/* ==========================================================================
   CONNECTUS — TEACHER PORTAL
   Premium UI · 2026 Edition
   
   FONT NOTE: Do NOT use @import here — it blocks rendering and causes the
   white flash between pages. Add this to every page's <head> instead:

   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link href="https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=DM+Mono:wght@400;500&display=swap" rel="stylesheet">
   ========================================================================== */

/* ── DESIGN TOKENS ───────────────────────────────────────────────────────── */
:root {
  --page-bg:          #f4f7fb;
  --surface:          #ffffff;
  --border:           #dce3ed;
  --border-strong:    #b8c5d4;

  --text-primary:     #0d1f35;
  --text-secondary:   #374f6b;
  --text-muted:       #6b84a0;
  --text-faint:       #9ab0c6;

  --green-50:         #edfaf4;
  --green-100:        #c6f0db;
  --green-200:        #89deb8;
  --green-500:        #0ea871;
  --green-600:        #0b8f5e;
  --green-700:        #08754d;
  --green-900:        #053d29;

  --blue-50:          #eef4ff;
  --blue-100:         #c7d9fd;
  --blue-500:         #2563eb;
  --blue-600:         #1d4ed8;

  --rose-50:          #fff0f3;
  --rose-100:         #ffd6de;
  --rose-400:         #fb6f8a;
  --rose-500:         #e31b4a;
  --rose-600:         #be1240;

  --amber-50:         #fffbeb;
  --amber-500:        #f59e0b;

  --sb-bg:            #071929;
  --sb-border:        rgba(255,255,255,0.05);
  --sb-hover:         rgba(255,255,255,0.06);
  --sb-text:          rgba(255,255,255,0.65);
  --sb-muted:         rgba(255,255,255,0.35);
  --sb-accent:        #34d399;
  --sb-accent-bg:     rgba(52,211,153,0.10);
  --sb-accent-border: rgba(52,211,153,0.18);

  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   14px;
  --r-xl:   18px;

  --shadow-xs:    0 1px 2px rgba(13,31,53,0.06);
  --shadow-sm:    0 1px 3px rgba(13,31,53,0.09), 0 1px 2px rgba(13,31,53,0.05);
  --shadow-md:    0 4px 14px rgba(13,31,53,0.09), 0 2px 4px rgba(13,31,53,0.05);
  --shadow-green: 0 0 0 3px rgba(14,168,113,0.20);
}

/* ── RESET & BASE ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: 'DM Sans', 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  background: var(--page-bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar             { width: 5px; height: 5px; }
::-webkit-scrollbar-track       { background: transparent; }
::-webkit-scrollbar-thumb       { background: #c3cdd8; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #9baab8; }

/* ── SIDEBAR SHELL ───────────────────────────────────────────────────────── */
#sidebar {
  background: var(--sb-bg) !important;
  border-right: 1px solid var(--sb-border) !important;
  box-shadow: 3px 0 28px rgba(0,0,0,0.25) !important;
}

/* ── SIDEBAR: BRAND ──────────────────────────────────────────────────────── */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--sb-border);
}

.sidebar-logo-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: url('YOUR_LOGO_FILE.png') center/contain no-repeat;
  color: transparent;
  font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: 14.5px; font-weight: 700;
  color: #ffffff; letter-spacing: -0.3px;
}

/* ── SIDEBAR: PROFILE CARD ───────────────────────────────────────────────── */
.sidebar-profile {
  margin: 12px 12px 4px;
  padding: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
}

.sidebar-profile-top {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 12px;
}

.sidebar-avatar {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green-600), var(--green-900));
  color: #fff; font-size: 15px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.sidebar-teacher-name {
  font-size: 13px; font-weight: 700;
  color: #ffffff; letter-spacing: -0.2px;
  margin: 0 0 5px; line-height: 1.3;
}

.sidebar-class-pills {
  display: flex; flex-wrap: wrap; gap: 4px;
}

/* .class-pill — rendered by home.js / roster.js */
.class-pill {
  display: inline-block;
  padding: 2px 8px;
  background: var(--sb-accent-bg);
  border: 1px solid var(--sb-accent-border);
  border-radius: 99px;
  font-size: 10px; font-weight: 600;
  color: var(--sb-accent);
  letter-spacing: 0.01em;
}

/* ── SIDEBAR: PROP TABLE ─────────────────────────────────────────────────── */
/*
   Displays Students / Period / At Risk as a clean key → value table.
   Each row: label on the left, value right-aligned on the right.
   A hairline separator between each row.
*/
.sidebar-prop-table {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
}

.sidebar-prop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 2px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-prop-row-last { border-bottom: none; }

.sidebar-prop-key {
  font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--sb-muted);
}

.sidebar-prop-val {
  font-size: 12px; font-weight: 700;
  color: #ffffff; letter-spacing: -0.1px;
  max-width: 145px;
  text-align: right;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.sidebar-prop-green {
  color: var(--sb-accent);
  font-size: 11px;
}

