@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-soft: #f1f5f9;
  --text: #111827;
  --text-muted: #6b7280;
  --text-soft: #94a3b8;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --primary: #111827;
  --primary-soft: #1f2937;
  --accent: #0f766e;
  --accent-soft: #ecfeff;
  --danger: #b91c1c;
  --danger-soft: #fef2f2;
  --warning: #a16207;
  --warning-soft: #fff7ed;
  --success: #166534;
  --success-soft: #f0fdf4;
  --shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 18px 48px rgba(15, 23, 42, 0.08);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --font-body: 'Inter', Arial, sans-serif;
  --transition: 0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
button, input, select { font: inherit; }
a { color: inherit; }

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid rgba(229,231,235,0.9);
  backdrop-filter: blur(14px);
}
.navbar--public { position: static; background: transparent; border-bottom: none; }
.navbar__left, .navbar__right { display: flex; align-items: center; gap: 0.75rem; }
.navbar__center { display: flex; justify-content: center; flex: 1; }
.navbar__icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.navbar__brand, .navbar__name {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.navbar__home-btn, .navbar__logout {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.navbar__home-btn:hover, .navbar__logout:hover { background: var(--surface-soft); border-color: var(--border-strong); transform: translateY(-1px); }

.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.landing__logo { text-align: center; }
.landing__title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.landing__subtitle {
  margin-top: 0.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}
.landing__divider {
  width: 88px;
  height: 2px;
  margin: 1.35rem auto 0;
  background: var(--border-strong);
}
.landing__buttons { width: min(560px, 100%); display: grid; gap: 1rem; }
.landing__buttons--grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.landing__btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.landing__btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.landing__btn--dark { background: var(--primary); color: #fff; border-color: var(--primary); }
.landing__footer { color: var(--text-soft); font-size: 0.85rem; }

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
}
.auth-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}
.auth-card {
  width: min(460px, 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.94);
  box-shadow: var(--shadow-md);
  padding: clamp(1.4rem, 4vw, 2rem);
}
.auth-card__title {
  margin: 0 0 1.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}
.auth-form { display: grid; gap: 1rem; }
.auth-form__row { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-group { display: grid; gap: 0.45rem; }
.form-group label, .menu-form__label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.form-group input, .menu-form__input, .menu-form__day-select, .settings-card__input, .payment-item__input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  padding: 0.88rem 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-group input:focus, .menu-form__input:focus, .menu-form__day-select:focus, .settings-card__input:focus, .payment-item__input:focus {
  border-color: #9ca3af;
  box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.06);
}
.form-group input::placeholder, .menu-form__input::placeholder { color: var(--text-soft); }
.auth-error, .inline-feedback {
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.94rem;
}
.auth-error, .inline-feedback--error { background: var(--danger-soft); color: var(--danger); border: 1px solid #fecaca; }
.inline-feedback--success { background: var(--success-soft); color: var(--success); border: 1px solid #bbf7d0; }
.auth-link { margin-top: 1rem; text-align: center; }
.auth-link button {
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
}
.auth-link button:hover { color: var(--text); }

.btn-primary, .btn-add, .btn-reserve {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 14px;
  padding: 0.95rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.btn-primary:hover, .btn-add:hover, .btn-reserve:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); background: var(--primary-soft); border-color: var(--primary-soft); }
.btn-primary:disabled, .btn-add:disabled, .btn-reserve:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-reserve--secondary { background: #fff; color: var(--text); border-color: var(--border-strong); }
.btn-reserve--secondary:hover { background: var(--surface-soft); border-color: var(--text-soft); }
.btn-reserve--disabled { background: #e5e7eb; color: #6b7280; border-color: #e5e7eb; }
.btn-danger {
  border: 1px solid #fecaca;
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-danger:hover { background: #fee2e2; }
.btn-outline {
  border: 1px solid var(--border-strong);
  background: #fff;
  color: var(--text);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-outline:hover { background: var(--surface-soft); }
.btn-add--compact { padding-inline: 1rem; }

.pw-wrapper { position: relative; }
.pw-wrapper input { padding-right: 3rem; }
.pw-toggle {
  position: absolute;
  top: 50%;
  right: 0.25rem;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}
.pw-toggle svg { width: 18px; height: 18px; }
.pw-toggle:hover { color: var(--text); }

