/* =========================================================
   Mfumo wa Kupambana na Utoro Sugu — Design tokens
   Rangi zinazoendana na Nembo ya Halmashauri ya Wilaya ya Chemba
   (Kijani cha shamba, Njano/Dhahabu, Nyeusi, Nyeupe)
   ========================================================= */
:root {
  --brand-green: #17532E;
  --brand-green-dark: #0D3620;
  --brand-gold: #D8A61E;
  --brand-gold-soft: #F3E3B0;
  --paper: #F7F6F2;
  --surface: #FFFFFF;
  --success: #2F7A4D;
  --success-soft: #E3F1E8;
  --danger: #A93226;
  --danger-soft: #FBEAE8;
  --info-soft: #EFEAD8;
  --text: #262E27;
  --text-muted: #6B7268;
  --border: #E1DDCE;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(23, 83, 46, 0.08), 0 1px 2px rgba(23, 83, 46, 0.06);

  /* Majina ya zamani ya variable yanaendelea kutumika kwenye templates
     - yanaelekezwa kwenye rangi mpya za nembo bila kuhitaji kubadilisha
     kila template. */
  --ink-navy: var(--brand-green);
  --ink-navy-dark: var(--brand-green-dark);
  --gold: var(--brand-gold);
  --gold-soft: var(--brand-gold-soft);
  --green: var(--success);
  --green-soft: var(--success-soft);
  --red: var(--danger);
  --red-soft: var(--danger-soft);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  color: var(--brand-green);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

a { color: var(--brand-green); }

/* ---------- Letterhead / top bar ---------- */
.letterhead {
  background: var(--brand-green);
  background-image: linear-gradient(180deg, var(--brand-green) 0%, var(--brand-green-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.7rem 1.2rem;
  border-bottom: 3px solid var(--brand-gold);
  position: sticky;
  top: 0;
  z-index: 500;
}

.hamburger {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 6px;
  color: #fff;
  font-size: 1.1rem;
  width: 38px;
  height: 38px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.seal {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--brand-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--brand-gold);
  flex-shrink: 0;
  letter-spacing: 0.02em;
  overflow: hidden;
  background: #fff;
  padding: 2px;
}
.seal img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.letterhead .titles { line-height: 1.25; min-width: 0; }
.letterhead .titles .eyebrow {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-gold-soft);
  white-space: nowrap;
}
.letterhead .titles .school-name {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.letterhead .spacer { flex: 1; }
.letterhead .role-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  color: var(--brand-gold-soft);
  white-space: nowrap;
}

.lang-switcher { display: flex; gap: 0.3rem; margin-right: 0.6rem; }
.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--brand-gold-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}
.lang-btn.active { background: var(--brand-gold); color: var(--brand-green-dark); border-color: var(--brand-gold); }
.lang-btn-dark { border-color: var(--border); color: var(--text-muted); }
.lang-btn-dark.active { background: var(--brand-green); color: #fff; border-color: var(--brand-green); }

/* ---------- Layout shell ---------- */
.shell { display: flex; min-height: calc(100vh - 62px); position: relative; }

.sidenav {
  width: 230px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.1rem 0;
  flex-shrink: 0;
}
.sidenav a {
  display: block;
  padding: 0.6rem 1.3rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  border-left: 3px solid transparent;
}
.sidenav a:hover { background: var(--paper); border-left-color: var(--brand-gold); }
.sidenav a.nav-divider { margin-top: 0.8rem; border-top: 1px solid var(--border); padding-top: 0.9rem; }
.sidenav form.logout-form { margin: 0; }
.sidenav button.logout {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.6rem 1.3rem;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  color: var(--danger);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  margin-top: 0.3rem;
}
.sidenav button.logout:hover { background: var(--danger-soft); border-left-color: var(--danger); }