.sidebar-prop-risk { color: #ffffff; }

.sidebar-prop-risk.is-risk {
  color: var(--rose-400);
  background: rgba(251,111,138,0.12);
  border: 1px solid rgba(251,111,138,0.22);
  padding: 1px 8px; border-radius: 99px;
  font-size: 11px;
}

/* ── SIDEBAR: NAV ────────────────────────────────────────────────────────── */
.sidebar-nav {
  flex: 1; padding: 8px 10px; overflow-y: auto;
}

.nav-section-label {
  font-size: 9.5px !important; font-weight: 700 !important;
  color: var(--sb-muted) !important;
  text-transform: uppercase !important; letter-spacing: 0.13em !important;
  padding: 0 10px !important; margin: 18px 0 4px !important;
  display: block;
}

.nav-item {
  display: flex !important; align-items: center !important; gap: 10px !important;
  padding: 9px 12px !important; margin: 1px 0 !important;
  border-radius: var(--r-md) !important;
  font-size: 13px !important; font-weight: 500 !important;
  color: var(--sb-text) !important; text-decoration: none !important;
  transition: background 0.14s, color 0.14s !important;
  position: relative !important; border: 1px solid transparent !important;
  letter-spacing: -0.1px !important; cursor: pointer;
}

.nav-item i {
  width: 15px; font-size: 12.5px; text-align: center;
  opacity: 0.55; flex-shrink: 0; transition: opacity 0.14s;
}

.nav-item:hover {
  background: var(--sb-hover) !important;
  color: rgba(255,255,255,0.92) !important;
}

.nav-item:hover i { opacity: 0.9; }

.nav-item.active {
  background: var(--sb-accent-bg) !important;
  color: var(--sb-accent) !important;
  border-color: var(--sb-accent-border) !important;
  font-weight: 600 !important;
}

.nav-item.active i { opacity: 1; color: var(--sb-accent); }

.nav-item.active::before {
  content: '';
  position: absolute; left: -10px; top: 22%; height: 56%;
  width: 3px; background: var(--sb-accent);
  border-radius: 0 3px 3px 0;
}

/* ── SIDEBAR: FOOTER ─────────────────────────────────────────────────────── */
.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--sb-border);
  display: flex; flex-direction: column; gap: 10px;
}

.sidebar-school-id-block {
  background: rgba(52,211,153,0.07);
  border: 1px solid rgba(52,211,153,0.14);
  border-radius: var(--r-md);
  padding: 8px 12px; text-align: center;
}

.sidebar-school-id-label {
  font-size: 9px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--sb-accent); margin: 0 0 2px;
}

.sidebar-school-id-val {
  font-family: 'DM Mono', 'Fira Mono', monospace;
  font-size: 13px; font-weight: 700;
  color: #ffffff; letter-spacing: 0.18em; margin: 0;
}

.sidebar-logout-btn {
  width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--r-md);
  background: rgba(239,68,68,0.07);
  border: 1px solid rgba(239,68,68,0.15);
  color: #fca5a5;
  font-size: 13px; font-weight: 600; font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sidebar-logout-btn:hover {
  background: #ef4444; border-color: #ef4444; color: #ffffff;
}

/* ── TOPBAR ──────────────────────────────────────────────────────────────── */
.topbar {
  background: var(--surface) !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: var(--shadow-xs) !important;
  height: 54px !important;
  display: flex !important; align-items: center !important;
  justify-content: space-between !important;
  padding: 0 26px !important; flex-shrink: 0;
}

.topbar-left { display: flex; flex-direction: column; justify-content: center; }

.topbar-title {
  font-size: 16px !important; font-weight: 700 !important;
  color: var(--text-primary) !important; letter-spacing: -0.3px !important;
  line-height: 1.2 !important; margin: 0 !important;
}

.topbar-sub {
  font-size: 11.5px !important; color: var(--text-muted) !important;
  font-weight: 400 !important; margin: 1px 0 0 !important;
}

.topbar-right {
  display: flex; align-items: center; gap: 10px;
}

.topbar-search {
  display: flex; align-items: center; gap: 7px;
  background: var(--page-bg);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 7px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.topbar-search-hidden  { display: none !important; }
.topbar-search-visible { display: flex !important; }

.topbar-search:focus-within {
  border-color: var(--green-500);
  box-shadow: var(--shadow-green);
}

.topbar-search-icon { font-size: 12px; color: var(--text-faint); }

.topbar-search-input {
  border: none; background: transparent; outline: none;
  font-size: 13px; font-family: inherit;
  color: var(--text-primary); width: 160px; font-weight: 500;
}

.topbar-search-input::placeholder { color: var(--text-faint); }

.topbar-locked-badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--rose-50); border: 1px solid var(--rose-100);
  border-radius: var(--r-md); padding: 6px 12px;
  font-size: 11px; font-weight: 700; color: var(--rose-500);
  text-transform: uppercase; letter-spacing: 0.06em;
}

