/* ==========================================================================
   Admin panel - Dr. Ranjan Kalita website
   ========================================================================== */
:root {
  --adm-bg: #f3f5f9;
  --adm-surface: #ffffff;
  --adm-border: #e5e8ef;
  --adm-text: #1f2430;
  --adm-muted: #6b7385;
  --adm-side: #16181d;
  --adm-side-2: #1f2229;
  --adm-side-text: #a9afbd;
  --adm-primary: #3d5af1;
  --adm-primary-dark: #2c45cc;
  --adm-primary-soft: #eef1ff;
  --adm-radius: 14px;
  --adm-side-w: 260px;
}

body {
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--adm-bg);
  color: var(--adm-text);
  font-size: 15px;
}

a { color: var(--adm-primary); text-decoration: none; }
a:hover { color: var(--adm-primary-dark); }

.btn { border-radius: 10px; font-weight: 600; }
.btn-primary { --bs-btn-bg: var(--adm-primary); --bs-btn-border-color: var(--adm-primary); --bs-btn-hover-bg: var(--adm-primary-dark); --bs-btn-hover-border-color: var(--adm-primary-dark); --bs-btn-active-bg: var(--adm-primary-dark); --bs-btn-active-border-color: var(--adm-primary-dark); }
.btn-outline-primary { --bs-btn-color: var(--adm-primary); --bs-btn-border-color: var(--adm-primary); --bs-btn-hover-bg: var(--adm-primary); --bs-btn-hover-border-color: var(--adm-primary); --bs-btn-active-bg: var(--adm-primary); }
.btn-light { --bs-btn-bg: #f1f3f7; --bs-btn-border-color: #f1f3f7; --bs-btn-hover-bg: #e4e7ee; }
.form-control, .form-select { border-radius: 10px; border-color: #d9dde6; padding: .55rem .8rem; }
.form-control:focus, .form-select:focus { border-color: var(--adm-primary); box-shadow: 0 0 0 .2rem rgba(61, 90, 241, .15); }
.form-label { font-weight: 600; font-size: 14px; margin-bottom: .35rem; }
.form-text { color: var(--adm-muted); }
.input-group-text { border-radius: 10px; background: #f6f7fa; border-color: #d9dde6; }
.input-group > .form-control-color { max-width: 60px; padding: .3rem; }

/* ---------- Sidebar ---------- */
.adm-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--adm-side-w);
  background: var(--adm-side);
  color: var(--adm-side-text);
  display: flex;
  flex-direction: column;
  z-index: 1040;
  transition: transform .3s ease;
}

.adm-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.adm-brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, .15);
}

.adm-brand strong { display: block; color: #fff; font-size: 15px; line-height: 1.2; }
.adm-brand small { color: var(--adm-side-text); font-size: 12px; }

.adm-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 12px 20px;
}

.adm-nav-head {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #5f6676;
  padding: 18px 12px 8px;
}

.adm-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin-bottom: 2px;
  border-radius: 10px;
  color: var(--adm-side-text);
  font-weight: 600;
  font-size: 14.5px;
  transition: background .2s ease, color .2s ease;
}

.adm-nav a i { font-size: 17px; width: 20px; text-align: center; }
.adm-nav a span { flex: 1; }
.adm-nav a:hover { background: var(--adm-side-2); color: #fff; }
.adm-nav a.active { background: var(--adm-primary); color: #fff; box-shadow: 0 6px 16px rgba(61, 90, 241, .35); }

.adm-pill {
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  min-width: 22px;
  padding: 2px 7px;
  border-radius: 20px;
  background: #ef4444;
  color: #fff;
  text-align: center;
}

.adm-sidebar-foot {
  padding: 14px 20px;
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.adm-sidebar-foot a { color: var(--adm-side-text); font-size: 14px; font-weight: 600; }
.adm-sidebar-foot a:hover { color: #fff; }

.adm-overlay { display: none; }

/* ---------- Main ---------- */
.adm-main {
  margin-left: var(--adm-side-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.adm-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  background: rgba(243, 245, 249, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--adm-border);
}

.adm-topbar h1 {
  flex: 1;
  margin: 0;
  font-size: 21px;
  font-weight: 800;
}

.adm-burger {
  display: none;
  border: 0;
  background: var(--adm-surface);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 22px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
}

.adm-user .dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  font-weight: 700;
  color: var(--adm-text);
}

