:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-solid: #ffffff;
  --surface-muted: #eef1f6;
  --text: #14213a;
  --muted: #66728a;
  --line: #dfe4ed;
  --primary: #ff6540;
  --primary-ink: #ffffff;
  --success: #237a4b;
  --success-bg: #e5f5ea;
  --warning: #996418;
  --warning-bg: #fff2d9;
  --danger: #b64242;
  --danger-bg: #fce8e8;
  --focus: #2059c7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101827;
  --surface: rgba(26, 38, 59, 0.9);
  --surface-solid: #1a263b;
  --surface-muted: #26334b;
  --text: #f5f7fb;
  --muted: #b6c0d2;
  --line: #36445d;
  --success-bg: #183d2a;
  --warning-bg: #493718;
  --danger-bg: #4b2428;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 15% -10%, rgba(255, 101, 64, 0.13), transparent 33rem), var(--bg);
  color: var(--text);
}

button, input, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--surface-solid); color: var(--text); padding: .75rem 1rem; border-radius: .75rem; }
.skip-link:focus { top: 1rem; }

.app-shell { width: min(100%, 1120px); margin: 0 auto; padding: max(1rem, env(safe-area-inset-top)) 1rem calc(6rem + env(safe-area-inset-bottom)); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; margin-bottom: 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: inherit; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border-radius: .9rem; background: linear-gradient(145deg, #ff7b53, var(--primary)); color: white; font-size: .82rem; font-weight: 800; letter-spacing: -.04em; box-shadow: 0 8px 20px rgba(255, 101, 64, .24); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; letter-spacing: -.02em; }
.brand small, .eyebrow, .muted { color: var(--muted); font-size: .78rem; }
.topbar-actions { display: flex; gap: .5rem; align-items: center; }

.primary-button, .secondary-button, .icon-button, .filter-button, .nav-item { min-height: 2.75rem; border: 1px solid transparent; border-radius: .8rem; font-weight: 700; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.primary-button { border-color: var(--primary); background: var(--primary); color: var(--primary-ink); padding: .7rem 1rem; box-shadow: 0 7px 18px rgba(255, 101, 64, .2); }
.primary-button:hover { transform: translateY(-1px); filter: brightness(.96); }
.primary-button.compact { padding-inline: .85rem; }
.logout-button { min-width: 3.7rem; padding-inline: .75rem; }
.secondary-button, .icon-button { border-color: var(--line); background: var(--surface); color: var(--text); padding: .65rem .85rem; }
.icon-button { display: inline-grid; place-items: center; width: 2.75rem; padding: 0; font-size: 1.35rem; }

.content { min-height: 28rem; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin: .4rem 0 1.2rem; }
.page-heading h1 { margin: .15rem 0; font-size: clamp(1.6rem, 6vw, 2.3rem); letter-spacing: -.055em; }
.page-heading p { max-width: 40rem; margin: .35rem 0 0; color: var(--muted); }
.heading-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: .55rem; }
.month-control { display: inline-flex; align-items: center; gap: .6rem; flex-shrink: 0; border: 1px solid var(--line); border-radius: .85rem; background: var(--surface); padding: .35rem; }
.month-control button { width: 2rem; height: 2rem; border: 0; border-radius: .55rem; background: transparent; color: var(--text); font-size: 1.2rem; }
.month-control button:hover { background: var(--surface-muted); }
.month-control strong { min-width: 6.4rem; text-align: center; font-size: .8rem; }

