@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg-primary: #0F172A;
  --bg-card: #1E293B;
  --bg-card-hover: #263548;
  --border: #334155;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --sidebar-width: 220px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: #0B1120;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo .brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.sidebar-logo .brand-sub {
  font-size: 11px;
  color: var(--accent);
  font-weight: 500;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.nav-item.active {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  border-left-color: var(--accent);
}
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

/* MAIN CONTENT */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
}

.topbar {
  background: #0B1120;
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}
.topbar-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
}
.topbar-date {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.content {
  padding: 28px 32px;
}

/* KPI CARDS */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.15s;
}
.kpi-card:hover { background: var(--bg-card-hover); }
.kpi-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.kpi-sub {
  font-size: 12px;
  color: var(--text-secondary);
}
.kpi-card.warning .kpi-value { color: var(--warning); }
.kpi-card.danger .kpi-value { color: var(--danger); }
.kpi-card.success .kpi-value { color: var(--success); }
.kpi-card.accent .kpi-value { color: var(--accent); }

/* SECTION */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
  overflow: hidden;
}
.section-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.section-body { padding: 0; }

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(51,65,85,0.5);
  color: var(--text-secondary);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
td.bold { color: var(--text-primary); font-weight: 600; }

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-accent { background: rgba(59,130,246,0.15); color: var(--accent); }
.badge-muted { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.btn-success:hover { background: rgba(16,185,129,0.25); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ALERT BOX */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #FCD34D; }
.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #FCA5A5; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6EE7B7; }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93C5FD; }

/* MISC */
.text-money { font-variant-numeric: tabular-nums; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }

.loading-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.dots { display: inline-flex; gap: 4px; align-items: center; }
.dots span {
  width: 6px; height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: dotPulse 1.4s ease-in-out infinite;
}
.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse { 0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); } 40% { opacity: 1; transform: scale(1); } }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 13px;
}
.empty-state svg { margin-bottom: 12px; opacity: 0.3; }

/* QUICK ACCESS CARDS */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.quick-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.15s;
  cursor: pointer;
}
.quick-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.quick-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.quick-icon.blue { background: rgba(59,130,246,0.15); color: var(--accent); }
.quick-icon.green { background: rgba(16,185,129,0.15); color: var(--success); }
.quick-icon.purple { background: rgba(139,92,246,0.15); color: #A78BFA; }
.quick-title { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.quick-sub { font-size: 12px; color: var(--text-muted); }

/* FILTER TABS */
.filter-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(0,0,0,0.3);
  border-radius: 8px;
  width: fit-content;
  margin-bottom: 16px;
}
.filter-tab {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  background: transparent;
  border: none;
  font-family: 'Inter', sans-serif;
  transition: all 0.15s;
}
.filter-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* STEPPER */
.stepper {
  display: flex;
  align-items: center;
  margin-bottom: 28px;
}
.step {
  display: flex;
  align-items: center;
  gap: 10px;
}
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  border: 2px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.3s;
}
.step.active .step-num { border-color: var(--accent); color: var(--accent); background: rgba(59,130,246,0.1); }
.step.done .step-num { border-color: var(--success); background: var(--success); color: white; }
.step-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.step.active .step-label { color: var(--text-primary); }
.step.done .step-label { color: var(--success); }
.step-connector { flex: 1; height: 1px; background: var(--border); margin: 0 12px; min-width: 40px; }
.step.done + .step-connector { background: var(--success); }

/* CHAT */
.chat-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 70px);
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.chat-message {
  display: flex;
  gap: 10px;
  max-width: 80%;
}
.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-avatar {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
}
.chat-avatar.ai { background: rgba(59,130,246,0.2); color: var(--accent); }
.chat-avatar.user-av { background: rgba(139,92,246,0.2); color: #A78BFA; }
.chat-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 100%;
}
.chat-message.user .chat-bubble {
  background: var(--accent);
  color: white;
  border-bottom-right-radius: 4px;
}
.chat-message.ai .chat-bubble {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.chat-input-area {
  padding: 16px 32px;
  border-top: 1px solid var(--border);
  background: #0B1120;
}
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.suggestion-chip {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}
.suggestion-chip:hover { border-color: var(--accent); color: var(--accent); }
.chat-input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.chat-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  resize: none;
  max-height: 120px;
  outline: none;
  transition: border-color 0.15s;
}
.chat-input:focus { border-color: var(--accent); }
.chat-input::placeholder { color: var(--text-muted); }

/* EMAIL BOX */
.email-box {
  background: #0B1120;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  line-height: 1.7;
  font-family: 'Inter', sans-serif;
}
.email-subject {
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

/* AP LAYOUT */
.ap-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  align-items: start;
}
.fatura-list-item {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(51,65,85,0.5);
  cursor: pointer;
  transition: all 0.15s;
}
.fatura-list-item:hover, .fatura-list-item.selected { background: rgba(59,130,246,0.07); }
.fatura-list-item.selected { border-left: 3px solid var(--accent); }
.fatura-list-item:last-child { border-bottom: none; }
.fli-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px; }
.fli-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.fli-valor { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.fli-desc { font-size: 11.5px; color: var(--text-muted); }

/* DETAIL CARD */
.detail-section { margin-bottom: 20px; }
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid rgba(51,65,85,0.4);
  font-size: 13px;
}
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--text-muted); }
.detail-value { color: var(--text-primary); font-weight: 500; text-align: right; max-width: 60%; }

.action-group { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

/* DIFF TABLE */
.diff-positive { color: var(--warning); }
.diff-negative { color: var(--danger); }
.diff-zero { color: var(--success); }

/* GASTOS GRID */
.gastos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 20px;
}
.gasto-item {
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 14px;
}
.gasto-cat { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 6px; }
.gasto-val { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.gasto-pct { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* RESPONSIVE padding fix */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-grid { grid-template-columns: 1fr 1fr; }
}