/* ════════════════════════════════════════════════════════════════
   Mokykla360 — Bendra dizaino sistema
   Prijungti visose HTML puslapiuose:
   <link rel="stylesheet" href="mokykla360.css">
   ════════════════════════════════════════════════════════════════ */

/* ── Kintamieji ─────────────────────────────────────────────────── */
:root {
  --c-primary:  #1a1a2e;
  --c-accent:   #4f8ef7;
  --c-green:    #22c55e;
  --c-red:      #e84545;
  --c-purple:   #7c3aed;
  --c-orange:   #f7854f;
  --c-yellow:   #f59e0b;
  --c-cyan:     #0891b2;
  --c-ink:      #1a1a2e;
  --c-ink2:     #3a3f4b;
  --c-ink3:     #6b7280;
  --c-bg:       #f0f2f7;
  --c-card:     #ffffff;
  --c-border:   #e8eaf0;
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px;
  --sh-sm: 0 2px 10px rgba(0,0,0,.06);
  --sh-md: 0 4px 20px rgba(0,0,0,.10);
  --sh-lg: 0 8px 32px rgba(0,0,0,.16);
  --font: Arial, Helvetica, sans-serif;
  --trans: all .18s ease;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--c-bg); color: var(--c-ink); min-height: 100vh; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; }
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input[type=date] { cursor: pointer; color-scheme: light; }
input[type=date]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .55; }

/* ── Tipografija ────────────────────────────────────────────────── */
.t-xs  { font-size: 10px; }
.t-sm  { font-size: 12px; }
.t-md  { font-size: 14px; }
.t-lg  { font-size: 16px; }
.t-xl  { font-size: 20px; }
.t-2xl { font-size: 24px; }
.t-bold { font-weight: 700; }
.t-muted { color: var(--c-ink3); }
.t-upper { text-transform: uppercase; letter-spacing: .5px; }

/* ── Mygtukai ───────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--c-primary); color: #fff; border: none; border-radius: var(--r-sm); padding: 10px 20px; font-size: 13px; font-weight: 700; cursor: pointer; transition: var(--trans); white-space: nowrap; }
.btn:hover { opacity: .85; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .4; cursor: default; transform: none; }
.btn-sm  { padding: 5px 12px; font-size: 12px; border-radius: 7px; }
.btn-lg  { padding: 13px 26px; font-size: 15px; border-radius: var(--r-md); }
.btn-icon { background: transparent; border: none; padding: 4px 7px; font-size: 14px; border-radius: 6px; color: var(--c-ink2); }
.btn-icon:hover { background: #f0f2f7; }
.btn-green  { background: var(--c-green); }
.btn-red    { background: var(--c-red); }
.btn-blue   { background: var(--c-accent); }
.btn-purple { background: var(--c-purple); }
.btn-orange { background: var(--c-orange); }
.btn-cyan   { background: var(--c-cyan); }
.btn-ghost  { background: transparent; color: var(--c-ink2); border: 1.5px solid var(--c-border); }
.btn-ghost:hover { background: #f5f5f5; }

/* ── Formos elementai ───────────────────────────────────────────── */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 10px; font-weight: 700; color: var(--c-ink3); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .5px; }
.field input, .field select, .field textarea { width: 100%; padding: 10px 13px; border-radius: var(--r-sm); border: 1.5px solid var(--c-border); font-size: 13px; outline: none; background: #fff; transition: border-color .2s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-accent); }
.field textarea { resize: vertical; min-height: 72px; }
.field .hint { font-size: 11px; color: var(--c-ink3); margin-top: 4px; }
.field .req { color: var(--c-red); margin-left: 2px; }
.err-box { background: #fff0f0; border: 1px solid #f7c4c4; border-radius: var(--r-sm); padding: 9px 13px; font-size: 12px; color: #c00; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 13px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }

/* ── Kortelės ───────────────────────────────────────────────────── */
.card { background: var(--c-card); border-radius: var(--r-md); padding: 20px 24px; box-shadow: var(--sh-sm); margin-bottom: 16px; }
.card-sm { padding: 14px 18px; }
.card-lg { padding: 28px 32px; }
.card-hdr { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 8px; }
.card-title { font-size: 15px; font-weight: 700; }
.card-sub { font-size: 12px; color: var(--c-ink3); margin-top: 2px; }

/* ── Lentelės ───────────────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { background: #f8f9fc; padding: 8px 11px; text-align: left; font-size: 10px; font-weight: 700; color: var(--c-ink3); text-transform: uppercase; letter-spacing: .4px; border-bottom: 2px solid var(--c-border); white-space: nowrap; }
td { padding: 8px 11px; border-bottom: 1px solid #f0f2f7; vertical-align: middle; font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfd; }
.tbl-empty { color: var(--c-ink3); padding: 28px; text-align: center; font-size: 13px; }

/* ── Ženkliukai / Chips ─────────────────────────────────────────── */
.chip { display: inline-block; padding: 2px 8px; border-radius: 5px; font-size: 10px; font-weight: 700; }
.chip-green  { background: #dcfce7; color: #166534; }
.chip-red    { background: #fee2e2; color: #991b1b; }
.chip-blue   { background: #dbeafe; color: #1e40af; }
.chip-purple { background: #ede9fe; color: #6d28d9; }
.chip-orange { background: #fed7aa; color: #9a3412; }
.chip-gray   { background: #f3f4f6; color: #6b7280; }
.chip-cyan   { background: #cffafe; color: #155e75; }

