:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #1b2a3a;
  --muted: #6b7c93;
  --primary: #1f7a8c;
  --primary-dark: #14606f;
  --accent: #e8f3f5;
  --border: #e2e8f0;
  --danger: #c0392b;
  --ok: #2e7d52;
  --warn: #b9770b;
  --shadow: 0 1px 3px rgba(16, 40, 60, .08), 0 6px 18px rgba(16, 40, 60, .06);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
.hidden { display: none !important; }

#topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 20px; color: var(--primary); }
#nav { display: flex; gap: 6px; flex: 1; }
#nav button {
  background: none; border: none; padding: 8px 14px; border-radius: 8px;
  cursor: pointer; color: var(--muted); font-size: 14px; font-weight: 600;
}
#nav button.active, #nav button:hover { background: var(--accent); color: var(--primary-dark); }
.user-box { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }

main { max-width: 1080px; margin: 0 auto; padding: 28px 24px 60px; }

/* Auth screens */
.auth-wrap { max-width: 460px; margin: 6vh auto; }
.auth-hero { text-align: center; margin-bottom: 22px; }
.auth-hero h1 { font-size: 30px; margin: 0 0 6px; color: var(--primary); }
.auth-hero p { color: var(--muted); margin: 0; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 18px; }
.card h3 { margin: 0 0 4px; font-size: 16px; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fbfdff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--primary); }
textarea { resize: vertical; min-height: 70px; }
.row { display: flex; gap: 12px; }
.row > div { flex: 1; }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: 8px; border: none;
  background: var(--primary); color: #fff; font-weight: 600; font-size: 14px; cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn-ghost { background: none; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg); color: var(--ink); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #96281b; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 18px; }

.link { color: var(--primary); cursor: pointer; font-weight: 600; }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tabs button { flex: 1; padding: 10px; border: 1px solid var(--border); background: var(--card);
  border-radius: 8px; cursor: pointer; font-weight: 600; color: var(--muted); }
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.active { background: #e3f4ea; color: var(--ok); }
.badge.pending { background: #fdf2dd; color: var(--warn); }
.badge.suspended, .badge.cancelled { background: #fbe6e3; color: var(--danger); }
.badge.scheduled { background: var(--accent); color: var(--primary-dark); }
.badge.completed { background: #e3f4ea; color: var(--ok); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.stat { text-align: center; }
.stat .num { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat .lbl { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.doc-card .meta { color: var(--muted); font-size: 13px; margin: 6px 0; }
.empty { text-align: center; color: var(--muted); padding: 28px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 10px;
  box-shadow: var(--shadow); z-index: 50; font-size: 14px; max-width: 90%;
}
.toast.err { background: var(--danger); }
.toast.ok { background: var(--ok); }

/* Public practice page */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff; border-radius: 16px; padding: 40px; margin-bottom: 28px;
}
.hero h1 { margin: 0 0 8px; font-size: 30px; }
.hero p { margin: 0 0 18px; opacity: .92; max-width: 620px; }
.hero .btn { background: #fff; color: var(--primary-dark); }
.hero .btn:hover { background: #eaf6f8; }
.section-title { font-size: 20px; margin: 8px 0 16px; }

.doc-card { display: flex; flex-direction: column; }
.doc-card .avatar {
  width: 52px; height: 52px; border-radius: 50%; background: var(--accent);
  color: var(--primary-dark); display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 20px; margin-bottom: 10px;
}
.doc-card .tags { margin: 8px 0; }
.tag { display: inline-block; background: var(--accent); color: var(--primary-dark);
  font-size: 12px; padding: 2px 10px; border-radius: 999px; margin: 0 4px 4px 0; }
.doc-card .spacer { flex: 1; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16, 40, 60, .45);
  display: flex; align-items: flex-start; justify-content: center; z-index: 40;
  padding: 40px 16px; overflow-y: auto;
}
.modal {
  background: var(--card); border-radius: 14px; padding: 26px; width: 100%;
  max-width: 520px; box-shadow: var(--shadow);
}
.modal h2 { margin-top: 0; }
.modal-close { float: right; cursor: pointer; color: var(--muted); font-size: 22px; line-height: 1; border: none; background: none; }

.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin: 12px 0; }
.slot-btn { padding: 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--card);
  cursor: pointer; font-size: 13px; font-weight: 600; }
.slot-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.slot-btn:hover { border-color: var(--primary); }

.record { border-left: 3px solid var(--primary); padding: 4px 0 4px 14px; margin-bottom: 18px; }
.record .when { font-weight: 700; }
.record dl { display: grid; grid-template-columns: 130px 1fr; gap: 4px 10px; margin: 8px 0 0; font-size: 14px; }
.record dt { color: var(--muted); font-weight: 600; }
.record dd { margin: 0; }
.note-box { background: var(--accent); border-radius: 8px; padding: 10px 12px; margin-top: 8px; font-size: 14px; }