.grid { display: grid; gap: .9rem; }
.summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.two-column { grid-template-columns: 1fr; }
.card { border: 1px solid var(--line); border-radius: 1.15rem; background: var(--surface); box-shadow: 0 10px 30px rgba(20, 33, 58, .05); }
.summary-card { padding: 1rem; }
.summary-card p { margin: 0; color: var(--muted); font-size: .78rem; }
.summary-card strong { display: block; margin-top: .5rem; font-size: clamp(1.2rem, 5vw, 1.7rem); letter-spacing: -.055em; }
.summary-card.success strong { color: var(--success); }
.summary-card.warning strong { color: var(--warning); }
.budget-card { padding: 1.1rem; background: linear-gradient(130deg, rgba(255,101,64,.12), var(--surface)); }
.budget-card h2, .section-title { margin: 0; font-size: 1rem; letter-spacing: -.02em; }
.budget-card .budget-value { margin: .55rem 0 .35rem; font-size: 1.9rem; font-weight: 800; letter-spacing: -.065em; }
.progress { overflow: hidden; height: .48rem; border-radius: 1rem; background: var(--surface-muted); }
.progress > span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--primary); transition: width .25s ease; }
.section-card { overflow: hidden; }
.section-header { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: 1rem 1rem .7rem; }
.text-button { border: 0; background: none; color: var(--primary); padding: .2rem; font-weight: 700; }

.launch-list, .agenda-list, .budget-list { margin: 0; padding: 0; list-style: none; }
.launch-row, .agenda-row, .budget-row { display: grid; grid-template-columns: 2.1rem minmax(0, 1fr) auto; align-items: center; gap: .75rem; padding: .85rem 1rem; border-top: 1px solid var(--line); }
.row-icon { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: .7rem; background: var(--surface-muted); font-size: 1rem; }
.row-main { min-width: 0; }
.row-main strong, .row-main small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-main strong { font-size: .9rem; }
.row-main small { margin-top: .12rem; color: var(--muted); font-size: .75rem; }
.row-value { text-align: right; font-size: .86rem; font-weight: 750; white-space: nowrap; }
.row-value small { display: block; margin-top: .25rem; }
.row-value .small-action { margin-top: .4rem; }
.status { display: inline-block; padding: .15rem .42rem; border-radius: .45rem; font-size: .66rem; font-weight: 750; }
.status-paid { background: var(--success-bg); color: var(--success); }
.status-pending { background: var(--warning-bg); color: var(--warning); }
.status-cancelled { background: var(--danger-bg); color: var(--danger); }
.empty-state, .error-state, .loading-state { display: grid; place-items: center; min-height: 11rem; padding: 2rem; border: 1px dashed var(--line); border-radius: 1rem; color: var(--muted); text-align: center; }
.error-state { color: var(--danger); }
.spinner { width: 1.15rem; height: 1.15rem; margin-bottom: .65rem; border: 2px solid var(--line); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.notice-list { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.notice { padding: .75rem .9rem; border-radius: .8rem; background: var(--warning-bg); color: var(--warning); font-size: .84rem; }
.filter-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .9rem; }
.filter-button { background: var(--surface); border-color: var(--line); color: var(--text); padding: .45rem .7rem; font-size: .76rem; }
.filter-button.is-active { background: var(--text); border-color: var(--text); color: var(--surface-solid); }
.search-input { width: 100%; min-height: 2.8rem; margin-bottom: .85rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); color: var(--text); padding: .65rem .8rem; }

.agenda-row { grid-template-columns: 3.1rem minmax(0, 1fr) auto; }
.date-pill { color: var(--muted); font-size: .73rem; font-weight: 750; line-height: 1.1; text-align: center; }
.date-pill strong { display: block; color: var(--text); font-size: 1.25rem; }
.agenda-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem; margin-top: .6rem; }
.small-action { border: 1px solid var(--line); border-radius: .65rem; background: transparent; color: var(--text); padding: .42rem .56rem; font-size: .72rem; font-weight: 700; }
.small-action:hover { border-color: var(--primary); color: var(--primary); }
.budget-row { grid-template-columns: minmax(0, 1fr) auto; }
.budget-row .progress { grid-column: 1 / -1; }
.budget-row-actions { display: flex; align-items: center; justify-content: flex-end; gap: .55rem; }
.budget-label { display: flex; align-items: baseline; gap: .45rem; min-width: 0; }
.budget-label strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; }
.budget-label span { color: var(--muted); font-size: .75rem; white-space: nowrap; }

