/* ══════════════════════════════════════════════
   ZeperGo ERP — Register (4-step) Page Styles
   Standalone — mirrors wireframe spec
   ══════════════════════════════════════════════ */

:root {
  --primary-50:#f5f3ff; --primary-100:#ede9fe; --primary-200:#ddd6fe;
  --primary-300:#c4b5fd; --primary-400:#a78bfa; --primary-500:#8b5cf6;
  --primary-600:#7c3aed; --primary-700:#6d28d9; --primary-800:#5b21b6;
  --primary-900:#4c1d95;
  --success:#10b981; --success-dark:#047857;
  --warning:#f59e0b; --warning-dark:#b45309;
  --error:#ef4444;   --error-dark:#b91c1c;
  --surface:#ffffff; --surface-2:#f8fafc; --surface-3:#f1f5f9;
  --content:#0f172a; --content-2:#475569; --content-muted:#64748b; --content-disabled:#94a3b8;
  --border:#e5e7eb; --border-2:#e2e8f0; --border-3:#f1f5f9;
  --shadow-card:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);
  --shadow-dropdown:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --font:'Inter','Plus Jakarta Sans',system-ui,sans-serif;
  --font-display:'Plus Jakarta Sans','Inter',sans-serif;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--content);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; border: none; }
a { cursor: pointer; text-decoration: none; }
input, select, textarea { font-family: inherit; }

/* ── Logo ── */
.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: #fff; border-radius: 11px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 16px;
  box-shadow: 0 8px 22px rgba(139,92,246,.45);
}
.logo__text { font-family: var(--font-display); font-weight: 800; font-size: 16px; letter-spacing: -.3px; color: var(--content); }
.logo__tag { font-weight: 500; color: var(--content-muted); margin-left: 4px; font-size: 11px; opacity: .7; text-transform: uppercase; letter-spacing: .5px; }

/* ── Buttons ── */
.btn {
  border: 2px solid transparent;
  border-radius: 9999px;
  padding: 10px 22px;
  font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: all .2s ease;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.btn--primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: #fff;
  box-shadow: 0 4px 12px -2px rgba(139,92,246,.35);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  box-shadow: 0 6px 16px -2px rgba(124,58,237,.45);
  transform: translateY(-1px);
}
.btn--primary:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn--outline { background: #fff; color: #374151; border-color: #d1d5db; }
.btn--outline:hover { background: #f9fafb; }
.btn--sm { padding: 8px 16px; font-size: 12px; }
.btn--lg { padding: 14px 28px; font-size: 14px; }
.btn--full { width: 100%; }
.btn--icon-r::after { content: '→'; font-weight: 400; }

/* ── Form fields ── */
.field { margin-bottom: 16px; }
.field__label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 7px; }
.field__input, .field__select, .field__textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px; font-family: inherit; color: var(--content);
  background: #fff;
  transition: all .2s ease;
}
.field__input:focus, .field__select:focus, .field__textarea:focus {
  outline: none; border-color: transparent;
  box-shadow: 0 0 0 2px var(--primary-500);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.req { color: var(--error); }
.opt { color: var(--content-disabled); font-weight: 400; font-size: 11px; margin-left: 4px; }
.field__hint { font-size: 11.5px; color: var(--content-muted); margin-top: 6px; line-height: 1.45; }
.field__error { font-size: 11.5px; color: var(--error-dark); margin-top: 6px; }
.field__input--locked { background: #f1f5f9; color: var(--content-muted); cursor: not-allowed; }

/* ── Phone / verify rows ── */
.verify-row, .phone-row { display: grid; gap: 8px; align-items: center; }
.verify-row { grid-template-columns: 1fr auto; }
.phone-row { grid-template-columns: auto 1fr auto; }
.phone-prefix {
  display: inline-flex; align-items: center; gap: 6px;
  background: #f8fafc; border: 1px solid #d1d5db;
  border-radius: 8px; padding: 10px 12px;
  font-size: 13px; font-weight: 700; color: var(--content);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.verify-btn { white-space: nowrap; }

/* ── Steps bar ── */
.steps { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 28px auto 30px; max-width: 460px; }
.steps__item { display: flex; align-items: center; gap: 8px; }
.steps__circle {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-3); color: var(--content-disabled);
  display: grid; place-items: center;
  font-weight: 700; font-size: 12px;
}
.steps__circle--active { background: var(--primary-600); color: #fff; box-shadow: 0 4px 12px -2px rgba(139,92,246,.35); }
.steps__circle--done { background: var(--success); color: #fff; }
.steps__lbl { font-size: 12px; font-weight: 600; color: var(--content-disabled); }
.steps__lbl--active { color: var(--content); }
.steps__line { flex: 1; height: 2px; background: var(--border); border-radius: 2px; min-width: 28px; }
.steps__line--done { background: var(--success); }

