:root {
  --green: #1A3D2E;
  --green-light: #E1F5EE;
  --green-mid: #0F6E56;
  --amber-light: #FAEEDA;
  --amber-dark: #854F0B;
  --red-light: #FCEBEB;
  --red-dark: #A32D2D;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-tertiary: #999;
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7f5;
  --bg-tertiary: #f2f0eb;
  --border: rgba(0,0,0,0.1);
  --border-strong: rgba(0,0,0,0.2);
  --radius-md: 8px;
  --radius-lg: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f0f0f0;
    --text-secondary: #aaa;
    --text-tertiary: #666;
    --bg-primary: #1c1c1e;
    --bg-secondary: #2c2c2e;
    --bg-tertiary: #111113;
    --border: rgba(255,255,255,0.1);
    --border-strong: rgba(255,255,255,0.2);
    --green-light: #0a2018;
    --amber-light: #2a1e08;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-tertiary);
  height: 100%;
  overflow: hidden;
}

/* ── AUTH ── */
#auth-wrapper {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 100vh;
  padding: 24px; background: var(--green);
}
.auth-screen { display: none; width: 100%; max-width: 400px; }
.auth-screen.active { display: block; }
.auth-logo { font-size: 28px; font-weight: 700; color: #fff; letter-spacing: 3px; text-align: center; margin-bottom: 4px; }
.auth-sub { font-size: 13px; color: rgba(255,255,255,0.6); text-align: center; margin-bottom: 28px; }
.auth-card { background: var(--bg-primary); border-radius: var(--radius-lg); padding: 24px; }
.auth-card h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.switch-auth { font-size: 13px; color: var(--text-secondary); text-align: center; margin-top: 16px; }
.switch-auth a { color: var(--green); cursor: pointer; font-weight: 500; }
.error-msg { color: var(--red-dark); font-size: 13px; background: var(--red-light); padding: 8px 12px; border-radius: var(--radius-md); margin-bottom: 12px; display: none; }
.error-msg.visible { display: block; }

/* ── APP WRAPPER ── */
#app-wrapper { height: 100dvh; overflow: hidden; }
.app-screen { display: none; flex-direction: column; height: 100dvh; min-height: -webkit-fill-available; }
.app-screen.active { display: flex; }

/* ── TOP BAR ── */
.top-bar {
  background: var(--green); color: #fff;
  padding: 52px 20px 16px;
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.logo { font-size: 18px; font-weight: 700; letter-spacing: 2px; flex: 1; }
.greeting { font-size: 12px; opacity: 0.65; margin-top: 2px; }
.back-btn {
  font-size: 14px; color: rgba(255,255,255,0.85);
  background: none; border: none; cursor: pointer; padding: 4px 0;
}

/* ── CONTENT ── */
.content { flex: 1; overflow-y: auto; padding: 20px; background: var(--bg-tertiary); }
.loading-text { font-size: 14px; color: var(--text-secondary); text-align: center; padding: 24px 0; }

/* ── NAV BAR ── */
.nav-bar {
  display: flex; background: var(--bg-primary);
  border-top: 0.5px solid var(--border);
  padding: 8px 0 env(safe-area-inset-bottom, 12px);
  flex-shrink: 0;
}
.nav-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; cursor: pointer; padding: 4px 0; }
.nav-item svg { width: 22px; height: 22px; stroke: var(--text-tertiary); fill: none; stroke-width: 1.5; }
.nav-item span { font-size: 10px; color: var(--text-tertiary); }
.nav-item.active svg { stroke: var(--green); }
.nav-item.active span { color: var(--green); }

/* ── SECTION TITLE ── */
.section-title { font-size: 11px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 10px; }

/* ── SERVICE BUTTONS ── */
.service-btn {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-primary); border-radius: var(--radius-lg);
  border: 0.5px solid var(--border); padding: 16px;
  margin-bottom: 10px; cursor: pointer; width: 100%; text-align: left;
  transition: border-color 0.15s;
}
.service-btn:active { opacity: 0.8; }
.service-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.icon-green { background: var(--green-light); }
.icon-amber { background: var(--amber-light); }
.service-btn .label { font-size: 15px; font-weight: 500; color: var(--text-primary); }
.service-btn .sublabel { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.chevron { margin-left: auto; color: var(--text-tertiary); font-size: 20px; }

/* ── TABS ── */
.tab-row { display: flex; gap: 6px; margin-bottom: 16px; }
.tab {
  flex: 1; padding: 8px 4px; text-align: center; font-size: 13px; font-weight: 500;
  border-radius: var(--radius-md); cursor: pointer;
  border: 0.5px solid var(--border); background: var(--bg-primary); color: var(--text-secondary);
}
.tab.active { background: var(--green); color: #fff; border-color: var(--green); }

/* ── TARIFF ROWS ── */
.tariff-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 0.5px solid var(--border); cursor: pointer;
}
.tariff-row:last-child { border-bottom: none; }
.tariff-row.selected { background: var(--green-light); margin: 0 -4px; padding: 12px 4px; border-radius: var(--radius-md); }
.tariff-row.popular { border: 1.5px solid var(--green); border-radius: var(--radius-md); padding: 12px; margin-bottom: 8px; }
.tariff-name { font-size: 14px; color: var(--text-primary); }
.tariff-detail { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.tariff-price { font-size: 16px; font-weight: 600; color: var(--green); flex-shrink: 0; margin-left: 12px; }
.popular-badge { font-size: 11px; color: var(--green-mid); font-weight: 600; margin-bottom: 4px; }