.mobile-nav { position: fixed; left: 50%; bottom: max(.65rem, env(safe-area-inset-bottom)); z-index: 20; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); width: min(calc(100% - 1.25rem), 510px); transform: translateX(-50%); border: 1px solid var(--line); border-radius: 1.1rem; background: color-mix(in srgb, var(--surface-solid) 90%, transparent); box-shadow: 0 14px 35px rgba(20, 33, 58, .16); backdrop-filter: blur(15px); padding: .35rem; }
.nav-item { min-height: 3.15rem; border: 0; background: transparent; color: var(--muted); padding: .35rem .15rem; font-size: .68rem; }
.nav-item.is-active { color: var(--primary); }
.nav-register { width: 3.1rem; height: 3.1rem; min-height: 0; align-self: center; justify-self: center; border-radius: 50%; background: var(--primary); color: white; font-size: 1.7rem; line-height: 1; box-shadow: 0 7px 18px rgba(255, 101, 64, .28); }

.register-dialog { width: min(100% - 1rem, 35rem); max-height: min(90vh, 45rem); border: 0; border-radius: 1.2rem; background: var(--surface-solid); color: var(--text); padding: 0; box-shadow: 0 24px 70px rgba(0,0,0,.28); }
.register-dialog::backdrop { background: rgba(10, 18, 33, .55); backdrop-filter: blur(3px); }
.register-dialog form { padding: 1.1rem; }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.dialog-header h2 { margin: .15rem 0 0; font-size: 1.35rem; letter-spacing: -.04em; }
.field { display: grid; gap: .35rem; color: var(--muted); font-size: .77rem; font-weight: 700; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.field-wide { grid-column: 1 / -1; }
.field input, .field select { width: 100%; min-height: 2.9rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); color: var(--text); padding: .65rem .7rem; }
.check-field { display: flex; align-items: center; gap: .55rem; margin-top: 1rem; font-size: .88rem; font-weight: 650; }
.check-field input { width: 1.1rem; height: 1.1rem; accent-color: var(--primary); }
.form-message { min-height: 1.2rem; margin: .7rem 0 0; color: var(--danger); font-size: .78rem; }
.dialog-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: .5rem; }
.dialog-actions-split { align-items: center; justify-content: space-between; }
.dialog-actions-group { display: flex; gap: .6rem; }
.danger-button { min-height: 2.75rem; border: 1px solid var(--danger); border-radius: .8rem; background: transparent; color: var(--danger); padding: .65rem .8rem; font: inherit; font-weight: 700; }
.danger-button:hover { background: var(--danger-bg); }
.toast { position: fixed; top: max(1rem, env(safe-area-inset-top)); left: 50%; z-index: 50; max-width: calc(100% - 2rem); transform: translate(-50%, -150%); border-radius: .8rem; background: var(--text); color: var(--surface-solid); padding: .7rem .95rem; opacity: 0; transition: transform .2s ease, opacity .2s ease; font-size: .84rem; font-weight: 650; }
.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.login-page { display:grid; min-height:100vh; place-items:center; padding:1rem; }
.login-card { width:min(100%, 28rem); padding:2rem; }
.login-card h1 { margin:.55rem 0; font-size:1.8rem; letter-spacing:-.05em; }
.login-card .brand-mark { margin-bottom:1.25rem; }
.login-form { display:grid; gap:.9rem; margin-top:1.25rem; }

@media (min-width: 700px) {
  .app-shell { padding-inline: 1.75rem; padding-bottom: 2rem; }
  .summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .two-column { grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr); align-items: start; }
  .mobile-nav { position: static; width: auto; max-width: max-content; margin: 1.2rem auto 0; transform: none; box-shadow: none; }
  .nav-item { min-width: 5.5rem; }
}

@media (max-width: 420px) {
  .topbar { gap: .55rem; }
  .brand { gap: .5rem; }
  .brand small { display: none; }
  .logout-button { min-width: 3.25rem; padding-inline: .55rem; }
  .topbar-actions .compact { width: 2.75rem; overflow: hidden; padding: 0; font-size: 0; }
  .topbar-actions .compact::before { content: "+"; font-size: 1.45rem; }
  .page-heading { align-items: stretch; flex-direction: column; }
  .heading-actions { justify-content: space-between; }
  .month-control { align-self: flex-start; }
  .dialog-actions-split { align-items: stretch; flex-direction: column-reverse; }
  .dialog-actions-group { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}