.topbar-period-wrap {
  display: flex; align-items: center; gap: 7px;
  background: var(--green-50); border: 1px solid var(--green-100);
  border-radius: var(--r-md); padding: 7px 12px;
}

.topbar-period-icon { font-size: 12px; color: var(--green-500); flex-shrink: 0; }

.topbar-period-label {
  font-size: 10.5px; font-weight: 700;
  color: var(--green-600); text-transform: uppercase;
  letter-spacing: 0.07em; white-space: nowrap;
}

.topbar-period-select {
  background: transparent; border: none; outline: none;
  font-size: 13px; font-weight: 700;
  color: var(--green-700); font-family: inherit;
  cursor: pointer; max-width: 140px;
}

.topbar-logo { height: 28px; width: auto; opacity: 0.2; }

/* ── PAGE WRAPPER ────────────────────────────────────────────────────────── */
.view-section {
  background: var(--page-bg) !important;
  padding: 28px 32px !important;
}

/* ── STAT CARDS ──────────────────────────────────────────────────────────── */
.stat-card {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  padding: 20px 22px !important;
  transition: box-shadow 0.18s, border-color 0.18s, transform 0.18s !important;
  display: flex !important;
  align-items: flex-start !important;
  justify-content: space-between !important;
}

.stat-card:hover {
  border-color: var(--border-strong) !important;
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-1px) !important;
}

/* ── QUICK ACTION BUTTONS ────────────────────────────────────────────────── */
.qa-btn {
  display: flex !important; align-items: center !important; gap: 11px !important;
  padding: 12px 14px !important;
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  text-decoration: none !important; color: var(--text-primary) !important;
  font-size: 13px !important; font-weight: 600 !important;
  letter-spacing: -0.1px !important;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s !important;
  box-shadow: var(--shadow-xs) !important; cursor: pointer;
}

.qa-btn:hover {
  border-color: var(--green-500) !important;
  box-shadow: var(--shadow-green) !important;
  background: var(--green-50) !important;
  color: var(--green-700) !important;
}

.qa-icon {
  width: 32px !important; height: 32px !important;
  border-radius: var(--r-sm) !important;
  background: var(--green-50) !important; border: 1px solid var(--green-100) !important;
  color: var(--green-600) !important;
  display: flex !important; align-items: center !important; justify-content: center !important;
  font-size: 12px !important; flex-shrink: 0 !important;
  transition: background 0.15s, border-color 0.15s !important;
}

.qa-btn:hover .qa-icon {
  background: var(--green-100) !important;
  border-color: var(--green-500) !important;
}

/* ── TABLE ROWS ──────────────────────────────────────────────────────────── */
.trow, .gb-row {
  border-bottom: 1px solid #f0f4f9;
  transition: background 0.12s;
  background: var(--surface);
}

.trow:hover, .gb-row:hover { background: #f8fafc !important; }

/* ── FORM INPUTS ─────────────────────────────────────────────────────────── */
.form-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13.5px; color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-input:focus {
  border-color: var(--green-500);
  box-shadow: var(--shadow-green);
}

.form-input::placeholder { color: var(--text-faint); }

/* ── OVERLAY ─────────────────────────────────────────────────────────────── */
.overlay { transition: opacity 0.2s ease; }
.overlay.opacity-0 { opacity: 0; pointer-events: none; }

/* Subject accordions */
.subject-body      { display: none; }
.subject-body.open { display: block; }

/* ── STANDING BADGES ─────────────────────────────────────────────────────── */
.standing-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 99px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.01em; white-space: nowrap;
}

.badge-excelling { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.badge-good      { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.badge-ontrack   { background: #ccfbf1; color: #115e59; border: 1px solid #99f6e4; }
.badge-attention { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-atrisk    { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.badge-none      { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }

/* ── BUTTON PRIMITIVES ───────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; background: var(--green-500); color: #fff;
  border: none; border-radius: var(--r-md);
  font-size: 13.5px; font-weight: 700; font-family: inherit;
  cursor: pointer; transition: background 0.15s, box-shadow 0.15s, transform 0.15s;
  box-shadow: 0 1px 2px rgba(5,150,105,0.28);
}

.btn-primary:hover {
  background: var(--green-600);
  box-shadow: 0 4px 12px rgba(5,150,105,0.30);
  transform: translateY(-1px);
}

.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px; background: var(--surface);
  color: var(--text-secondary); border: 1px solid var(--border);
  border-radius: var(--r-md); font-size: 13px; font-weight: 600;
  font-family: inherit; cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover { border-color: var(--border-strong); color: var(--text-primary); }

/* ── AT-RISK BANNER ──────────────────────────────────────────────────────── */
#atRiskBanner {
  background: #fff8f9 !important;
  border: 1px solid var(--rose-100) !important;
  border-radius: var(--r-lg) !important;
  padding: 14px 18px !important;
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .view-section { padding: 16px !important; }
  .stat-card    { padding: 14px 16px !important; }
}