.adm-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--adm-primary);
  color: #fff;
  font-weight: 800;
}

.adm-content { flex: 1; padding: 26px 28px 10px; }
.adm-footer { padding: 18px 28px; color: var(--adm-muted); font-size: 13px; }

.adm-alert { border-radius: 12px; border: 0; }

/* ---------- Cards / page head ---------- */
.adm-card {
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: var(--adm-radius);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
  overflow: hidden;
}

.adm-card-head {
  background: transparent;
  padding: 18px 22px;
  border-bottom: 1px solid var(--adm-border);
}

.adm-card-head h2 { font-size: 17px; font-weight: 800; margin: 0; }
.adm-card-head p { color: var(--adm-muted); font-size: 14px; margin: 6px 0 0; }

.adm-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.adm-intro { color: var(--adm-muted); margin: 0; max-width: 760px; }
.adm-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.adm-back { font-weight: 700; }
.adm-hint { color: var(--adm-muted); font-size: 13px; margin-top: 12px; }

.adm-tabs {
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.adm-tabs .nav-link {
  border-radius: 50px;
  padding: 7px 16px;
  font-weight: 700;
  font-size: 14px;
  color: var(--adm-muted);
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
}

.adm-tabs .nav-link.active { color: #fff; background: var(--adm-primary); border-color: var(--adm-primary); }

/* ---------- Tables ---------- */
.adm-table thead th {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--adm-muted);
  background: #fafbfd;
  border-bottom: 1px solid var(--adm-border);
  padding: 12px 16px;
  white-space: nowrap;
}

.adm-table td { padding: 12px 16px; border-color: #eef0f4; }
.adm-table tbody tr:hover { background: #fafbff; }
.adm-col-thumb { width: 80px; }

.adm-thumb {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.adm-thumb.rounded-circle { width: 48px; height: 48px; }
.adm-thumb-empty { background: #f1f3f7; color: #b5bbc8; }

.adm-icon-cell {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--adm-primary-soft);
  color: var(--adm-primary);
}

.adm-title { font-weight: 700; color: var(--adm-text); }
.adm-title:hover { color: var(--adm-primary); }
.adm-sub { color: var(--adm-muted); font-size: 13px; margin-top: 2px; }
.adm-badge { background: var(--adm-primary-soft); color: var(--adm-primary); font-weight: 700; }

.adm-row-hidden td { opacity: .55; }

.adm-status {
  white-space: nowrap;
  border: 0;
  border-radius: 50px;
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 700;
}

.adm-status.on { background: #e7f8ee; color: #138a48; }
.adm-status.off { background: #f1f3f7; color: #7a8090; }

.adm-unread td { background: #f7f9ff; }
.adm-unread .adm-title { color: var(--adm-primary); }

.adm-empty { text-align: center; padding: 50px 20px; color: var(--adm-muted); }
.adm-empty i { font-size: 40px; color: #c6cbd6; display: block; margin-bottom: 8px; }

/* ---------- Forms ---------- */
.adm-form .card-body { padding: 24px 22px; }
.adm-form-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #fafbfd;
  border-top: 1px solid var(--adm-border);
  padding: 14px 22px;
}

.adm-switch { padding-top: 6px; }
.adm-switch .form-check-input { width: 2.6em; height: 1.35em; cursor: pointer; }
.adm-switch .form-check-input:checked { background-color: var(--adm-primary); border-color: var(--adm-primary); }
.adm-switch .form-check-label { font-weight: 600; padding-left: 6px; padding-top: 2px; cursor: pointer; }

.adm-file { border: 1px dashed #cfd5e1; border-radius: 12px; padding: 12px; background: #fbfcfe; }
.adm-file.is-invalid { border-color: #dc3545; }
.adm-file-current { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.adm-file-current img { max-height: 90px; max-width: 160px; border-radius: 8px; object-fit: cover; box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }
.adm-file-doc { font-weight: 700; }
.adm-file-doc i { color: #dc3545; font-size: 20px; }
.adm-remove { margin: 0; font-size: 13px; color: #b42318; }
.adm-file-new img { max-height: 90px; border-radius: 8px; margin-top: 10px; }

.adm-icon-picks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.adm-icon-picks .btn { width: 38px; height: 34px; padding: 0; }

/* ---------- Settings ---------- */
.adm-settings { display: grid; grid-template-columns: 230px 1fr; gap: 20px; align-items: start; }

