/* Wimbledon Finance v2.0 - Complete Styles */

:root {
  --bg: #050814;
  --bg-soft: #070b19;
  --bg-card: #050816;
  --accent: #facc15;
  --accent-soft: rgba(250, 204, 21, 0.16);
  --danger: #f97373;
  --success: #4ade80;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: rgba(148, 163, 184, 0.25);
  --radius-lg: 16px;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.7);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --bg-card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(148, 163, 184, 0.3);
  --shadow-soft: 0 4px 20px rgba(15, 23, 42, 0.1);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, var(--bg-soft) 0, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
}

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

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.96), rgba(5, 8, 20, 0.8));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .navbar {
  background: linear-gradient(to bottom, rgba(248, 250, 252, 0.96), rgba(248, 250, 252, 0.8));
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.logo {
  width: 110px;
  height: 34px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(250, 204, 21, 0.65);
  background: #0b1020;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 11px;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 24px;
}

.nav-link {
  font-size: 13px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(234, 179, 8, 0.12);
}

.nav-link.active {
  color: #fefce8;
  background: var(--accent-soft);
  border: 1px solid rgba(250, 204, 21, 0.6);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tag-pill {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(250, 204, 21, 0.6);
  color: #fef9c3;
  background: rgba(250, 204, 21, 0.14);
}

.theme-toggle {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: rgba(148, 163, 184, 0.1);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.theme-toggle:hover {
  background: rgba(148, 163, 184, 0.2);
  color: var(--text);
}

/* MAIN WRAPPER */
.page {
  flex: 1;
  max-width: 1400px;
  margin: 16px auto 32px;
  padding: 0 20px 24px;
}

/* PAGE HEADER */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}

.page-title-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid rgba(250, 204, 21, 0.7);
  color: #fef9c3;
  background: rgba(202, 138, 4, 0.35);
}

.page-sub {
  font-size: 13px;
  color: var(--muted);
}

/* FILTERS */
.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.filter-group input,
.filter-group select {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  padding: 4px 8px;
  outline: none;
}

.btn-primary {
  border-radius: 999px;
  border: none;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: linear-gradient(to right, #facc15, #22c55e);
  color: #020617;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 12px 30px rgba(202, 138, 4, 0.55);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 38px rgba(202, 138, 4, 0.7);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.12s ease;
}

.btn-secondary:hover {
  background: rgba(148, 163, 184, 0.1);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* STATS CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 12px 13px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
}

.card:nth-child(1) {
  background: radial-gradient(circle at top left, rgba(250, 204, 21, 0.26), transparent 55%), var(--bg-card);
}
.card:nth-child(2) {
  background: radial-gradient(circle at top right, rgba(248, 113, 113, 0.18), transparent 55%), var(--bg-card);
}
.card:nth-child(3) {
  background: radial-gradient(circle at top left, rgba(52, 211, 153, 0.22), transparent 55%), var(--bg-card);
}
.card:nth-child(4) {
  background: radial-gradient(circle at top right, rgba(129, 140, 248, 0.32), transparent 55%), var(--bg-card);
}

.card-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.card-value {
  font-size: 18px;
  font-weight: 600;
}

.card-meta {
  font-size: 11px;
  color: var(--muted);
}

/* FORM PANEL */
.form-panel {
  background: var(--bg-card);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent);
}

/* TRANSACTIONS TABLE */
.transactions-wrapper {
  background: var(--bg-card);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  margin-bottom: 16px;
}

.transactions-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.transactions-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.transactions-subtitle {
  font-size: 11px;
  color: var(--muted);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg-soft);
  color: var(--muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr {
  transition: background 0.1s ease;
}

.data-table tbody tr:hover {
  background: rgba(250, 204, 21, 0.05);
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}

.badge-income {
  background: rgba(52, 211, 153, 0.2);
  color: #4ade80;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-expense {
  background: rgba(248, 113, 113, 0.2);
  color: #fb7185;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.badge-paid {
  background: rgba(52, 211, 153, 0.2);
  color: #4ade80;
}

.badge-unpaid {
  background: rgba(250, 204, 21, 0.2);
  color: #facc15;
}

.badge-overdue {
  background: rgba(248, 113, 113, 0.2);
  color: #f97373;
}

/* ACTION BUTTONS */
.action-buttons {
  display: flex;
  gap: 6px;
  align-items: center;
}

.btn-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  background: transparent;
  color: var(--muted);
}

.btn-icon:hover {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text);
}

.btn-icon.btn-success:hover {
  background: rgba(52, 211, 153, 0.2);
  color: var(--success);
}

.btn-icon.btn-danger:hover {
  background: rgba(248, 113, 113, 0.2);
  color: var(--danger);
}

.btn-icon.btn-warning:hover {
  background: rgba(250, 204, 21, 0.2);
  color: var(--accent);
}

/* CHECKBOX */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal {
  background: var(--bg-card);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  font-size: 24px;
}

.modal-close:hover {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text);
}

.modal-body {
  padding: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.detail-item {
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.detail-label {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}

.detail-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.installments-list {
  margin-top: 16px;
}

.installments-list-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--muted);
}

.installment-item {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.installment-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.installment-number {
  font-size: 12px;
  font-weight: 500;
}

.installment-date {
  font-size: 11px;
  color: var(--muted);
}

.installment-amount {
  font-size: 13px;
  font-weight: 600;
}

/* ALERT BOX */
.alert-box {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.alert-box.warning {
  background: rgba(250, 204, 21, 0.1);
  border: 1px solid rgba(250, 204, 21, 0.3);
  color: #facc15;
}

.alert-box.danger {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: #f97373;
}

.alert-box.info {
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.3);
  color: #818cf8;
}

/* HIDDEN */
.section-hidden {
  display: none;
}

.hidden {
  display: none !important;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .page {
    padding: 0 14px 20px;
  }
  
  .nav-inner {
    padding-inline: 14px;
  }
  
  .filters {
    flex-wrap: wrap;
  }
}

/* ICONS */
.icon {
  width: 16px;
  height: 16px;
}

.icon-sm {
  width: 14px;
  height: 14px;
}