/* ============================================================
   Edu Seria LMS — Pink Retro Windows theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  --pk1:        #ffb3d1;
  --pk2:        #e0709a;
  --pk3:        #c04878;
  --pk-dark:    #8a2055;
  --frame:      #eec8d8;
  --frame-lite: #fff5f9;
  --frame-dark: #b888a0;
  --pane:       #fff5f9;
  --ink:        #3d1525;
  --ink-soft:   #8a4060;
  --line:       #d4a8bc;
  --ok:         #2d7a4a;
  --err:        #c0341d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Tahoma, 'Segoe UI', Verdana, Geneva, sans-serif;
  font-size: 13px;
  color: var(--ink);
  background: url('/image/background.jpg') center / cover fixed;
}

h1, h2, h3 { margin: 0; font-weight: bold; }
.hidden { display: none !important; }

/* ---------- Window chrome ---------- */
.window {
  background: var(--frame);
  /* Win95 raised border effect */
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  box-shadow: 1px 1px 0 #fff inset, 4px 8px 24px rgba(100, 30, 60, .45);
  overflow: hidden;
}


.titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px 6px;
  color: #fff;
  font-weight: bold;
  font-size: 11px;
  font-family: 'Press Start 2P', Tahoma, sans-serif;
  text-shadow: 1px 1px 2px rgba(80, 0, 40, .5);
  background: linear-gradient(180deg,
    #ffb3d1 0%, #e0709a 10%,
    #c04878 48%, #a83065 52%,
    #cc5888 90%, #f0a0c0 100%);
  border-bottom: 2px solid var(--pk-dark);
  position: relative;
}
.titlebar::after {
  content: ""; position: absolute; left: 6px; right: 6px; top: 2px; height: 8px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,.5), rgba(255,255,255,0));
  pointer-events: none;
}

.titlebar-icon {
  display: grid; place-items: center;
  width: 18px; height: 18px;
  background: #fff5f9; color: var(--pk3);
  font-size: 10px; font-weight: bold;
  border: 1px solid var(--pk2); border-radius: 2px;
  text-shadow: none;
}
.titlebar-text { flex: 1; font-size: 10px; }
.titlebar-buttons { display: flex; gap: 3px; }

.tb-btn {
  width: 22px; height: 20px;
  border: 2px solid;
  border-color: var(--frame-lite) var(--pk-dark) var(--pk-dark) var(--frame-lite);
  background: linear-gradient(180deg, #f9c8de 0%, #e870a0 50%, #c84880 100%);
  color: #fff; font-weight: bold; font-size: 11px; line-height: 1;
  cursor: default;
}
.tb-btn.close {
  background: linear-gradient(180deg, #ffd0cb 0%, #ef918a 45%, #d9544a 55%, #ec8079 100%);
  border-color: var(--frame-lite) #9a2c22 #9a2c22 var(--frame-lite);
}

.window-body { padding: 14px; background: transparent; }

.statusbar {
  display: flex; justify-content: space-between; gap: 6px;
  padding: 3px 5px;
  background: var(--frame);
  border-top: 2px solid var(--frame-lite);
  font-size: 11px; color: var(--ink-soft);
}
.status-cell {
  padding: 1px 7px;
  border: 1px solid;
  border-color: var(--frame-dark) var(--frame-lite) var(--frame-lite) var(--frame-dark);
}

