/* ============================================================
   BONBON CREDIT PWA — Design System
   ============================================================ */

:root {
  --bg-base:       #0b0d14;
  --bg-surface:    #111520;
  --bg-elevated:   #181d2e;
  --bg-glass:      rgba(24, 29, 46, 0.72);
  --bg-card:       #1a2035;

  --accent:        #f59e0b;
  --accent-soft:   rgba(245, 158, 11, 0.12);
  --accent-glow:   rgba(245, 158, 11, 0.25);

  --danger:        #ef4444;
  --danger-soft:   rgba(239, 68, 68, 0.12);
  --success:       #22c55e;
  --success-soft:  rgba(34, 197, 94, 0.12);
  --warning:       #f97316;
  --warning-soft:  rgba(249, 115, 22, 0.12);
  --info:          #3b82f6;
  --info-soft:     rgba(59, 130, 246, 0.12);

  --text-primary:   #f0f4ff;
  --text-secondary: #8892aa;
  --text-muted:     #4a536b;

  --border:        rgba(255, 255, 255, 0.07);
  --border-accent: rgba(245, 158, 11, 0.35);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 24px rgba(245,158,11,0.15);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --header-h: 60px;
  --nav-h: 68px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  height: 100%;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
#app { height: 100%; }

button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input, select { font-family: var(--font); }
a { color: var(--accent); text-decoration: none; }
svg { display: block; }
.hidden { display: none !important; }

/* ── Screens ── */
.screen {
  position: fixed; inset: 0;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1;
}
.screen.active { opacity: 1; pointer-events: all; z-index: 2; }

/* ============================================================
   LOGIN
   ============================================================ */
#screen-login {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  overflow: hidden;
}

.login-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.login-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.blob-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #f59e0b 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: blobFloat 8s ease-in-out infinite alternate;
}
.blob-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
  bottom: -80px; left: -80px;
  animation: blobFloat 10s ease-in-out infinite alternate-reverse;
}
@keyframes blobFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.1); }
}

.login-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 32px 24px;
  z-index: 1;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}
.logo-mark {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent), #e88b00);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 24px; color: #0b0d14;
  box-shadow: 0 4px 20px var(--accent-glow);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 22px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.5px; }
.logo-sub  { font-size: 12px; color: var(--text-secondary); font-weight: 500; margin-top: 2px; }

.login-form { display: flex; flex-direction: column; gap: 16px; }

.form-group {
  display: flex; flex-direction: column; gap: 6px;
}
.form-group label {
  font-size: 12px; font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.6px;
}
.input-wrapper { position: relative; }
.form-group input,
.input-wrapper input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input:focus,
.input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.toggle-pw {
  position: absolute;
  right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px; height: 20px;
  padding: 0;
  transition: color 0.2s;
}
.toggle-pw:hover { color: var(--text-secondary); }
.toggle-pw svg { width: 18px; height: 18px; }

.login-error {
  background: var(--danger-soft);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
}

.btn-primary {
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--accent), #e88b00);
  color: #0b0d14;
  font-weight: 700; font-size: 15px;
  border-radius: var(--radius-md);
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px var(--accent-glow);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  position: relative; overflow: hidden;
}
.btn-primary:hover { opacity: 0.92; box-shadow: 0 6px 24px var(--accent-glow); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-full { width: 100%; }

.btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: #0b0d14;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   APP SHELL
   ============================================================ */
#screen-app {
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
}

/* ── Header ── */
.app-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(11, 13, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  padding-top: env(safe-area-inset-top, 0px);
}
.header-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.header-title-group { display: flex; flex-direction: column; min-width: 0; }
.header-title {
  font-size: 18px; font-weight: 700;
  letter-spacing: -0.4px; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.header-subtitle {
  font-size: 11px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.header-right { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }

.icon-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.icon-btn:active { background: var(--bg-glass); }

/* ── Main Content ── */
.main-content {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  bottom: calc(var(--nav-h) + var(--safe-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* ── Pages ── */
.page { display: none; }
.page.active { display: block; }