.dashboard-shell { min-height: 100vh; }
.page {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem) 0 2rem;
}
.week-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}
.week-nav--spaced { margin-bottom: 1.25rem; }
.week-nav__center { text-align: center; }
.week-nav__btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
}
.week-nav__btn:hover:not(:disabled) { background: var(--surface-soft); }
.week-nav__btn:disabled { opacity: 0.4; cursor: not-allowed; }
.week-nav__label { font-weight: 700; }
.week-nav__link {
  margin-top: 0.25rem;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
}
.week-nav__link:hover { color: var(--text); }

.stats-grid, .client-layout { display: grid; gap: 1rem; }
.stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 1.25rem; }
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
}
.stat-card__kicker { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }
.stat-card__val { margin-top: 0.6rem; font-size: clamp(1.35rem, 3vw, 2rem); font-weight: 800; }
.stat-card__lbl { margin-top: 0.25rem; color: var(--text-muted); font-size: 0.92rem; }

.tabs { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.tabs--panel { margin-bottom: 1rem; }
.tab-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  padding: 0.82rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}
.tab-btn.active { color: #fff; background: var(--primary); border-color: var(--primary); }
.auth-tabs { margin-bottom: 1.4rem; }

.panel-card, .section-body, .settings-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.panel-card--main { padding: 1.3rem; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-bottom: none;
  background: #fff;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-weight: 700;
}
.section-body { padding: 1rem 1.15rem; border-radius: 0 0 var(--radius-md) var(--radius-md); }
.client-layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }

.countdown-banner {
  margin-bottom: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.countdown-banner--open { background: var(--warning-soft); border-color: #fed7aa; color: var(--warning); }
.countdown-banner--closed { background: var(--danger-soft); border-color: #fecaca; color: var(--danger); }
.countdown-banner--neutral { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }

.day-row {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}
.day-row + .day-row { margin-top: 0.85rem; }
.day-row__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: none;
  background: #fff;
  cursor: pointer;
  text-align: left;
}
.day-row__header:disabled { cursor: default; opacity: 0.7; }
.day-row__title { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; }
.day-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
}
.day-row__meta { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text-muted); }
.day-row__chevron { font-weight: 700; }
.day-row__body { padding: 0 1.1rem 1.1rem; border-top: 1px solid var(--border); }
.day-row__empty { padding: 0 1.1rem 1.1rem; color: var(--text-muted); }
.day-row__menu { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-top: 1rem; }
.menu-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.9rem;
}
.price-line, .helper-text, .deadline-notice, .info-note { margin-top: 1rem; color: var(--text-muted); font-size: 0.92rem; }
.deadline-notice { color: var(--danger); }
.action-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 1rem; }
.btn-reserved {
  margin-top: 1rem;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--text);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  text-align: center;
  font-weight: 600;
}
.btn-cancel-reserve {
  width: 100%;
  margin-top: 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}
.btn-cancel-reserve:hover { color: var(--danger); }
.takeaway-panel {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.takeaway-panel__label { margin-bottom: 0.7rem; color: var(--text-muted); font-size: 0.84rem; font-weight: 600; }
.segmented-control {
  display: inline-flex;
  gap: 0.4rem;
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
}
.segment-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}
.segment-btn.is-active { background: var(--primary); color: #fff; }
.segment-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.wallet-total {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}
.wallet-total__label { font-size: 0.78rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.08em; }
.wallet-total__amount { margin-top: 0.35rem; font-size: 2rem; font-weight: 800; }
.wallet-total__amount.is-positive { color: var(--success); }
.wallet-total__amount.is-negative { color: var(--danger); }
.wallet-total__sub { margin-top: 0.35rem; color: var(--text-muted); }
.wallet-list { display: grid; gap: 0.75rem; }
.wallet-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}
.wallet-item__label { font-weight: 700; }
.wallet-item__date { margin-top: 0.3rem; color: var(--text-muted); font-size: 0.9rem; }
.wallet-item__right { display: flex; align-items: center; gap: 0.65rem; }
.wallet-item__mode { font-size: 0.88rem; color: var(--text-muted); }
.status-pill, .status-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 0.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.78rem;
  font-weight: 700;
}
.status-pill--small { min-width: 38px; height: 38px; }
.status-pending { background: #fff7ed; color: #b45309; border-color: #fdba74; }
.status-paid { background: #ecfdf5; color: #15803d; border-color: #86efac; }
.status-late { background: #fef2f2; color: #b91c1c; border-color: #fca5a5; }
.status-btn { cursor: pointer; background: #fff; }