/* ---------- Buttons ---------- */
.btn {
  font: inherit; font-weight: bold;
  padding: 5px 14px;
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  cursor: pointer;
  color: var(--ink);
  background: linear-gradient(180deg, #fff5f9 0%, #f5d5e5 45%, #ecc0d4 55%, #f5d5e5 100%);
}
.btn:hover {
  background: linear-gradient(180deg, #fff8fb 0%, #fde8f2 45%, #f8d0e8 55%, #fde8f2 100%);
}
.btn:active {
  border-color: var(--frame-dark) var(--frame-lite) var(--frame-lite) var(--frame-dark);
  background: linear-gradient(180deg, #ecc0d4, #f5d5e5);
}
.btn.primary {
  color: #fff;
  text-shadow: 0 1px 1px rgba(80,0,40,.4);
  border-color: var(--frame-lite) var(--pk-dark) var(--pk-dark) var(--frame-lite);
  background: linear-gradient(180deg, #f0a0c8 0%, #e06098 45%, #c84078 52%, #e06090 100%);
  width: 100%;
}
.btn.primary:hover {
  background: linear-gradient(180deg, #f8b8d8 0%, #e870a8 45%, #d45088 52%, #e870a0 100%);
}
.btn.ghost {
  background: linear-gradient(180deg, #fff5f9, #eeccd8);
}
.btn.amber {
  color: #5a3000;
  border-color: var(--frame-lite) #b07310 #b07310 var(--frame-lite);
  background: linear-gradient(180deg, #ffe9b0 0%, #ffce63 45%, #f5ad32 52%, #ffce63 100%);
}
.btn.danger {
  color: var(--err);
  border-color: var(--frame-lite) #b96a60 #b96a60 var(--frame-lite);
  background: linear-gradient(180deg, #fff0f0, #fbe7e4);
}
.btn.danger:hover { background: linear-gradient(180deg, #fff, #f6cfc9); }
.btn.small { padding: 3px 10px; font-size: 12px; }

/* ---------- Inputs ---------- */
input, select, textarea {
  font: inherit; width: 100%; margin-top: 3px;
  padding: 5px 6px;
  background: #fff5f9;
  border: 2px solid;
  border-color: var(--frame-dark) var(--frame-lite) var(--frame-lite) var(--frame-dark);
  border-radius: 0;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 1px dotted var(--pk3);
  border-color: var(--pk2);
  background: #fff;
}
label { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 11px; }

/* ---------- Brand ---------- */
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.brand h1 {
  font-size: 16px; color: var(--pk-dark);
  font-family: 'Press Start 2P', Tahoma, sans-serif;
  letter-spacing: -1px;
}
.brand-sub { margin: 0; font-size: 11px; color: var(--ink-soft); }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px;
  color: #fff; font-size: 20px; font-weight: bold; border-radius: 3px;
  background: linear-gradient(180deg, #f0a0c8 0%, #e06098 50%, #c84078 100%);
  border: 2px solid;
  border-color: var(--frame-lite) var(--pk-dark) var(--pk-dark) var(--frame-lite);
  text-shadow: 0 1px 2px rgba(80,0,40,.4);
}

/* ---------- Auth layout ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.auth-window { width: min(400px, 100%); }

.auth-panel {
  background: rgba(255, 245, 249, 0.92);
  border: 2px solid;
  border-color: var(--frame-dark) var(--frame-lite) var(--frame-lite) var(--frame-dark);
  padding: 16px;
}

.tabs { display: flex; gap: 0; margin: 14px 0 14px; }
.tab {
  flex: 1; padding: 6px; font: inherit; font-weight: bold; cursor: pointer;
  color: var(--ink-soft);
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  background: linear-gradient(180deg, #f9e0ec, #eec0d4);
}
.tab:first-child { margin-right: -1px; }
.tab.active {
  color: var(--pk-dark);
  background: linear-gradient(180deg, #fff5f9, rgba(255,245,249,.92));
  border-bottom-color: rgba(255,245,249,.92);
  position: relative; z-index: 1;
}

.msg { margin: 12px 0 0; font-size: 12px; min-height: 1.2em; }
.msg.error { color: var(--err); }
.msg.ok { color: var(--ok); }
.hint {
  margin-top: 12px; font-size: 11px; line-height: 1.6; color: var(--ink-soft);
  background: #fff0f6; border: 1px solid #e8c0d4; border-radius: 2px; padding: 7px 9px;
}
.hint strong { color: var(--pk-dark); }

/* ---------- App shell ---------- */
.app { min-height: 100vh; padding: 22px; display: grid; place-items: start center; }
.app-window { width: min(1000px, 100%); }

