/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg: #06060c;
  --clr-surface: rgba(20, 24, 39, 0.45);
  --clr-surface2: rgba(35, 41, 65, 0.5);
  --clr-border: rgba(255, 255, 255, 0.1);
  --clr-border-hover: rgba(255, 255, 255, 0.25);
  --clr-primary: #818cf8;
  --clr-primary-glow: rgba(129, 140, 248, 0.6);
  --clr-primary-dark: #6366f1;
  --clr-success: #10b981;
  --clr-success-glow: rgba(16, 185, 129, 0.5);
  --clr-warning: #f59e0b;
  --clr-danger: #ef4444;
  --clr-accent: #0ea5e9;
  --clr-text: #f8fafc;
  --clr-text-muted: #94a3b8;
  --clr-text-dim: #475569;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 12px 30px rgba(0,0,0,0.6);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.8);
  font-size: 15px;
}

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== BG BLOBS ===== */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  animation: float 20s ease-in-out infinite alternate;
}
.blob-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  top: -200px; left: -200px;
}
.blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  bottom: -200px; right: -200px;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 30px) scale(1.05); }
  100% { transform: translate(-20px, 40px) scale(0.95); }
}

/* ===== APP LAYOUT (SIDEBAR) ===== */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: 280px;
  background: rgba(12, 15, 25, 0.7);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  box-shadow: 10px 0 30px rgba(0,0,0,0.4);
}

.sidebar-header {
  padding: 32px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--clr-border);
}

.header-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--clr-primary-glow);
}
.header-icon svg { width: 22px; height: 22px; color: #fff; }

.header-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, var(--clr-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-sub {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
  font-weight: 400;
}

.sidebar-nav {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
}
.nav-btn svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--clr-text);
}
.nav-btn:hover svg { opacity: 1; }

.nav-btn.active {
  background: rgba(129, 140, 248, 0.15);
  border-color: rgba(129, 140, 248, 0.4);
  color: #fff;
  box-shadow: inset 4px 0 0 var(--clr-primary), 0 0 15px rgba(129, 140, 248, 0.2);
}
.nav-btn.active svg { opacity: 1; color: var(--clr-primary); filter: drop-shadow(0 0 8px var(--clr-primary-glow)); }

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 40px;
}

.view-section {
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== CARD ===== */
.card {
  background: var(--clr-surface);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.4s ease, box-shadow 0.4s ease;
}
.card:hover { 
  transform: translateY(-4px);
  border-color: var(--clr-border-hover); 
  box-shadow: 0 20px 50px rgba(0,0,0,0.8), 0 0 20px rgba(129, 140, 248, 0.15);
}

/* ===== UPLOAD ZONE ===== */
.upload-card { padding: 0; overflow: hidden; }

/* Two-file grid -> Now Three-file grid */
.uploads-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
}
.uploads-grid > div { border-right: 1px solid var(--clr-border); }
.uploads-grid > div:last-child { border-right: none; }
@media (max-width: 900px) { 
  .uploads-grid { grid-template-columns: 1fr; }
  .uploads-grid > div { border-right: none; border-bottom: 1px solid var(--clr-border); }
  .uploads-grid > div:last-child { border-bottom: none; }
}

.upload-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px 0;
}
.upload-label-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.upload-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-file1 { background: rgba(129,140,248,0.15); color: var(--clr-primary); border: 1px solid rgba(129,140,248,0.3); }
.badge-file2 { background: rgba(34,211,238,0.15);  color: var(--clr-accent); border: 1px solid rgba(34,211,238,0.3); }
.badge-file3 { background: rgba(251,191,36,0.15);  color: var(--clr-warning); border: 1px solid rgba(251,191,36,0.3); }