/* ── Register shell ── */
.reg { background: linear-gradient(180deg, var(--surface-2) 0%, var(--primary-50) 100%); padding: 32px; min-height: 100vh; }
.reg__top { max-width: 760px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 4px; }
.reg__top-r { font-size: 13px; color: var(--content-muted); }
.reg__top-r a { color: var(--primary-700); font-weight: 600; margin-left: 6px; }
.reg__card { max-width: 520px; margin: 0 auto; background: #fff; border-radius: 16px; padding: 36px 36px 28px; box-shadow: var(--shadow-dropdown); border: 1px solid var(--border); }
.reg__card--wide { max-width: 760px; }
.reg__h { font-family: var(--font-display); font-size: 26px; font-weight: 800; letter-spacing: -.5px; margin: 0 0 6px; }
.reg__sub { color: var(--content-muted); font-size: 13.5px; margin-bottom: 24px; }
.reg__or { text-align: center; color: var(--content-disabled); font-size: 11px; margin: 16px 0; text-transform: uppercase; letter-spacing: .08em; position: relative; font-weight: 600; }
.reg__or::before, .reg__or::after { content: ''; position: absolute; top: 50%; width: calc(50% - 24px); height: 1px; background: var(--border); }
.reg__or::before { left: 0; }
.reg__or::after { right: 0; }
.reg__terms { font-size: 11.5px; color: var(--content-disabled); text-align: center; margin-top: 14px; line-height: 1.5; }
.reg__terms a { color: var(--primary-700); }
.reg__actions { display: flex; gap: 10px; margin-top: 8px; }

/* ── Password strength ── */
.pwd-strength { height: 4px; background: var(--border-3); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.pwd-strength__fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--error), var(--warning)); border-radius: 2px; transition: width .25s ease, background .25s ease; }
.pwd-meter { display: flex; justify-content: space-between; font-size: 10.5px; margin-top: 4px; }
.pwd-meter__lbl { color: var(--content-muted); }
.pwd-meter__val { color: var(--warning-dark); font-weight: 700; }

/* ── Google sign-in button ── */
.google-btn {
  width: 100%; background: #fff; border: 1px solid #d1d5db;
  border-radius: 8px; padding: 11px 16px; font-size: 13.5px; font-weight: 600;
  color: #374151; display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all .2s ease;
}
.google-btn:hover { background: #f9fafb; }
.google-icon { width: 18px; height: 18px; border-radius: 50%; background: conic-gradient(from 90deg, #4285F4 0% 25%, #34A853 25% 50%, #FBBC05 50% 75%, #EA4335 75% 100%); }

/* ── Modules grid ── */
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.mc { padding: 12px 12px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 12px; font-weight: 600; color: var(--content-2); cursor: pointer; background: #fff; display: flex; align-items: center; gap: 8px; transition: all .2s ease; user-select: none; }
.mc:hover { border-color: var(--primary-300); }
.mc.on { border-color: var(--primary-600); background: var(--primary-50); color: var(--primary-700); }
.mc__ico { font-size: 16px; }

.mc-all {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 14px; align-items: center;
  background: #fff; border: 2px solid var(--border);
  border-radius: 12px; padding: 16px 18px;
  margin-bottom: 14px; cursor: pointer;
  transition: all .2s ease; user-select: none;
}
.mc-all:hover { border-color: var(--primary-300); }
.mc-all.on { border-color: var(--primary-600); background: linear-gradient(135deg, var(--primary-50), #fff); }
.mc-all__check {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: #fff; display: grid; place-items: center;
  font-weight: 700; font-size: 14px;
}
.mc-all__t { font-family: var(--font-display); font-weight: 800; font-size: 15px; color: var(--content); }
.mc-all__s { font-size: 12.5px; color: var(--content-muted); margin-top: 2px; }
.mc-all__pill {
  background: var(--primary-600); color: #fff;
  font-size: 10px; font-weight: 700;
  padding: 4px 10px; border-radius: 99px;
  text-transform: uppercase; letter-spacing: .06em;
}

.mc-divider {
  text-align: center; margin: 6px 0 14px;
  font-size: 11px; color: var(--content-disabled);
  text-transform: uppercase; letter-spacing: .12em;
  font-weight: 600; position: relative;
}
.mc-divider span { background: #fff; padding: 0 10px; position: relative; z-index: 1; }
.mc-divider::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%;
  height: 1px; background: var(--border);
}