.menu-form { display: grid; gap: 1rem; }
.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}
.toggle-row input { width: 18px; height: 18px; accent-color: var(--primary); }
.section-separator { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.settings-card { padding: 1rem; }
.settings-card__title { font-weight: 700; margin-bottom: 0.9rem; }
.settings-card__form { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.settings-card__input { flex: 1 1 240px; }
.settings-card__help { margin: 0.8rem 0 0; color: var(--text-muted); line-height: 1.5; }
.section-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-toolbar__title { font-weight: 700; }
.admin-menu-row, .preview-card, .payment-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.admin-menu-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
}
.admin-menu-row + .admin-menu-row { margin-top: 0.85rem; }
.admin-menu-row__title { font-weight: 700; }
.admin-menu-row__title span { color: var(--text-muted); margin-left: 0.35rem; font-weight: 600; }
.admin-menu-row__desc { margin-top: 0.4rem; color: var(--text); }
.admin-menu-row__meta, .admin-menu-row__reservations { margin-top: 0.45rem; color: var(--text-muted); font-size: 0.92rem; line-height: 1.5; }
.admin-menu-row__actions { display: flex; align-items: center; gap: 0.6rem; }
.preview-card + .preview-card { margin-top: 1rem; }
.preview-card__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
}
.preview-card__head h3 { margin: 0; font-size: 1rem; }
.preview-card__head p { margin: 0.35rem 0 0; color: var(--text-muted); }
.preview-card__stats { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.preview-card__body { padding: 1rem 1.1rem; }
.stat-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
}
.reservation-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
}
.reservation-row + .reservation-row { border-top: 1px solid var(--border); }
.reservation-row__name { font-weight: 700; }
.reservation-row__meta { margin-top: 0.3rem; color: var(--text-muted); font-size: 0.9rem; }
.payment-list { display: grid; gap: 0.85rem; }
.payment-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
}
.payment-item__name { font-weight: 700; }
.payment-item__email { margin-top: 0.35rem; color: var(--text-muted); font-size: 0.9rem; }
.payment-item__balance { margin-top: 0.45rem; font-weight: 700; }
.payment-item__balance.is-positive { color: var(--success); }
.payment-item__balance.is-negative { color: var(--danger); }
.payment-item__actions { display: flex; align-items: center; gap: 0.65rem; }
.payment-item__input { width: 120px; }

.empty-state {
  padding: 1.4rem;
  text-align: center;
  color: var(--text-muted);
}
.empty-state__title { font-weight: 700; color: var(--text); }
.empty-state__desc { margin-top: 0.3rem; }
.toast-container {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.6rem;
  z-index: 200;
}
.toast {
  min-width: 260px;
  max-width: 360px;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  color: #fff;
  box-shadow: var(--shadow-md);
}
.toast--success { background: #166534; }
.toast--error { background: #991b1b; }
.toast--warning { background: #a16207; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 300;
}
.modal {
  width: min(480px, 100%);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 1.4rem;
}
.modal__title { margin: 0 0 0.8rem; font-size: 1.2rem; }
.modal__text { margin: 0; color: var(--text-muted); line-height: 1.6; }
.modal__actions { display: flex; justify-content: flex-end; gap: 0.75rem; margin-top: 1.25rem; }

@media (max-width: 960px) {
  .client-layout, .stats-grid { grid-template-columns: 1fr; }
  .payment-item, .admin-menu-row, .preview-card__head { flex-direction: column; align-items: stretch; }
  .payment-item__actions, .admin-menu-row__actions { justify-content: flex-start; flex-wrap: wrap; }
}

@media (max-width: 640px) {
  .page { width: min(100% - 1rem, 1240px); }
  .auth-form__row, .action-grid { grid-template-columns: 1fr; }
  .navbar { padding: 0.9rem 1rem; }
  .navbar__center { display: none; }
  .week-nav { padding: 0.9rem; }
  .settings-card__form { flex-direction: column; align-items: stretch; }
  .segmented-control { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .segment-btn { width: 100%; }
}