:root {
  --bg1: #1e1b4b;
  --bg2: #4c1d95;
  --blue: #38bdf8;
  --amber: #fbbf24;
  --green: #34d399;
  --card: rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --red: #f87171;
}

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

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--bg1), var(--bg2) 60%, #0f172a);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ── Login ─────────────────────────────── */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.login-logo { font-size: 44px; margin-bottom: 8px; }
.login-card h1 { font-size: 26px; letter-spacing: 0.5px; }
.login-sub { color: var(--muted); margin: 6px 0 24px; font-size: 14px; }
.login-card input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.login-card input:focus { border-color: var(--blue); }
.login-card button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  color: #0f172a;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.login-card button:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(56, 189, 248, 0.35); }
.login-error { color: var(--red); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ── Topbar ────────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.55);
}
.brand { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }
.topbar-right { display: flex; gap: 8px; align-items: center; }
.btn-sm { padding: 6px 12px; font-size: 13px; text-decoration: none; }

/* ── Board layout ──────────────────────── */
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 24px 28px;
  align-items: start;
  max-width: 1600px;
  margin: 0 auto;
}
.col {
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px;
  min-height: 60vh;
}
.col h2 {
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.col-customers .dot { background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.col-appointments .dot { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.col-bound .dot { background: var(--green); box-shadow: 0 0 10px var(--green); }

.count {
  margin-left: auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  font-size: 12px;
  padding: 2px 10px;
  color: var(--muted);
}

.hint { font-size: 12px; color: var(--muted); margin: 10px 2px 0; font-style: italic; }

/* ── Add forms ─────────────────────────── */
.add-form {
  background: var(--card);
  border: 1px dashed var(--card-border);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.add-form label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.add-form input {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 14px;
  outline: none;
  color-scheme: dark;
}
.add-form input:focus { border-color: var(--blue); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  color: #0f172a;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-blue { background: linear-gradient(90deg, #38bdf8, #0ea5e9); }
.btn-amber { background: linear-gradient(90deg, #fbbf24, #f59e0b); }

/* ── Cards ─────────────────────────────── */
.cards { display: flex; flex-direction: column; gap: 10px; }
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--muted);
  border-radius: 12px;
  padding: 12px 14px;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  animation: pop 0.25s ease;
}
@keyframes pop { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }

.card-customer { border-left-color: var(--blue); cursor: grab; }
.card-customer:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(56, 189, 248, 0.18); }
.card-customer:active { cursor: grabbing; }
.card.dragging { opacity: 0.4; }

.card-appt { border-left-color: var(--amber); transition: all 0.15s; }
.card-appt.drop-hover {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--amber), 0 8px 30px rgba(251, 191, 36, 0.3);
  transform: scale(1.02);
}

.card-bound { border-left-color: var(--green); }

.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.card-name { font-weight: 700; font-size: 15px; }
.card-meta { color: var(--muted); font-size: 13px; margin-top: 4px; line-height: 1.5; }
.card-meta b { color: var(--text); font-weight: 600; }

.icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 6px;
  opacity: 0.6;
  transition: all 0.15s;
  flex-shrink: 0;
}
.icon-btn:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }
.icon-btn.del:hover { background: rgba(248, 113, 113, 0.2); }

.bound-pair { display: flex; flex-direction: column; gap: 6px; }
.bound-section { font-size: 13px; }
.bound-section .tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  display: block;
  margin-bottom: 2px;
}
.bound-link { text-align: center; color: var(--green); font-size: 12px; }

.note-input {
  width: 100%;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 8px 10px;
  resize: vertical;
  min-height: 40px;
  font-family: inherit;
  outline: none;
}
.note-input:focus { border-color: var(--green); }

.unbind-btn {
  width: 100%;
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 8px;
  padding: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.unbind-btn:hover { background: rgba(52, 211, 153, 0.15); }

.empty { color: var(--muted); font-size: 13px; text-align: center; padding: 18px 0; font-style: italic; }

/* ── Tabs / pages ──────────────────────── */
.tabs { display: flex; gap: 8px; }
.tab {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  border-color: transparent;
  color: #0f172a;
  font-weight: 700;
}
.tab.active .count { background: rgba(0, 0, 0, 0.15); border-color: transparent; color: #0f172a; }

.page-view { padding: 24px 28px; max-width: 820px; margin: 0 auto; }
.page-view .col { min-height: 50vh; }

.col-finished .dot { background: #a78bfa; box-shadow: 0 0 10px #a78bfa; }
.col-expired .dot { background: var(--red); box-shadow: 0 0 10px var(--red); }
.card-finished { border-left-color: #a78bfa; }
.card-expired { border-left-color: var(--red); }
.card-finished .note-ro {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 8px 10px;
  white-space: pre-wrap;
}

/* ── Info (detail) modal rows ──────────── */
.info-rows { display: flex; flex-direction: column; gap: 12px; }
.info-row { display: flex; flex-direction: column; gap: 2px; }
.info-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.info-value {
  font-size: 19px;
  font-weight: 600;
  user-select: text;
  cursor: text;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 8px 12px;
  word-break: break-word;
}
.card-appt { cursor: pointer; }

/* ── Modal ─────────────────────────────── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal {
  background: #1e293b;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: pop 0.2s ease;
}
.modal h3 { font-size: 17px; margin-bottom: 14px; }
.modal .add-form { margin-bottom: 0; background: transparent; border: none; padding: 0; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }
.modal-actions .btn-ghost, .modal-actions .btn { padding: 9px 18px; }

/* ── Toast ─────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #0f172a;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.error { border-color: var(--red); color: var(--red); }

/* ── Responsive ────────────────────────── */
@media (max-width: 1000px) {
  .board { grid-template-columns: 1fr; padding: 16px; }
  .col { min-height: auto; }
}