*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple: #D83C4A;
  --purple-dark: #b8303d;
  --purple-light: #e05f6b;
  --teal: #3B9B7C;
  --orange: #D83C4A;
  --text: #1a1a1a;
  --text-muted: #666;
  --bg: #f4f6f5;
  --card: #ffffff;
  --border: #e0e4e2;
  --shadow: 0 2px 8px rgba(216,60,74,.10);
  --sidebar-w: 220px;
  --nav-h: 56px;
}

body { font-family: 'Inter', Arial, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: var(--purple); display: flex; align-items: center;
  justify-content: space-between; padding: 0 24px; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.navbar-brand { display: flex; align-items: center; gap: 10px; }
.navbar-brand .brand-dot { width: 28px; height: 28px; background: var(--teal); border-radius: 50%; display: grid; place-items: center; }
.navbar-brand .brand-dot span { color:#fff; font-weight:700; font-size:13px; }
.navbar-title { color: #fff; font-size: 15px; font-weight: 600; letter-spacing: .3px; }
.navbar-user { display: flex; align-items: center; gap: 16px; color: rgba(255,255,255,.85); font-size: 13px; }
.navbar-user a { color: rgba(255,255,255,.7); text-decoration: none; padding: 5px 12px; border: 1px solid rgba(255,255,255,.3); border-radius: 20px; transition: all .2s; }
.navbar-user a:hover { background: rgba(255,255,255,.15); color: #fff; }

/* ── Layout ── */
.layout { display: flex; padding-top: var(--nav-h); min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--border);
  position: fixed; top: var(--nav-h); bottom: 0; overflow-y: auto; padding: 24px 0;
}
.sidebar-section { padding: 0 16px 8px; font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 20px;
  color: var(--text-muted); text-decoration: none; font-size: 14px;
  border-left: 3px solid transparent; transition: all .2s; margin-bottom: 2px;
}
.sidebar-nav a:hover { color: var(--purple); background: rgba(216,60,74,.06); }
.sidebar-nav a.active { color: var(--purple); font-weight: 600; border-left-color: var(--purple); background: rgba(216,60,74,.08); }
.sidebar-nav .nav-icon { width: 18px; height: 18px; opacity: .7; }

.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 32px; min-width: 0; }

/* ── Page header ── */
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 22px; font-weight: 700; color: var(--text); }
.page-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

/* ── Cards ── */
.card { background: var(--card); border-radius: 10px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.card-header { padding: 18px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.card-header h2 { font-size: 16px; font-weight: 600; }
.card-body { padding: 24px; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ── Stat cards (dashboard) ── */
.stat-card { background: var(--card); border-radius: 10px; padding: 20px 24px; box-shadow: var(--shadow); border: 1px solid var(--border); display: flex; align-items: center; gap: 16px; }
.stat-icon { width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0; }
.stat-icon.purple { background: rgba(216,60,74,.12); }
.stat-icon.teal   { background: rgba(59,155,124,.12); }
.stat-icon.orange { background: rgba(216,60,74,.12); }
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 26px; font-weight: 700; line-height: 1.2; }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
.form-label span.req { color: var(--orange); }
.form-control {
  display: block; width: 100%; padding: 9px 12px; border: 1.5px solid var(--border);
  border-radius: 6px; font-size: 14px; color: var(--text); background: #fff;
  transition: border-color .2s, box-shadow .2s; font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px rgba(216,60,74,.12); }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 20px;
  border: none; border-radius: 6px; font-size: 14px; font-weight: 500;
  cursor: pointer; text-decoration: none; transition: all .18s; font-family: inherit;
}
.btn-primary   { background: var(--purple); color: #fff; }
.btn-primary:hover   { background: var(--purple-dark); }
.btn-teal      { background: var(--teal); color: #fff; }
.btn-teal:hover      { background: #2e7d62; }
.btn-outline   { background: transparent; color: var(--purple); border: 1.5px solid var(--purple); }
.btn-outline:hover   { background: rgba(216,60,74,.06); }
.btn-danger    { background: #e53935; color: #fff; }
.btn-danger:hover    { background: #c62828; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }

