:root {
  --bg: #0b1220;
  --bg2: #0f1a2f;
  --card: rgba(255, 255, 255, .06);
  --card2: rgba(255, 255, 255, .08);
  --border: rgba(255, 255, 255, .10);
  --text: rgba(255, 255, 255, .92);
  --muted: rgba(255, 255, 255, .65);

  --primary: #6ee7ff;
  --primary2: #a78bfa;
  --danger: #ff6b6b;
  --ok: #34d399;

  --shadow: 0 20px 50px rgba(0, 0, 0, .35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 20% 10%, rgba(110, 231, 255, .20), transparent 60%),
    radial-gradient(900px 650px at 90% 20%, rgba(167, 139, 250, .18), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 18px 60px;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  box-shadow: 0 0 18px rgba(110, 231, 255, .35);
}

.brand strong {
  font-weight: 700;
  letter-spacing: .2px;
}

.brand span {
  color: var(--muted);
  font-size: 12.5px;
}

.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .03);
  border-radius: 999px;
  color: var(--muted);
  transition: .15s ease;
}

.nav a:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, .06);
  color: var(--text);
}

.nav a.active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(110, 231, 255, .18), rgba(167, 139, 250, .18));
  border-color: rgba(255, 255, 255, .16);
}

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, .03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.h1 {
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: .2px;
}

.p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.45;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 860px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.hr {
  height: 1px;
  background: rgba(255, 255, 255, .10);
  margin: 14px 0;
}

/* Inputs */
label {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 0 6px;
}

input,
select {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(0, 0, 0, .25);
  color: var(--text);
  outline: none;
}

input:focus,
select:focus {
  border-color: rgba(110, 231, 255, .35);
  box-shadow: 0 0 0 4px rgba(110, 231, 255, .12);
}

.help {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

/* Buttons */
.btn {
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  cursor: pointer;
  transition: .15s ease;
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, .08);
}

.btn.primary {
  border-color: rgba(110, 231, 255, .30);
  background: linear-gradient(90deg, rgba(110, 231, 255, .20), rgba(167, 139, 250, .20));
}

.btn.danger {
  border-color: rgba(255, 107, 107, .30);
  background: rgba(255, 107, 107, .12);
}

.btn.ghost {
  background: transparent;
}

/* Table */
.table-wrap {
  overflow: auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .10);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  background: rgba(0, 0, 0, .18);
}

th,
td {
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  text-align: left;
  font-size: 13.5px;
}

th {
  color: var(--muted);
  font-weight: 600;
}

tr:hover td {
  background: rgba(255, 255, 255, .03);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  font-size: 12px;
  color: var(--muted);
}

.badge.ok {
  border-color: rgba(52, 211, 153, .25);
  color: rgba(52, 211, 153, .95);
  background: rgba(52, 211, 153, .10);
}

.badge.warn {
  border-color: rgba(110, 231, 255, .25);
  color: rgba(110, 231, 255, .95);
  background: rgba(110, 231, 255, .10);
}

.badge.off {
  border-color: rgba(255, 107, 107, .25);
  color: rgba(255, 107, 107, .95);
  background: rgba(255, 107, 107, .10);
}

.error {
  border: 1px solid rgba(255, 107, 107, .25);
  background: rgba(255, 107, 107, .10);
  color: rgba(255, 255, 255, .92);
  padding: 12px 14px;
  border-radius: 14px;
  margin: 12px 0;
}

/* Toggle switch */
.switch {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(0, 0, 0, .22);
  cursor: pointer;
}

.switch .knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .85);
  transition: .15s ease;
}

.switch.on {
  background: rgba(52, 211, 153, .18);
  border-color: rgba(52, 211, 153, .25);
}

.switch.on .knob {
  left: 21px;
  background: rgba(52, 211, 153, .95);
}

/* Grid 3 kolonlu */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 960px) {
  .grid3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .grid3 {
    grid-template-columns: 1fr;
  }
}

/* Kısayol Kartları */
.shortcut-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, .02));
  border-radius: var(--radius);
  transition: .2s ease;
}

.shortcut-card:hover {
  transform: translateY(-2px);
  border-color: rgba(110, 231, 255, .25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
}

.shortcut-card .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 22px;
  background: linear-gradient(135deg, rgba(110, 231, 255, .15), rgba(167, 139, 250, .15));
  border: 1px solid rgba(255, 255, 255, .08);
}

.shortcut-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.shortcut-card .desc {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.shortcut-card .stat {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Yaklaşan randevu listesi */
.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.upcoming-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, .2);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .06);
}

.upcoming-item .time {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  min-width: 70px;
}

.upcoming-item .name {
  font-size: 13px;
  flex: 1;
}

.upcoming-item .type {
  font-size: 11px;
  color: var(--muted);
  padding: 4px 8px;
  background: rgba(255, 255, 255, .05);
  border-radius: 999px;
}

/* Randevu Kartları */
.appointments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.appointment-card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, .02));
  border-radius: var(--radius);
  overflow: hidden;
  transition: .2s ease;
}

.appointment-card:hover {
  border-color: rgba(110, 231, 255, .25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .3);
}

.appointment-card.cancelled {
  opacity: 0.6;
}

.appt-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(0, 0, 0, .2);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.appt-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 48px;
  padding: 8px;
  background: linear-gradient(135deg, rgba(110, 231, 255, .15), rgba(167, 139, 250, .15));
  border-radius: 10px;
}

.appt-date .day {
  font-size: 20px;
  font-weight: 700;
}

.appt-date .month {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
}

.appt-time {
  flex: 1;
}

.appt-time .hour {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
}

.appt-time .duration {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.appt-body {
  padding: 16px;
}

.appt-customer {
  margin-bottom: 8px;
}

.appt-customer .name {
  font-size: 16px;
  font-weight: 600;
  display: block;
}

.appt-customer .phone {
  font-size: 13px;
  color: var(--primary2);
}

.appt-service {
  margin-top: 8px;
}

.appt-notes {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.appt-actions {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  background: rgba(0, 0, 0, .15);
}

.appt-actions .btn {
  padding: 6px 12px;
  font-size: 12px;
}