/* ── Address autofill ── */
.addr-search { position: relative; }
.addr-ico {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 16px; pointer-events: none;
}
.addr-input { padding-left: 40px; }
.addr-suggestions {
  background: #fff; border: 1px solid var(--border-2);
  border-radius: 10px; margin-top: 6px;
  box-shadow: var(--shadow-dropdown);
  overflow: hidden;
  display: none;
}
.addr-suggestions.show { display: block; }
.addr-sg {
  display: flex; gap: 12px; align-items: center;
  padding: 10px 14px; font-size: 13px; color: var(--content-2);
  border-bottom: 1px solid var(--border-3); cursor: pointer;
  transition: background .15s ease;
}
.addr-sg:last-child { border-bottom: none; }
.addr-sg:hover { background: var(--primary-50); }
.addr-sg.is-active { background: var(--primary-50); }
.addr-sg__ico { font-size: 14px; color: var(--primary-600); }
.addr-sg strong { color: var(--content); font-weight: 700; }

/* ── Plan selection ── */
.bill-row { display: flex; align-items: center; gap: 14px; justify-content: center; margin-bottom: 24px; flex-wrap: wrap; }
.bill-toggle { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: 99px; padding: 4px; box-shadow: var(--shadow-card); }
.bill-toggle button { background: transparent; border: none; padding: 8px 22px; border-radius: 99px; font-size: 13px; font-weight: 600; color: var(--content-muted); }
.bill-toggle button.active { background: linear-gradient(135deg, var(--primary-500), var(--primary-600)); color: #fff; box-shadow: 0 4px 12px -2px rgba(139,92,246,.35); }
.save-badge { background: var(--success); color: #fff; font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 99px; text-transform: uppercase; letter-spacing: .04em; }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan-sel { background: #fff; border: 2px solid var(--border); border-radius: 14px; padding: 22px 18px; text-align: center; cursor: pointer; position: relative; transition: all .2s ease; }
.plan-sel:hover { border-color: var(--primary-300); }
.plan-sel.selected { border-color: var(--primary-600); background: var(--primary-50); }
.plan-sel__check { position: absolute; top: 12px; right: 12px; width: 22px; height: 22px; background: linear-gradient(135deg, var(--primary-500), var(--primary-600)); color: #fff; border-radius: 50%; display: none; place-items: center; font-weight: 700; font-size: 12px; }
.plan-sel.selected .plan-sel__check { display: grid; }
.plan-sel__badge { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--primary-500), var(--primary-600)); color: #fff; font-size: 9.5px; font-weight: 700; padding: 4px 10px; border-radius: 99px; letter-spacing: .04em; text-transform: uppercase; box-shadow: 0 4px 12px -2px rgba(139,92,246,.35); }
.plan-sel__name { font-family: var(--font-display); font-weight: 800; font-size: 15px; margin-bottom: 4px; }
.plan-sel__price { font-family: var(--font-display); font-weight: 800; font-size: 24px; letter-spacing: -.5px; color: var(--content); margin-top: 8px; }
.plan-sel__period { font-size: 13px; color: var(--content-muted); font-weight: 500; }
.plan-sel__users { font-size: 11.5px; color: var(--content-muted); margin-top: 4px; font-weight: 500; }

.enterprise-row { background: var(--surface-2); border: 1px dashed var(--border-2); border-radius: 12px; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 16px; }
.enterprise-row__t { font-family: var(--font-display); font-weight: 700; font-size: 13.5px; }
.enterprise-row__s { font-size: 12.5px; color: var(--content-muted); margin-top: 2px; }

.trial-note { background: linear-gradient(135deg, var(--primary-50) 0%, #ecfdf5 100%); border: 1px solid var(--primary-300); border-radius: 12px; padding: 14px 16px; margin: 18px 0 6px; display: flex; gap: 12px; align-items: center; }
.trial-note__ico { font-size: 22px; }
.trial-note__t { font-size: 12.5px; line-height: 1.5; color: var(--content-2); }

.info-callout { background: var(--primary-50); border: 1px solid var(--primary-200); border-radius: 10px; padding: 12px 14px; font-size: 12.5px; color: var(--content-2); line-height: 1.5; margin-top: 14px; }

/* ── Step panes ── */
.step-pane { display: none; }
.step-pane.active { display: block; }

/* Inline alerts */
.alert {
  background: #fef2f2; border: 1px solid #fecaca; color: var(--error-dark);
  border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 768px) {
  .reg { padding: 16px; }
  .reg__card, .reg__card--wide { padding: 24px 20px; max-width: 100%; }
  .field-row { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-grid { grid-template-columns: 1fr; }
  .steps__lbl { display: none; }
}