/* ── Alerts / Flash ── */
.alert { padding: 12px 16px; border-radius: 6px; font-size: 14px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.alert-success { background: #e8f5e9; color: #2e7d32; border-left: 4px solid #4caf50; }
.alert-error   { background: #ffebee; color: #c62828; border-left: 4px solid #e53935; }
.alert-info    { background: #e3f2fd; color: #1565c0; border-left: 4px solid #2196f3; }
.alert-warning { background: #fff8e1; color: #e65100; border-left: 4px solid #ff9800; }

/* ── Login page ── */
.login-wrapper { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #b8303d 0%, #3B9B7C 100%); }
.login-card { width: 100%; max-width: 400px; background: var(--card); border-radius: 14px; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,.25); }
.login-header { background: var(--purple); padding: 36px 32px 28px; text-align: center; }
.login-header p  { color: rgba(255,255,255,.8); font-size: 13px; margin-top: 0; }
.login-body { padding: 32px; }
.login-body .btn-primary { width: 100%; justify-content: center; padding: 11px; margin-top: 4px; }

/* ── Photo gallery grid ── */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.photo-item { border-radius: 8px; overflow: hidden; border: 2px solid var(--border); cursor: pointer; transition: all .2s; background: #f5f5f5; }
.photo-item:hover { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(216,60,74,.15); }
.photo-item.selected { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(59,155,124,.2); }
.photo-item img { display: block; width: 100%; height: 120px; object-fit: cover; }
.photo-item .photo-info { padding: 7px 8px; }
.photo-item .photo-name { font-size: 11px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.photo-item .photo-size { font-size: 10px; color: var(--text-muted); }
.photo-actions { display: flex; gap: 6px; padding: 0 8px 8px; }

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--purple-light); border-radius: 10px; padding: 32px;
  text-align: center; cursor: pointer; transition: all .2s; background: rgba(216,60,74,.03);
}
.upload-zone:hover, .upload-zone.drag-over { background: rgba(216,60,74,.08); border-color: var(--purple); }
.upload-zone .upload-icon { font-size: 36px; margin-bottom: 8px; }
.upload-zone p { color: var(--text-muted); font-size: 14px; }
.upload-zone strong { color: var(--purple); }
.upload-zone input[type=file] { display: none; }

/* ── Signature preview ── */
.sig-preview-wrap {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 20px; overflow-x: auto;
}
.sig-scale-wrap { transform-origin: top left; display: inline-block; }

/* ── Modal ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200; place-items: center; }
.modal-overlay.open { display: grid; }
.modal { background: #fff; border-radius: 12px; padding: 28px; max-width: 720px; width: 95%; max-height: 90vh; overflow-y: auto; box-shadow: 0 24px 64px rgba(0,0,0,.2); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-header h3 { font-size: 17px; font-weight: 600; }
.modal-close { background: none; border: none; cursor: pointer; font-size: 22px; color: var(--text-muted); line-height: 1; padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { background: var(--bg); }

/* ── Final signature output ── */
.sig-output-box { background: #f9f9fb; border: 1px solid var(--border); border-radius: 8px; padding: 16px; font-family: monospace; font-size: 12px; max-height: 200px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; }

/* ── Settings tabs ── */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn { padding: 10px 20px; border: none; background: none; cursor: pointer; font-size: 14px; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -2px; font-family: inherit; transition: all .2s; }
.tab-btn.active { color: var(--purple); font-weight: 600; border-bottom-color: var(--purple); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Misc ── */
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-3 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-purple { background: rgba(216,60,74,.12); color: var(--purple); }
.badge-teal   { background: rgba(59,155,124,.12); color: #2e7d62; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
}