.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 24px;
  border: 2px dashed rgba(129,140,248,0.25);
  border-radius: var(--radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-align: center;
  margin: 16px 24px 24px;
  background: rgba(0,0,0,0.15);
}
.upload-zone:hover {
  border-color: rgba(129,140,248,0.6);
  background: rgba(129,140,248,0.05);
}
.upload-zone.drag-over {
  border-color: var(--clr-primary);
  background: rgba(129,140,248,0.1);
  transform: scale(1.02);
  box-shadow: 0 0 30px var(--clr-primary-glow);
}
.upload-icon {
  width: 64px; height: 64px;
  background: rgba(129,140,248,0.1);
  border: 1px solid rgba(129,140,248,0.2);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.upload-zone:hover .upload-icon {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(129,140,248,0.2);
}
.upload-icon-accent {
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
}
.upload-zone:hover .upload-icon-accent {
  box-shadow: 0 10px 25px rgba(34,211,238,0.2);
}
.upload-icon-warn {
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.2);
}
.upload-zone:hover .upload-icon-warn {
  box-shadow: 0 10px 25px rgba(251,191,36,0.2);
}
.upload-icon svg     { width: 30px; height: 30px; color: var(--clr-primary); }
.upload-icon-accent svg { color: var(--clr-accent); }
.upload-icon-warn svg { color: var(--clr-warning); }
.upload-text { font-size: 1rem; font-weight: 700; color: var(--clr-text); letter-spacing: 0.02em; }
.upload-hint { font-size: 0.85rem; color: var(--clr-text-muted); font-weight: 400; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: white;
  box-shadow: 0 4px 16px var(--clr-primary-glow);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-primary:hover {
  box-shadow: 0 8px 25px var(--clr-primary-glow), 0 0 15px var(--clr-primary-glow);
  transform: translateY(-2px) scale(1.02);
}

.btn-accent {
  background: linear-gradient(135deg, #0ea5e9, var(--clr-accent));
  color: white;
  box-shadow: 0 4px 16px rgba(14,165,233,0.3);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-accent:hover {
  box-shadow: 0 8px 25px rgba(14,165,233,0.5), 0 0 15px rgba(14,165,233,0.3);
  transform: translateY(-2px) scale(1.02);
}

.btn-warn {
  background: linear-gradient(135deg, #f59e0b, var(--clr-warning));
  color: white;
  box-shadow: 0 4px 16px rgba(245,158,11,0.3);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-warn:hover {
  box-shadow: 0 8px 25px rgba(245,158,11,0.5), 0 0 15px rgba(245,158,11,0.3);
  transform: translateY(-2px) scale(1.02);
}

.btn-process {
  background: linear-gradient(135deg, #8b5cf6, #6366f1, #0ea5e9, #8b5cf6);
  background-size: 300% 300%;
  animation: shimmer 4s ease infinite;
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
  padding: 18px 48px;
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.btn-process:hover {
  box-shadow: 0 15px 40px rgba(99,102,241,0.8), 0 0 30px rgba(99,102,241,0.4);
  transform: translateY(-4px) scale(1.03);
}
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-success {
  background: linear-gradient(135deg, #059669, var(--clr-success));
  color: white;
  box-shadow: 0 4px 16px var(--clr-success-glow);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-success:hover {
  box-shadow: 0 8px 24px var(--clr-success-glow), 0 0 15px var(--clr-success-glow);
  transform: translateY(-2px) scale(1.02);
}

.btn-outline {
  background: rgba(255,255,255,0.02);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border-hover);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  color: var(--clr-text);
  border-color: var(--clr-primary);
  background: rgba(129,140,248,0.1);
  box-shadow: 0 0 15px rgba(129,140,248,0.2);
  transform: translateY(-2px);
}

/* File loaded status strip */
.file-status {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(34,197,94,0.08);
  border-top: 1px solid rgba(34,197,94,0.18);
  font-size: 0.8rem;
  color: var(--clr-success);
  font-weight: 500;
}
.file-status > div:first-child { display: flex; align-items: center; gap: 8px; }
.file-status-icon { font-size: 0.9rem; }
.col-preview {
  font-size: 0.7rem;
  color: var(--clr-text-dim);
  word-break: break-all;
  line-height: 1.5;
  padding-top: 2px;
}

/* Process row */
.process-row {
  display: flex;
  justify-content: center;
  animation: slideDown 0.35s ease;
}
.status-bar {
  background: var(--clr-surface2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.status-content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.05rem;
}
.status-icon { font-size: 1.3rem; }
.status-pills { display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid rgba(255,255,255,0.05);
}
.pill-total  { background: rgba(100,116,139,0.15); color: #cbd5e1; }
.pill-found  { background: rgba(52,211,153,0.15);  color: var(--clr-success); border-color: rgba(52,211,153,0.2); }
.pill-fwd    { background: rgba(129,140,248,0.15);  color: var(--clr-primary); border-color: rgba(129,140,248,0.2); }
.pill-missing{ background: rgba(248,113,113,0.15);   color: var(--clr-danger); border-color: rgba(248,113,113,0.2); }
.pill-grand  { 
  background: linear-gradient(135deg, rgba(34,211,238,0.2), rgba(34,211,238,0.05));
  color: var(--clr-accent); 
  font-size: 0.85rem; 
  border-color: rgba(34,211,238,0.4);
  box-shadow: 0 0 15px rgba(34,211,238,0.15);
}

/* ===== SEARCH CARD ===== */
.search-card { animation: slideDown 0.4s ease; }
.search-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}
.input-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.input-group label {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  font-weight: 500;
}
.input-group input {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 11px 16px;
  color: var(--clr-text);
  font-size: 0.93rem;
  font-family: inherit;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  outline: none;
  backdrop-filter: blur(5px);
}
.input-group input:focus {
  background: rgba(0,0,0,0.4);
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow), 0 5px 15px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}
.input-group input::placeholder { color: var(--clr-text-dim); }

.search-result {
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  animation: slideDown 0.25s ease;
}
.search-result.found    { background: rgba(34,197,94,0.1);  border: 1px solid rgba(34,197,94,0.3);  color: var(--clr-success); }
.search-result.not-found{ background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: var(--clr-danger); }
.search-result.fwd-found{ background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.3); color: var(--clr-primary); }

/* ===== ACTIONS ROW ===== */
.actions-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: slideDown 0.4s ease;
}

/* ===== TABLE CARD ===== */
.table-card { padding: 0; overflow: hidden; animation: slideDown 0.5s ease; }
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--clr-border);
}
.table-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
}

.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-text-muted);
  transition: all 0.2s;
}
.tab:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.tab.active {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: white;
  border-color: transparent;
}

.table-wrapper { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
thead th {
  background: rgba(0,0,0,0.2);
  color: var(--clr-text-muted);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px;
  text-align: left;
  border-bottom: 2px solid rgba(255,255,255,0.05);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}
tbody tr:hover { 
  background: rgba(255,255,255,0.04); 
  transform: scale(1.005) translateX(4px);
  box-shadow: -4px 0 0 var(--clr-primary), 0 5px 15px rgba(0,0,0,0.2);
  z-index: 1;
  position: relative;
}
tbody tr:last-child { border-bottom: none; }
tbody td {
  padding: 14px 16px;
  color: var(--clr-text);
  vertical-align: middle;
}
td.num  { color: var(--clr-text-dim); font-size: 0.8rem; font-weight: 600; }
td.mono { font-family: 'Fira Code', monospace; font-size: 0.85rem; font-weight: 500; }

/* Price value columns */
.price-fwd {
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  color: #4ade80;
  font-weight: 600;
}
.price-ret {
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  color: #f87171;
  font-weight: 600;
}
.price-net {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: var(--clr-accent);
  font-weight: 700;
}
.price-net-neg {
  color: #f87171;
}
.price-val {
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  color: var(--clr-accent);
  font-weight: 600;
}

/* Total footer row */
.total-row td {
  padding: 16px;
  background: linear-gradient(90deg, rgba(34,211,238,0.03), rgba(34,211,238,0.08));
  border-top: 1px solid rgba(34,211,238,0.25);
}

/* Source badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-invoice { background: rgba(34,197,94,0.15);  color: var(--clr-success); }
.badge-fwd     { background: rgba(99,102,241,0.15);  color: var(--clr-primary); }
.badge-missing { background: rgba(239,68,68,0.15);   color: var(--clr-danger); }

/* ===== ANIMATIONS ===== */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .app-wrapper { padding: 20px 16px 60px; }
  .header { padding: 20px; gap: 14px; }
  .header-title { font-size: 1.15rem; }
  .search-row { flex-direction: column; }
  .search-row .btn { width: 100%; justify-content: center; }
  .actions-row .btn { flex: 1; justify-content: center; }
}

/* ===== LOGIN OVERLAY STYLES ===== */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(circle at center, rgba(129, 140, 248, 0.15) 0%, transparent 60%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--clr-surface);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #fff;
  padding: 12px;
  border-radius: 16px;
  box-shadow: 0 8px 24px var(--clr-primary-glow);
}

.login-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-text);
  margin-bottom: 4px;
}

.login-sub {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
}