter .15s ease, transform .08s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--navy-600); color: #fff; }
.btn-gold    { background: var(--gold);     color: var(--navy); }
.btn-green   { background: var(--green);    color: #fff; }
.btn-red     { background: var(--red);      color: #fff; }
.btn-outline { background: #fff; color: var(--navy-600); border-color: var(--border); }
.btn-ghost   { background: var(--navy-050); color: var(--navy-600); }
.btn-sm      { padding: 5px 11px; font-size: 12.5px; }

/* ------------------------------------------------------------------ forma */

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 12.5px; font-weight: 650; color: var(--muted); margin-bottom: 5px; }
.form-row .help { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-row .errors { font-size: 12.5px; color: var(--red); margin-top: 4px; }

.input, select.input, textarea.input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.input:focus { outline: none; border-color: var(--navy-400); box-shadow: 0 0 0 3px rgba(29,78,126,.12); }
.input-sm { padding: 5px 8px; font-size: 13px; }

.check-row { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; font-size: 13.5px; }
.check-row input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--navy-600); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.filters .input { min-width: 140px; width: auto; }

/* --------------------------------------------------------------- progress */

.bar {
  height: 8px;
  border-radius: 999px;
  background: #e8eef5;
  overflow: hidden;
  min-width: 90px;
}
.bar > span { display: block; height: 100%; background: var(--navy-600); border-radius: 999px; }
.bar.green > span { background: var(--green); }
.bar.gold  > span { background: var(--gold); }

/* ------------------------------------------------------------------ login */

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(155deg, #0f2b46 0%, #17456f 60%, #1d4e7e 100%);
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.28);
  padding: 32px 30px;
  width: 100%;
  max-width: 400px;
}
.login-card .mark {
  width: 52px; height: 52px;
  border-radius: 15px;
  background: linear-gradient(140deg, var(--gold), #e4c766);
  color: var(--navy);
  display: grid; place-items: center;
  font-weight: 800; font-size: 26px;
  margin: 0 auto 14px;
}
.login-card h1 { text-align: center; font-size: 20px; margin: 0 0 4px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13.5px; margin: 0 0 22px; }
.login-card .btn { width: 100%; justify-content: center; padding: 11px; font-size: 15px; }

/* ------------------------------------------------------------------- misc */

.kv { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px solid #eef2f7; font-size: 13.8px; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--muted); }
.kv .v { font-weight: 640; text-align: right; }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }

.code-pill {
  font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
  background: var(--navy-050);
  color: var(--navy-600);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 650;
}

.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mt { margin-top: 18px; }
.mb { margin-bottom: 18px; }
.nowrap { white-space: nowrap; }

/* ----------------------------------------------------------------- charts */
/* Savollar qiyinchiliklari va ballar taqsimoti — faqat admin sahifalarida. */

.chart-scroll { overflow-x: auto; padding-bottom: 4px; }
.chart-svg { display: block; max-width: none; }

.chart-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  font-size: 12.8px;
  color: var(--muted);
}

.chart-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend-item i { width: 12px; height: 12px; border-radius: 3px; }

.chart-tops { margin-top: 18px; }
.chart-sub {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .4px;
}

table.data.compact th, table.data.compact td { padding: 7px 9px; font-size: 13px; }

/* --------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
  }
  .sidebar-nav { display: flex; gap: 4px; padding: 8px; flex: 1; }
  .nav-section, .sidebar-footer { display: none; }
  .nav-link { white-space: nowrap; margin-bottom: 0; }
  .nav-link .label { display: none; }
  .nav-link .ico { font-size: 18px; }
  .page { padding: 18px 14px 40px; }
  .topbar { padding: 12px 14px; }
}