.toolbar {
  display: flex; align-items: center; gap: 12px;
  padding: 6px 10px;
  background: linear-gradient(180deg, #fff5f9 0%, #f0c8da 100%);
  border-bottom: 2px solid var(--frame-dark);
}
.nav { display: flex; gap: 4px; flex: 1; }
.nav button {
  font: inherit; font-weight: bold; cursor: pointer; color: var(--ink-soft);
  padding: 5px 12px;
  border: 2px solid transparent; background: transparent;
}
.nav button:hover {
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  background: linear-gradient(180deg, #fff5f9, #f9d6e8);
}
.nav button.active {
  color: #fff;
  text-shadow: 0 1px 1px rgba(80,0,40,.3);
  border-color: var(--frame-lite) var(--pk-dark) var(--pk-dark) var(--frame-lite);
  background: linear-gradient(180deg, #f0a0c8 0%, #e06098 50%, #c84078 100%);
}
.user-chip { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.badge {
  font-size: 10px; font-weight: bold; text-transform: uppercase;
  letter-spacing: .4px; padding: 2px 7px; border-radius: 9px; border: 1px solid;
}
.badge.educator { color: var(--pk-dark); background: #ffd8eb; border-color: #e8a8c8; }
.badge.learner  { color: #8a5410; background: #ffe9c2; border-color: #e0b270; }

.content { padding: 18px; background: var(--frame); }

/* ---------- Cards / panels ---------- */
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-head h2 { font-size: 16px; color: var(--pk-dark); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 12px; }

.card, .panel {
  background: var(--pane);
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
}
.card { padding: 12px 13px; }
.panel { padding: 16px; margin-bottom: 16px; }
.card h3 { font-size: 14px; margin-bottom: 3px; color: var(--ink); }
.panel h3 { font-size: 14px; margin-bottom: 12px; color: var(--pk-dark); }

.card .cat {
  display: inline-block; font-size: 10px; font-weight: bold; text-transform: uppercase;
  letter-spacing: .4px; color: var(--pk-dark); background: #ffd8eb;
  border: 1px solid #e8a8c8; padding: 2px 6px; border-radius: 8px; margin-bottom: 7px;
}
.card .desc { color: var(--ink-soft); font-size: 12px; line-height: 1.5; margin: 5px 0 9px; }
.card .meta {
  font-size: 11px; color: var(--ink-soft); display: flex;
  justify-content: space-between; border-top: 1px solid #f0c8da; padding-top: 8px; margin-top: 5px;
}
.card-actions { display: flex; gap: 6px; margin-top: 9px; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.empty { text-align: center; padding: 34px 12px; color: var(--ink-soft); font-style: italic; }

table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 6px 7px; border-bottom: 1px solid #f0c8da; }
th {
  font-size: 11px; text-transform: uppercase; letter-spacing: .4px;
  color: var(--ink-soft); background: #ffeef5;
}

/* ---------- Modal ---------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(80,20,50,.45);
  display: grid; place-items: center; z-index: 50; padding: 16px;
}
.modal {
  width: min(460px, 100%); background: var(--frame);
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  box-shadow: 4px 8px 20px rgba(80,20,50,.4);
  padding: 0 14px 14px;
}
.modal h3 {
  margin: 0 -14px 14px; padding: 6px 10px; color: #fff; font-size: 11px;
  font-family: 'Press Start 2P', Tahoma, sans-serif;
  background: linear-gradient(180deg, #ffb3d1 0%, #e0709a 10%, #c04878 48%, #a83065 52%, #cc5888 90%);
  text-shadow: 1px 1px 2px rgba(80,0,40,.4);
  border-bottom: 2px solid var(--pk-dark);
}
.modal label { padding: 0 2px; }
.modal-actions { display: flex; gap: 8px; margin-top: 6px; padding: 0 2px; }
.modal-actions .btn { width: auto; flex: 1; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: #fff0f6; color: var(--ink);
  border: 2px solid;
  border-color: var(--frame-lite) var(--frame-dark) var(--frame-dark) var(--frame-lite);
  padding: 9px 14px; font-size: 12px;
  box-shadow: 3px 4px 10px rgba(80,20,50,.3); z-index: 100;
}
.toast.err { background: #fbe3df; border-color: var(--frame-dark); color: var(--err); }

@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; }
  .toolbar { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; }
}