/* ── Bottom Nav ── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: rgba(11,13,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  padding-top: 6px;
  z-index: 100;
}
.nav-item {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.4px;
  transition: color 0.2s;
}
.nav-item svg { width: 22px; height: 22px; }
.nav-item.active { color: var(--accent); }
.nav-item span { color: inherit; }

/* ============================================================
   CLIENT SEARCH PAGE
   ============================================================ */
.search-bar-container {
  padding: 16px;
  position: sticky; top: 0;
  background: var(--bg-base);
  z-index: 10;
  border-bottom: 1px solid var(--border);
}
.search-bar {
  position: relative;
  display: flex; align-items: center;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-icon {
  width: 18px; height: 18px;
  position: absolute; left: 14px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
#client-search {
  flex: 1;
  background: none; border: none; outline: none;
  padding: 13px 14px 13px 42px;
  color: var(--text-primary);
  font-size: 15px;
}
#client-search::placeholder { color: var(--text-muted); }
.clear-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  border-radius: 50%;
  margin-right: 4px;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.clear-btn svg { width: 16px; height: 16px; }
.clear-btn:hover { background: var(--bg-card); color: var(--text-primary); }

.clients-list { padding: 8px 16px 16px; }

.client-card {
  display: flex; align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  text-align: left; width: 100%;
}
.client-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.client-card:active { transform: scale(0.98); }
.client-avatar {
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: var(--accent);
  flex-shrink: 0; margin-right: 14px;
}
.client-info { flex: 1; min-width: 0; }
.client-name {
  font-size: 15px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.client-meta {
  font-size: 12px; color: var(--text-secondary); margin-top: 2px;
}
.client-arrow {
  color: var(--text-muted);
  flex-shrink: 0; margin-left: 8px;
}
.client-arrow svg { width: 18px; height: 18px; }

.empty-state {
  padding: 48px 16px;
  text-align: center;
  color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; line-height: 1.6; }

/* ============================================================
   CLIENT DETAIL
   ============================================================ */
.summary-cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  padding: 16px;
}
.summary-card {
  border-radius: var(--radius-md);
  padding: 16px 14px;
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: transform 0.2s;
}
.summary-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.card-outstanding { background: linear-gradient(135deg, rgba(239,68,68,0.18) 0%, rgba(239,68,68,0.06) 100%); border-color: rgba(239,68,68,0.25); }
.card-tofacture  { background: linear-gradient(135deg, rgba(245,158,11,0.18) 0%, rgba(245,158,11,0.06) 100%); border-color: rgba(245,158,11,0.25); }
.card-paid       { background: linear-gradient(135deg, rgba(34,197,94,0.18) 0%, rgba(34,197,94,0.06) 100%);  border-color: rgba(34,197,94,0.25); }

.card-label { font-size: 10px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.card-value { font-size: 15px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.3px; word-break: break-all; }
.card-outstanding .card-value { color: #f87171; }
.card-tofacture  .card-value { color: var(--accent); }
.card-paid       .card-value { color: #4ade80; }
.card-badge {
  font-size: 11px; font-weight: 600;
  color: #f87171; margin-top: 4px;
}

/* ── Tabs ── */
.tabs-container { display: flex; flex-direction: column; }
.tabs-nav {
  display: flex;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 8px;
  position: sticky; top: 0; z-index: 5;
}
.tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  flex-shrink: 0;
  padding: 14px 16px;
  font-size: 13px; font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tab-btn:hover { color: var(--text-secondary); }

.tab-panels { flex: 1; }
.tab-panel { display: none; padding: 16px; padding-bottom: 24px; }
.tab-panel.active { display: block; }

/* ── Section Title ── */
.section-title {
  font-size: 11px; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.8px;
  margin-bottom: 10px;
  padding-left: 2px;
}
.mt-lg { margin-top: 24px; }

/* ── Data Tables ── */
.data-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.table-loading {
  display: flex; align-items: center; justify-content: center;
  padding: 32px;
}
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead tr {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.data-table th {
  padding: 10px 12px;
  font-size: 10px; font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.6px;
  text-align: left; white-space: nowrap;
}
.data-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-elevated); }
.data-table td {
  padding: 11px 12px;
  color: var(--text-primary);
  vertical-align: middle;
}
.data-table td.num { font-variant-numeric: tabular-nums; }
.data-table td.amount { font-weight: 600; }
.data-table td.outstanding { color: #f87171; font-weight: 700; }
.data-table td.paid { color: #4ade80; font-weight: 600; }