.adm-settings-nav {
  position: sticky;
  top: 86px;
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  border-radius: var(--adm-radius);
  padding: 8px;
}

.adm-settings-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  color: var(--adm-text);
}

.adm-settings-nav a i { color: var(--adm-muted); font-size: 16px; }
.adm-settings-nav a:hover { background: #f4f6fb; }
.adm-settings-nav a.active { background: var(--adm-primary-soft); color: var(--adm-primary); }
.adm-settings-nav a.active i { color: var(--adm-primary); }

/* ---------- Dashboard ---------- */
.adm-welcome { margin-bottom: 18px; background: linear-gradient(120deg, #1d2030, #2c3150); color: #fff; border: 0; }
.adm-welcome .card-body { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 28px; }
.adm-welcome h2 { font-weight: 800; font-size: 22px; margin-bottom: 6px; }
.adm-welcome p { margin: 0; color: #c7cbe0; }
.adm-welcome-stat { text-align: right; }
.adm-welcome-stat span { display: block; font-size: 34px; font-weight: 800; line-height: 1; }
.adm-welcome-stat small { color: #c7cbe0; }

.adm-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  height: 100%;
  padding: 18px;
  border-radius: var(--adm-radius);
  background: var(--adm-surface);
  border: 1px solid var(--adm-border);
  color: var(--adm-text);
  transition: transform .2s ease, box-shadow .2s ease;
}

.adm-stat:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(16, 24, 40, .08); color: var(--adm-text); }
.adm-stat i { font-size: 22px; color: var(--adm-primary); margin-bottom: 6px; }
.adm-stat strong { font-size: 26px; font-weight: 800; line-height: 1.1; }
.adm-stat span { color: var(--adm-muted); font-size: 13px; font-weight: 600; }

.adm-msg-row { padding: 12px 22px; }
.adm-msg-row.unread { background: #f7f9ff; }
.adm-msg-row.unread strong { color: var(--adm-primary); }

.adm-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.adm-quick a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #f6f7fb;
  color: var(--adm-text);
  font-weight: 700;
  font-size: 14px;
}

.adm-quick a i { color: var(--adm-primary); font-size: 18px; }
.adm-quick a:hover { background: var(--adm-primary-soft); }

.adm-message-body { font-size: 16px; line-height: 1.75; white-space: normal; word-wrap: break-word; }

/* ---------- Bulk upload ---------- */
.adm-drop {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 40px 20px;
  border: 2px dashed #c9d0de;
  border-radius: 16px;
  background: #fafbfe;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}

.adm-drop:hover, .adm-drop.drag { border-color: var(--adm-primary); background: var(--adm-primary-soft); }
.adm-drop i { font-size: 40px; color: var(--adm-primary); }
.adm-drop span { color: var(--adm-muted); font-size: 14px; }
.adm-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.adm-drop-preview { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.adm-drop-preview img { width: 96px; height: 72px; object-fit: cover; border-radius: 8px; }

/* ---------- Login ---------- */
.adm-login-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 20%, rgba(61, 90, 241, .25), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(236, 236, 236, .08), transparent 40%),
    #16181d;
}

.adm-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }

.adm-login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 22px;
  padding: 36px 32px 28px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .35);
  text-align: center;
}

.adm-login-card form { text-align: left; }
.adm-login-photo { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; margin-bottom: 14px; box-shadow: 0 6px 18px rgba(0, 0, 0, .15); }
.adm-login-card h1 { font-size: 22px; font-weight: 800; margin-bottom: 2px; }
.adm-login-sub { color: var(--adm-muted); margin-bottom: 22px; }
.adm-login-back { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 700; color: var(--adm-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .adm-sidebar { transform: translateX(-100%); }
  .adm-sidebar.open { transform: translateX(0); }
  .adm-overlay.open { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 1035; }
  .adm-main { margin-left: 0; }
  .adm-burger { display: inline-flex; align-items: center; justify-content: center; }
  .adm-content { padding: 18px 14px 6px; }
  .adm-topbar { padding: 12px 14px; }
  .adm-topbar h1 { font-size: 18px; }
  .adm-settings { grid-template-columns: 1fr; }
  .adm-settings-nav { position: static; display: flex; overflow-x: auto; gap: 4px; }
  .adm-settings-nav a { white-space: nowrap; }
  .adm-quick { grid-template-columns: 1fr; }
}