/* ── Antraštė ───────────────────────────────────────────────────── */
.m360-hdr { background: var(--c-primary); padding: 12px 22px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(255,255,255,.06); }
.m360-logo { color: #fff; font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.m360-module { border-radius: 7px; padding: 3px 11px; font-size: 11px; font-weight: 700; }
.m360-badge { background: rgba(255,255,255,.13); border-radius: 18px; padding: 4px 12px; font-size: 12px; color: #fff; }
.m360-hdr-btn { background: transparent; color: #aaa; border: 1px solid #444; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; transition: var(--trans); }
.m360-hdr-btn:hover { color: #fff; border-color: #666; }
.m360-hdr-back { background: var(--c-accent); color: #fff; border: none; border-radius: 6px; padding: 4px 13px; font-size: 12px; font-weight: 700; cursor: pointer; }
.m360-hdr-back:hover { opacity: .85; }

/* ── Puslapio turinys ────────────────────────────────────────────── */
.m360-page { max-width: 1200px; margin: 0 auto; padding: 22px 14px; }
.m360-page-wide { max-width: 1300px; }

/* ── Kortelių tinklelis ─────────────────────────────────────────── */
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }

/* ── Skirtukai ──────────────────────────────────────────────────── */
.tabs { display: flex; gap: 5px; margin-bottom: 18px; flex-wrap: wrap; }
.tab { padding: 8px 16px; border-radius: var(--r-sm); border: 1.5px solid var(--c-border); background: #fff; font-size: 12px; color: var(--c-ink2); cursor: pointer; transition: var(--trans); white-space: nowrap; }
.tab:hover { border-color: #bbb; }
.tab.on { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ── Loading / Spinner ──────────────────────────────────────────── */
.spinner { width: 22px; height: 22px; border: 3px solid #eee; border-top-color: var(--c-accent); border-radius: 50%; animation: m360-spin .7s linear infinite; display: inline-block; }
.spinner-lg { width: 40px; height: 40px; border-width: 4px; }
@keyframes m360-spin { to { transform: rotate(360deg); } }
.loading-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 14px; color: var(--c-ink3); font-size: 14px; }
.skeleton { background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%); background-size: 200% 100%; animation: m360-skel 1.5s infinite; border-radius: var(--r-sm); }
@keyframes m360-skel { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Toast / Pranešimai ─────────────────────────────────────────── */
.m360-toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); color: #fff; font-weight: 700; border-radius: 10px; padding: 11px 24px; font-size: 13px; box-shadow: var(--sh-lg); z-index: 9999; white-space: nowrap; animation: m360-toast-in .22s ease; display: flex; align-items: center; gap: 8px; }
@keyframes m360-toast-in { from { opacity: 0; transform: translateX(-50%) translateY(8px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
.toast-ok     { background: var(--c-green); }
.toast-err    { background: var(--c-red); }
.toast-info   { background: var(--c-accent); }
.toast-warn   { background: var(--c-orange); }

/* ── Modalas ────────────────────────────────────────────────────── */
.m360-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 200; animation: m360-fadein .15s; }
@keyframes m360-fadein { from { opacity: 0; } to { opacity: 1; } }
.m360-modal { background: #fff; border-radius: var(--r-lg); padding: 28px 32px; max-width: 520px; width: 96%; max-height: 90vh; overflow-y: auto; box-shadow: 0 24px 64px rgba(0,0,0,.22); animation: m360-modal-in .2s ease; }
@keyframes m360-modal-in { from { opacity: 0; transform: scale(.96) translateY(-10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.m360-modal-title { font-size: 17px; font-weight: 700; margin-bottom: 18px; }

/* ── Tuščia būsena ──────────────────────────────────────────────── */
.empty-state { padding: 48px 24px; text-align: center; color: var(--c-ink3); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; opacity: .6; }
.empty-state-title { font-size: 16px; font-weight: 700; color: var(--c-ink2); margin-bottom: 6px; }
.empty-state-sub { font-size: 13px; line-height: 1.6; }

/* ── Statistikos kortelės ───────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card { background: #fff; border-radius: var(--r-md); padding: 15px 17px; box-shadow: var(--sh-sm); border-left: 4px solid var(--c-border); }
.stat-n { font-size: 26px; font-weight: 700; line-height: 1; }
.stat-l { font-size: 10px; color: var(--c-ink3); margin-top: 4px; text-transform: uppercase; letter-spacing: .3px; }

/* ── Spalvoti akcentai ──────────────────────────────────────────── */
.accent-blue   { --c-accent-local: var(--c-accent);   }
.accent-green  { --c-accent-local: var(--c-green);    }
.accent-red    { --c-accent-local: var(--c-red);       }
.accent-purple { --c-accent-local: var(--c-purple);   }
.accent-orange { --c-accent-local: var(--c-orange);   }
.accent-cyan   { --c-accent-local: var(--c-cyan);     }

/* ── Pranešimų juosta ───────────────────────────────────────────── */
.banner { border-radius: var(--r-md); padding: 14px 18px; display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.banner-icon { font-size: 22px; flex-shrink: 0; }
.banner-text { flex: 1; }
.banner-title { font-weight: 700; font-size: 13px; margin-bottom: 2px; }
.banner-sub { font-size: 12px; opacity: .75; }
.banner-warn   { background: #fff4ee; border: 1.5px solid #fed7aa; color: #9a3412; }
.banner-info   { background: #eef3ff; border: 1.5px solid #bcd4ff; color: #1e3a5f; }
.banner-success{ background: #edfaf3; border: 1.5px solid #6ee7b7; color: #166534; }
.banner-purple { background: #ede9fe; border: 1.5px solid #c4b5fd; color: #6d28d9; }

/* ── Mobilusis ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .m360-modal { padding: 20px 16px; }
  .card { padding: 15px 16px; }
  .hide-mobile { display: none !important; }
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}