.table-total-row td {
  background: var(--bg-elevated);
  font-weight: 700;
  border-top: 2px solid var(--border);
  color: var(--text-primary);
}
.table-empty {
  text-align: center;
  padding: 28px 16px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Status Badge ── */
.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.status-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
}
.status-0 { background: var(--info-soft);    color: #60a5fa; } /* nieuw / concept */
.status-0::before { background: #60a5fa; }
.status-1 { background: var(--warning-soft); color: #fb923c; } /* verzonden */
.status-1::before { background: #fb923c; }
.status-2 { background: var(--success-soft); color: #4ade80; } /* betaald */
.status-2::before { background: #4ade80; }
.status-3 { background: var(--info-soft);    color: #a78bfa; } /* gefactureerd */
.status-3::before { background: #a78bfa; }
.status-overdue { background: var(--danger-soft); color: #f87171; }
.status-overdue::before { background: #f87171; }

/* ── Betalingen Filters ── */
.filter-bar {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 14px;
}
.toggle-label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 14px; color: var(--text-secondary);
  user-select: none;
}
.toggle-label input[type="checkbox"] { display: none; }
.toggle-track {
  width: 42px; height: 24px; border-radius: 99px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  display: flex; align-items: center;
  padding: 0 3px;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.toggle-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--text-muted);
  transition: transform 0.2s, background 0.2s;
}
.toggle-label input:checked ~ .toggle-track { background: var(--accent-soft); border-color: var(--border-accent); }
.toggle-label input:checked ~ .toggle-track .toggle-thumb {
  background: var(--accent);
  transform: translateX(18px);
}

.date-filters { display: flex; gap: 10px; }
.date-field { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.date-field label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.date-field input[type="date"] {
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px; outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.date-field input:focus { border-color: var(--accent); }
.date-field input:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Pagination ── */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 16px 0 0;
}
.page-btn {
  min-width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 600;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  padding: 0 8px;
}
.page-btn:hover { border-color: var(--border-accent); color: var(--text-primary); }
.page-btn.active { background: var(--accent-soft); border-color: var(--border-accent); color: var(--accent); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.page-info { font-size: 12px; color: var(--text-muted); padding: 0 4px; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 12px);
  left: 50%; transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 14px; font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
  z-index: 999;
  white-space: nowrap;
  animation: toastIn 0.3s ease;
}
.toast.toast-error { border-color: rgba(239,68,68,0.4); color: #f87171; }
.toast.toast-success { border-color: rgba(34,197,94,0.4); color: #4ade80; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Section Header (title + PDF button row) ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.section-header .section-title { margin-bottom: 0; }

/* ── Export PDF Button ── */
.export-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 99px;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: background 0.15s, box-shadow 0.15s, transform 0.12s;
  flex-shrink: 0;
  cursor: pointer;
}
.export-pdf-btn svg { width: 13px; height: 13px; }
.export-pdf-btn:hover {
  background: rgba(245, 158, 11, 0.22);
  box-shadow: 0 0 12px var(--accent-glow);
}
.export-pdf-btn:active { transform: scale(0.96); }
.export-pdf-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.export-btn-spinner {
  width: 11px; height: 11px;
  border: 1.5px solid rgba(245,158,11,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Responsive ── */
@media (min-width: 640px) {
  .login-container { padding: 48px 40px; }
  .summary-cards { grid-template-columns: repeat(3, 1fr); }
  .card-value { font-size: 17px; }
  .data-table { font-size: 14px; }
  .data-table th { font-size: 11px; }
  .data-table td { padding: 13px 14px; }
}

@media (min-width: 1024px) {
  .main-content { max-width: 900px; margin: 0 auto; }
  .summary-cards { gap: 14px; padding: 20px; }
  .tab-panel { padding: 20px; }
  .tabs-nav { padding: 0 12px; }
}

/* ── Scrollbar ── */
.main-content::-webkit-scrollbar { width: 4px; }
.main-content::-webkit-scrollbar-track { background: transparent; }
.main-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }