:root {
  --bg: #edf3fb;
  --bg-accent: #d9e7f9;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: #ffffff;
  --text: #19324f;
  --muted: #5d728a;
  --line: rgba(19, 50, 89, 0.12);
  --primary: #0f5392;
  --primary-strong: #0b3f72;
  --soft: #dce8f8;
  --danger: #aa3b3b;
  --success: #1f6a4c;
  --shadow: 0 20px 42px rgba(19, 50, 89, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Aptos", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 83, 146, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(41, 152, 235, 0.18), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 58%, var(--bg-accent) 100%);
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button.primary {
  background: var(--primary);
  color: white;
}

button.secondary {
  background: rgba(15, 83, 146, 0.1);
  color: var(--primary-strong);
}

button.ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border: 1px solid rgba(19, 50, 89, 0.08);
}

button.danger {
  background: rgba(170, 59, 59, 0.1);
  color: var(--danger);
}

button.paid-button {
  background: rgba(31, 106, 76, 0.12);
  color: var(--success);
}

button.later-button {
  background: rgba(232, 181, 47, 0.18);
  color: #8a6400;
}

.small-button {
  padding: 10px 14px;
}

.hidden {
  display: none !important;
}

.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  background:
    radial-gradient(circle at center, rgba(41, 152, 235, 0.2), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, #dbe8f8 100%);
  transition: opacity 700ms ease, visibility 700ms ease;
}

.splash-screen.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-logo {
  width: min(72vw, 420px);
  height: auto;
  filter: drop-shadow(0 18px 28px rgba(15, 83, 146, 0.16));
  animation: splash-pulse 1.9s ease-in-out infinite;
}

.splash-screen h1 {
  margin: 0;
  font-family: Georgia, "Palatino Linotype", serif;
  font-size: clamp(2rem, 5vw, 4.1rem);
  letter-spacing: -0.03em;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(236, 243, 251, 0.82);
  backdrop-filter: blur(14px);
}

.auth-panel {
  width: min(560px, 100%);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(19, 50, 89, 0.1);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.auth-logo {
  width: min(230px, 100%);
  display: block;
  margin-bottom: 16px;
}

.auth-panel h2,
.topbar h1,
.panel h2 {
  margin: 0;
  font-family: Georgia, "Palatino Linotype", serif;
  letter-spacing: -0.02em;
}

.auth-panel h2 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.auth-status {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.startup-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.startup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(19, 50, 89, 0.12);
}

.google-auth-area {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.google-button-mount {
  min-height: 42px;
}

.google-auth-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.page-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

.page-shell.compact {
  padding-top: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.brand-rail {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark {
  width: clamp(84px, 11vw, 132px);
  height: auto;
  filter: drop-shadow(0 10px 18px rgba(11, 63, 114, 0.12));
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
}

.topbar h1 {
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 0.96;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.session-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: end;
}

.status-stack {
  display: flex;
  flex-direction: column;
  align-items: end;
  gap: 6px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 83, 146, 0.1);
  color: var(--primary-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

.status-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-shell {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.nav-button {
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border: 1px solid rgba(19, 50, 89, 0.08);
}

.nav-button.active {
  background: var(--primary);
  color: white;
}

.page-stack {
  min-height: 640px;
}

.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

.layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  grid-column: span 6;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  padding: 22px;
}

.full-width {
  width: 100%;
}

.panel-heading {
  margin-bottom: 18px;
}

.compact-heading {
  margin-bottom: 12px;
}

.panel-heading p {
  margin: 10px 0 0;
  max-width: 72ch;
  color: var(--muted);
  line-height: 1.5;
}

.inline-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--panel-strong);
  color: var(--text);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.summary-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 247, 255, 0.82));
  border: 1px solid rgba(19, 50, 89, 0.08);
  border-radius: 20px;
  padding: 16px;
}

.summary-card h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.summary-card strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
}

.summary-card small {
  color: var(--muted);
}

.snapshot-due-items {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  vertical-align: top;
}

th {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

tbody tr:hover {
  background: rgba(15, 83, 146, 0.04);
}

.table-input {
  min-width: 120px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(41, 152, 235, 0.12);
  color: var(--primary-strong);
  font-size: 0.82rem;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}

.pill:hover {
  border-color: rgba(15, 83, 146, 0.16);
}

.pill.paid {
  background: rgba(31, 106, 76, 0.12);
  color: var(--success);
}

.pill.pay-later {
  background: rgba(232, 181, 47, 0.22);
  color: #8a6400;
}

.pill.unpaid {
  background: rgba(41, 152, 235, 0.12);
  color: var(--primary-strong);
}

.due-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(18, 35, 56, 0.34);
  backdrop-filter: blur(8px);
}

.due-menu-card {
  width: min(420px, 100%);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(19, 50, 89, 0.12);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.due-menu-label {
  margin: 10px 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.due-menu-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.positive {
  color: var(--success);
}

.negative {
  color: var(--danger);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 4px 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

@keyframes splash-pulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.03);
  }
}

@media (max-width: 1080px) {
  .panel {
    grid-column: 1 / -1;
  }

  .topbar {
    flex-direction: column;
    align-items: start;
  }

  .topbar-meta,
  .status-stack {
    align-items: start;
  }

  .session-actions {
    justify-content: start;
  }
}

@media (max-width: 720px) {
  .page-shell,
  .auth-gate {
    padding: 18px;
  }

  .brand-rail {
    align-items: start;
  }

  .brand-mark {
    width: 86px;
  }

  .settings-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .startup-actions {
    flex-direction: column;
  }

  .startup-actions button,
  .due-menu-actions button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}