@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --surface2: #eeede7;
  --surface3: #e6e5de;
  --border: rgba(0,0,0,0.1);
  --border2: rgba(0,0,0,0.2);
  --text: #1a1a18;
  --text2: #5a5a56;
  --text3: #9a9a94;
  --radius: 10px;
  --radius-lg: 14px;
  --red-bg: #fcebeb;
  --red-border: #e24b4a;
  --red-text: #a32d2d;
  --amber-bg: #faeeda;
  --amber-border: #ef9f27;
  --amber-text: #633806;
  --green-bg: #eaf3de;
  --green-border: #97c459;
  --green-text: #3b6d11;
}


*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; font-size: 14px; }
.app { max-width: 100%; margin: 0 auto; padding: 1.25rem 1.5rem; }

/* NAV */
.topbar-title { font-size: 20px; font-weight: 600; margin-right: auto; display: flex; align-items: center; gap: 10px; letter-spacing: -0.01em; }
.topbar-title i { color: var(--text2); font-size: 22px; }
.nav-btn { height: 34px; padding: 0 13px; border-radius: 20px; border: 0.5px solid var(--border2); background: var(--surface); color: var(--text2); font-size: 13px; font-family: 'DM Sans', sans-serif; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; transition: all 0.15s; }
.nav-btn:hover { background: var(--surface2); color: var(--text); }
.nav-btn.active { background: var(--text); color: var(--bg); border-color: var(--text); }

/* BUTTONS */
.btn { height: 36px; padding: 0 14px; border-radius: var(--radius); border: 0.5px solid var(--border2); background: var(--surface); color: var(--text); font-size: 13px; font-family: 'DM Sans', sans-serif; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: background 0.15s; }
.btn:hover { background: var(--surface2); }
.btn.danger { color: var(--red-text); border-color: var(--red-border); }
.btn.danger:hover { background: var(--red-bg); }

/* INPUTS */
input, select { height: 34px; padding: 0 12px; border-radius: var(--radius); border: 0.5px solid var(--border2); background: var(--surface); color: var(--text); font-size: 13px; font-family: 'DM Sans', sans-serif; }
input:focus, select:focus { outline: 2px solid var(--text); outline-offset: 1px; }
input::placeholder { color: var(--text3); }

/* SECTION VIEWS */
.view { display: none; }
.view.active { display: block; }

/* LOADING SPINNER */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { display: inline-block; animation: spin 0.8s linear infinite; }

/* TOAST */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #1a1a18; color: #f5f4f0; padding: 10px 20px; border-radius: var(--radius); font-size: 13px; z-index: 200; opacity: 0; transition: opacity 0.2s; pointer-events: none; white-space: nowrap; }
.toast.show { opacity: 1; }

/* STATUS TEXT COLORS */
.red { color: var(--red-text); }
.amber { color: var(--amber-text); }
.green { color: var(--green-text); }

/* RESPONSIVE */
@media (max-width: 600px) {
  .app { padding: 1rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .student-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .nav-btn { height: 34px; font-size: 13px; padding: 0 12px; }
  .stat-val { font-size: 28px; }
  .tab { font-size: 13px; padding: 6px 12px; }
}
@media (max-width: 400px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .student-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}

/* ── SIDEBAR LAYOUT ──────────────────────────────────── */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: #162032;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 10;
}

.sidebar-logo {
  padding: 20px 16px 14px;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}

.sidebar-logo-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.sidebar-logo-brand i { font-size: 18px; color: #e84040; }

.sidebar-school {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  padding-left: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  padding: 16px 16px 6px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  background: none;
  border: none;
  border-left: 2.5px solid transparent;
  font-family: 'DM Sans', sans-serif;
  text-align: left;
  width: 100%;
  transition: all 0.15s;
}

.sidebar-nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.85);
}

.sidebar-nav-item.active {
  background: rgba(255,255,255,0.09);
  color: #fff;
  font-weight: 600;
  border-left-color: #e84040;
}

.sidebar-nav-item i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-spacer { flex: 1; }

.sidebar-bottom {
  padding: 10px 8px 16px;
  border-top: 0.5px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-bottom-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  background: none;
  border: none;
  font-family: 'DM Sans', sans-serif;
  text-align: left;
  width: 100%;
  transition: all 0.15s;
}

.sidebar-bottom-btn:hover {
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.06);
}

.sidebar-bottom-btn i { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }

.sidebar-lang {
  display: flex;
  gap: 5px;
  padding: 6px 10px;
}

.sidebar-lang-btn {
  flex: 1;
  height: 28px;
  border-radius: 6px;
  border: 0.5px solid rgba(255,255,255,0.12);
  background: none;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.15s;
}

.sidebar-lang-btn:hover { color: rgba(255,255,255,0.75); }

.sidebar-lang-btn.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.28);
}

.sidebar-server {
  padding: 4px 10px 0;
  font-size: 11px;
  color: rgba(255,255,255,0.25);
}

.main-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  min-height: 100vh;
}

/* Update .app to remove max-width constraint in sidebar layout */
.layout .app {
  padding: 1.25rem 1.5rem;
}

/* Responsive — collapse sidebar on small screens */
@media (max-width: 700px) {
  .sidebar { display: none; }
  .main-content { width: 100%; }
}