/* ── CARD ── */
.card { background: var(--bg-primary); border-radius: var(--radius-lg); border: 0.5px solid var(--border); padding: 16px; margin-bottom: 12px; }

/* ── BOOKING CARDS ── */
.booking-card { background: var(--bg-primary); border-radius: var(--radius-lg); border: 0.5px solid var(--border); padding: 14px 16px; margin-bottom: 10px; }
.booking-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; }
.booking-title { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.booking-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.booking-pkg { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
.divider { height: 0.5px; background: var(--border); margin: 10px 0; }
.cancel-btn { font-size: 13px; color: var(--red-dark); background: none; border: none; cursor: pointer; padding: 0; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-secondary); font-size: 14px; }

/* ── BADGES ── */
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 20px; }
.badge-green { background: var(--green-light); color: var(--green-mid); }
.badge-amber { background: var(--amber-light); color: var(--amber-dark); }
.badge-red { background: var(--red-light); color: var(--red-dark); }

/* ── FORM ── */
label { font-size: 13px; color: var(--text-secondary); display: block; margin-bottom: 4px; margin-top: 12px; }
label:first-child { margin-top: 0; }
.input-field {
  width: 100%; padding: 11px 12px;
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-md); font-size: 14px;
  background: var(--bg-primary); color: var(--text-primary);
  margin-bottom: 4px; outline: none; appearance: none;
}
.input-field:focus { border-color: var(--green); }

/* ── PAYMENT OPTIONS ── */
.payment-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 0.5px solid var(--border);
  border-radius: var(--radius-md); margin-bottom: 8px; cursor: pointer; background: var(--bg-primary);
}
.payment-opt.selected { border-color: var(--green); border-width: 1.5px; }
.radio { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--border-strong); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.radio.checked { border-color: var(--green); background: var(--green); }
.radio.checked::after { content: ''; width: 6px; height: 6px; border-radius: 50%; background: white; }
.pay-label { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.pay-sub { font-size: 12px; color: var(--text-secondary); }

/* ── SUMMARY ── */
.summary-row { display: flex; justify-content: space-between; font-size: 13px; padding: 4px 0; color: var(--text-secondary); }
.summary-row.total { font-size: 15px; font-weight: 600; color: var(--text-primary); padding-top: 10px; border-top: 0.5px solid var(--border); margin-top: 6px; }

/* ── BUTTONS ── */
.btn-primary {
  background: var(--green); color: #fff; border: none;
  border-radius: var(--radius-md); padding: 14px; width: 100%;
  font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 8px;
  transition: opacity 0.15s;
}
.btn-primary:active { opacity: 0.85; }
.btn-outline {
  background: transparent; color: var(--green);
  border: 1px solid var(--green); border-radius: var(--radius-md);
  padding: 12px; width: 100%; font-size: 14px; font-weight: 500;
  cursor: pointer; margin-top: 8px;
}
.logout-btn { color: var(--red-dark); border-color: var(--red-dark); }

/* ── PROFILO ── */
.avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--green-light); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; color: var(--green-mid); flex-shrink: 0; }
.td-label { color: var(--text-secondary); padding: 8px 0; font-size: 13px; }
.td-val { text-align: right; color: var(--text-primary); font-size: 13px; padding: 8px 0; }
.tr-border { border-top: 0.5px solid var(--border); }

/* ── CALENDARIO ── */
.cal-wrapper { background: var(--bg-primary); border-radius: var(--radius-lg); border: 0.5px solid var(--border); padding: 16px; margin-bottom: 12px; }
.cal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cal-nav { background: none; border: 0.5px solid var(--border); border-radius: var(--radius-md); width: 32px; height: 32px; font-size: 18px; cursor: pointer; color: var(--text-primary); display: flex; align-items: center; justify-content: center; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-cell { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 13px; border-radius: 50%; cursor: pointer; }
.cal-dow { font-size: 11px; font-weight: 600; color: var(--text-tertiary); cursor: default; }
.cal-available { color: var(--text-primary); }
.cal-available:hover { background: var(--green-light); color: var(--green); }
.cal-selected { background: var(--green) !important; color: #fff !important; }
.cal-today { border: 1.5px solid var(--green); color: var(--green); font-weight: 600; }
.cal-busy { background: #FCEBEB; color: #A32D2D; cursor: not-allowed; text-decoration: line-through; }
.cal-closed { color: var(--text-tertiary); cursor: not-allowed; opacity: 0.4; }
.cal-past { color: var(--text-tertiary); cursor: not-allowed; opacity: 0.3; }
.cal-empty { cursor: default; }
.cal-legend { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-secondary); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-available { background: var(--green); }
.dot-busy { background: #A32D2D; }
.dot-closed { background: var(--border); }

/* ── ORARI ── */
.slots-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; }
.slot { padding: 10px 4px; text-align: center; font-size: 13px; font-weight: 500; border-radius: var(--radius-md); border: 0.5px solid var(--border); cursor: pointer; color: var(--text-primary); background: var(--bg-primary); }
.slot:hover { border-color: var(--green); color: var(--green); }
.slot.selected { background: var(--green); color: #fff; border-color: var(--green); }

.nav-bar {
  background: #ffffff !important;
  border-top: 1px solid #e0e0e0 !important;
}
.nav-item svg {
  stroke: #666666 !important;
}
.nav-item span {
  color: #666666 !important;
}
.nav-item.active svg {
  stroke: #1A3D2E !important;
}
.nav-item.active span {
  color: #1A3D2E !important;
}