.sidenav-backdrop { display: none; }

.main { flex: 1; padding: 1.7rem 2rem; max-width: 980px; }

/* ---------- Cards / stat tiles ---------- */
.cards { display: flex; gap: 1rem; margin: 1rem 0 1.6rem; flex-wrap: wrap; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.3rem;
  flex: 1;
  min-width: 180px;
}
.card .stat { font-family: "Fraunces", Georgia, serif; font-size: 2rem; color: var(--brand-green); font-weight: 700; }
.card .label { color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--brand-green); color: #fff; }
.btn-primary:hover { background: var(--brand-green-dark); }
.btn-outline { background: transparent; border-color: var(--brand-green); color: var(--brand-green); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #832920; }
.btn-row { display: flex; gap: 0.6rem; margin-bottom: 1.2rem; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  max-width: 480px;
}
label { display: block; font-weight: 600; font-size: 0.84rem; margin: 0.85rem 0 0.3rem; color: var(--brand-green); }
input[type=text], input[type=password], input[type=file], select, textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 0.9rem;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--brand-gold);
  outline-offset: 1px;
}
.field-error { color: var(--danger); font-size: 0.8rem; margin-top: 0.2rem; }
.help-text { color: var(--text-muted); font-size: 0.82rem; }

/* ---------- Search box ---------- */
.search-box {
  width: 100%;
  padding: 0.6rem 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.9rem;
  color: var(--text);
}
.search-box:focus { outline: 2px solid var(--brand-gold); outline-offset: 1px; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.88rem; }
th { background: var(--brand-green); color: #fff; font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--paper); }

/* ---------- Status badges (flat, no rotation - professional/enterprise look) ---------- */
.stamp {
  display: inline-block;
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}
.stamp-sent { color: var(--success); background: var(--success-soft); }
.stamp-failed { color: var(--danger); background: var(--danger-soft); }

/* ---------- Messages (muted, consistent tones) ---------- */
.messages { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.messages li {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.86rem;
  border-left: 4px solid var(--brand-green);
  background: var(--surface);
}
.messages li.success { border-left-color: var(--success); background: var(--success-soft); }
.messages li.warning { border-left-color: var(--brand-gold); background: var(--info-soft); }
.messages li.error { border-left-color: var(--danger); background: var(--danger-soft); }
.messages li.info { border-left-color: var(--brand-green); background: var(--info-soft); }

/* ---------- Auth (login) ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  background-image: radial-gradient(circle at 20% 15%, rgba(216,166,30,0.08), transparent 45%);
  padding: 1.5rem;
}
.auth-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.1rem 2rem;
  width: 340px;
  max-width: 100%;
  text-align: center;
}
.auth-box .seal { margin: 0 auto 0.9rem; width: 64px; height: 64px; border-color: var(--brand-green); }
.auth-box h2 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.auth-box .subtitle { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 1.2rem; }
.auth-box form { text-align: left; }
.auth-box button { width: 100%; margin-top: 1rem; }

/* ---------- Confirmation modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 54, 32, 0.55);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  border-top: 4px solid var(--danger);
  max-width: 400px;
  width: 100%;
  padding: 1.6rem;
  text-align: center;
}
.modal-box h3 { color: var(--danger); margin-bottom: 0.6rem; }
.modal-box p { color: var(--text); margin-bottom: 1.2rem; font-size: 0.92rem; }
.modal-box .btn-row { justify-content: center; margin-bottom: 0; }

/* ---------- Utility ---------- */
.empty-state { color: var(--text-muted); font-style: italic; padding: 1.5rem; text-align: center; }
.section-title { margin-top: 2rem; }

/* =========================================================
   Responsive — hamburger drawer kwa simu na tablet
   ========================================================= */
@media (max-width: 900px) {
  .hamburger { display: inline-block; }

  .sidenav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 900;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 4px 0 18px rgba(0,0,0,0.18);
    overflow-y: auto;
    padding-top: 4.2rem;
  }
  .sidenav.open { transform: translateX(0); }

  .sidenav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 800;
  }
  .sidenav-backdrop.open { display: block; }

  .main { padding: 1.2rem; }
  .letterhead .titles .school-name { max-width: 40vw; }
}

@media (max-width: 480px) {
  .letterhead { padding: 0.6rem 0.8rem; gap: 0.6rem; }
  .letterhead .titles .eyebrow { display: none; }
  .lang-switcher { margin-right: 0.3rem; }
  .role-badge { display: none; }
}