:root {
  --bg-deep: #0c0b0a;
  --bg-panel: #141210;
  --bg-elevated: #1c1916;
  --bg-hover: #252018;
  --border: rgba(196, 132, 74, 0.18);
  --border-strong: rgba(196, 132, 74, 0.35);
  --text: #e8dfd3;
  --text-muted: #9a8f82;
  --text-faint: #6b6258;
  --accent: #c4844a;
  --accent-soft: rgba(196, 132, 74, 0.12);
  --accent-glow: rgba(196, 132, 74, 0.25);
  --call: #7eb8da;
  --sms: #b8a0e8;
  --internet: #6ecf8a;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --serif: "Instrument Serif", Georgia, serif;
  --sidebar-w: 280px;
  --radius: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(196, 132, 74, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%, rgba(126, 184, 218, 0.05), transparent 50%),
    var(--bg-deep);
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar__header {
  padding: 28px 22px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar__eyebrow {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.sidebar__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
}

.sidebar__subtitle {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar__nav {
  flex: 1;
  padding: 12px 10px 24px;
  overflow-y: auto;
}

.period-group {
  margin-top: 18px;
}

.period-group__year {
  margin: 0 0 8px 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.period-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 4px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.period-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.period-btn.is-active {
  background: var(--accent-soft);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: inset 3px 0 0 var(--accent);
}

.period-btn--all {
  margin-bottom: 8px;
}

.period-btn__label {
  line-height: 1.35;
}

.period-btn__meta {
  margin-top: 3px;
  font-size: 10px;
  color: var(--text-faint);
}

.period-btn.is-active .period-btn__meta {
  color: var(--accent);
}

/* Main */
.main {
  padding: 28px 32px 40px;
  min-width: 0;
}

.main__header {
  margin-bottom: 24px;
}

.main__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  color: var(--text);
}

.main__range {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 20px;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
}

.tab {
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab:hover {
  color: var(--text);
}

.tab.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: 0 0 0 1px var(--border-strong);
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 220px;
  max-width: 360px;
  padding: 0 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.search__icon {
  color: var(--text-faint);
  font-size: 16px;
}

.search__input {
  flex: 1;
  padding: 10px 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  outline: none;
}

.search__input::placeholder {
  color: var(--text-faint);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 16px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-card__label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.stat-card__value {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.stat-card__sub {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--accent);
}

/* Table panel */
.table-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table-panel__toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.table-panel__count {
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.page-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text);
}

.page-btn.is-active {
  background: var(--accent-soft);
  border-color: var(--border-strong);
  color: var(--accent);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-info {
  padding: 0 8px;
  font-size: 11px;
  color: var(--text-faint);
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 16px;
  border-bottom: 1px solid rgba(196, 132, 74, 0.08);
  vertical-align: top;
}

.data-table tbody tr {
  transition: background 0.12s;
}

.data-table tbody tr:hover {
  background: rgba(196, 132, 74, 0.04);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.cell-date {
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 12px;
}

.cell-tur {
  color: var(--text);
  font-size: 12px;
}

.cell-aciklama {
  color: var(--text);
  word-break: break-word;
}

.cell-miktar {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.cell-ucret {
  white-space: nowrap;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--arama {
  background: rgba(126, 184, 218, 0.12);
  color: var(--call);
}

.badge--sms {
  background: rgba(184, 160, 232, 0.12);
  color: var(--sms);
}

.badge--internet {
  background: rgba(110, 207, 138, 0.12);
  color: var(--internet);
}

.empty-state {
  padding: 48px 16px !important;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}

.loading-overlay {
  opacity: 0.55;
  pointer-events: none;
}

@media (max-width: 1100px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.sidebar__nav--periods {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.sidebar__nav--links {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.nav-link {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 4px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 12px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.nav-link:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-link.is-active {
  background: var(--accent-soft);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-link--back {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-faint);
}

.search--wide {
  max-width: none;
  flex: 1;
}

.stats--3 {
  grid-template-columns: repeat(3, 1fr);
}

.stat-card__value--sm {
  font-size: 14px;
  line-height: 1.4;
  font-weight: 500;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  box-shadow: var(--shadow);
}

.contact-card:hover {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.contact-card__number {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.contact-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: var(--accent);
}

.contact-card__dates {
  font-size: 10px;
  color: var(--text-faint);
}

@media (max-width: 1100px) {
  .stats--3 {
    grid-template-columns: 1fr;
  }
}

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

  .sidebar {
    position: relative;
    height: auto;
    max-height: 40vh;
  }

  .main {
    padding: 20px 16px 32px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search {
    max-width: none;
  }
}