/* ══════════════════════════════════════════════
   ZeperGo ERP — Login Page Styles
   Standalone — includes own design tokens
   ══════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --primary-50: #f5f3ff;
  --primary-100: #ede9fe;
  --primary-300: #c4b5fd;
  --primary-400: #a78bfa;
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --primary-900: #4c1d95;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --surface-soft: #f8fafc;
  --sidebar-from: #0f172a;
  --sidebar-mid: #1e293b;
  --sidebar-to: #0f172a;
  --accent-violet: #a78bfa;
  --brand: #8b5cf6;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ══════════════════════════════════════════════
   LAYOUT — split grid
   ══════════════════════════════════════════════ */
.login {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  min-height: 100vh;
  background: #fff;
}

/* ── Left Brand Panel ── */
.login__brand {
  background: linear-gradient(180deg, var(--sidebar-from) 0%, var(--sidebar-mid) 50%, var(--sidebar-to) 100%);
  color: #fff;
  padding: 24px 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(139,92,246,.15);
}
.login__brand::before {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,.3), transparent 70%);
  right: -130px; top: -130px;
}
.login__brand-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}

/* Logo */
.login__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}
.login__logo-mark {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800; font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px -2px rgba(139,92,246,.5);
}
.login__logo-text {
  font-family: var(--font-display);
  font-weight: 800; font-size: 24px;
  color: #fff; letter-spacing: -.5px;
}
.login__logo-tag {
  font-weight: 600; font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-left: 5px; letter-spacing: .04em;
}

/* Heading */
.login__h {
  font-family: var(--font-display);
  font-size: 46px; font-weight: 800;
  letter-spacing: -1.5px; line-height: 1.08;
  margin: 0 0 20px;
}
.login__sub {
  color: rgba(255,255,255,.75);
  font-size: 17px; line-height: 1.65;
  margin: 0 0 32px; max-width: 460px;
}

/* Check items */
.login__checks {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
}
.login__check {
  display: flex; gap: 12px;
  align-items: center;
  font-size: 15px;
  color: rgba(255,255,255,.85);
}
.login__check-ico {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}

/* Dashboard Mockup */
.login__mockup {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 22px;
  backdrop-filter: blur(10px);
}
.login__mockup-lbl {
  font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.45);
  margin-bottom: 16px;
}
.login__kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.login__kpi {
  background: rgba(255,255,255,.05);
  border-radius: 10px;
  padding: 14px;
}
.login__kpi-val {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 800;
  color: #fff;
}
.login__kpi-lbl {
  font-size: 11px;
  color: rgba(255,255,255,.5);
  margin-top: 3px; font-weight: 500;
}

/* Invoice rows */
.login__rows {
  background: rgba(255,255,255,.04);
  border-radius: 10px;
  padding: 8px 16px;
}
.login__row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 13px;
  color: rgba(255,255,255,.85);
}
.login__row:last-child { border-bottom: none; }
.login__row-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.55);
  width: 90px;
}
.login__row-name { flex: 1; }
.login__row-st { font-weight: 700; font-size: 12px; }
.login__row-st--paid { color: var(--success); }
.login__row-st--pending { color: #FDE68A; }

/* ══════════════════════════════════════════════
   RIGHT — Form Panel
   ══════════════════════════════════════════════ */
.login__form-wrap {
  display: grid;
  place-items: center;
  padding: 24px 24px;
  background: linear-gradient(180deg, #fff 0%, var(--surface-soft) 100%);
}
.login__form {
  width: 100%;
  max-width: 540px;
}
.login__form-h {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 800;
  letter-spacing: -.5px;
  margin: 0 0 8px;
  color: var(--text);
}
.login__form-sub {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-bottom: 32px;
  line-height: 1.5;
}

/* Fields */
.login__field { margin-bottom: 20px; }
.login__label {
  display: block;
  font-size: 13.5px; font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.login__input {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.login__input::placeholder {
  color: var(--text-faint);
  font-weight: 400;
}
.login__input:hover {
  border-color: var(--border-strong);
}
.login__input:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(139,92,246,.12);
}
.login__input.has-error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

/* Forgot link */
.login__forgot {
  display: block;
  font-size: 13px;
  color: var(--primary-600);
  font-weight: 600;
  margin-top: -12px;
  margin-bottom: 16px;
  text-align: right;
  transition: color .15s;
}
.login__forgot:hover { color: var(--primary-500); }

/* Remember me */
.login__remember {
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.login__remember input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: 5px;
  cursor: pointer;
  position: relative;
  transition: all .15s;
  flex-shrink: 0;
}
.login__remember input[type="checkbox"]:checked {
  background: var(--primary-500);
  border-color: var(--primary-500);
}
.login__remember input[type="checkbox"]:checked::after {
  content: '\2713';
  position: absolute;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.login__remember input[type="checkbox"]:hover {
  border-color: var(--primary-300);
}
.login__remember-label {
  font-size: 13.5px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

/* Submit button */
.login__btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px; font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 4px 14px -2px rgba(139,92,246,.35);
  letter-spacing: .01em;
}
.login__btn:hover {
  box-shadow: 0 8px 22px -4px rgba(139,92,246,.45);
  transform: translateY(-1px);
}
.login__btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px -2px rgba(139,92,246,.3);
}

/* ── Auth Divider ── */
.auth-divider {
  text-align: center;
  margin: 24px 0;
  color: var(--text-faint);
  font-size: 11px; font-weight: 600;
  position: relative;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 60px);
  height: 1px;
  background: var(--border);
}
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

/* ── Google Button ── */
.google-btn {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 14px; font-weight: 600;
  color: #374151;
  display: flex; align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all .2s ease;
  cursor: pointer;
}
.google-btn:hover {
  background: var(--surface-soft);
  border-color: var(--border-strong);
}
.google-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, #4285F4 0% 25%, #34A853 25% 50%, #FBBC05 50% 75%, #EA4335 75% 100%);
}

/* ── Footer ── */
.login__footer {
  text-align: center;
  margin-top: 22px;
  font-size: 14px;
  color: var(--text-muted);
}
.login__footer a {
  color: var(--primary-600);
  font-weight: 700;
  transition: color .15s;
}
.login__footer a:hover {
  color: var(--primary-500);
}

/* ── Demo Section ── */
.login__demo {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1.5px dashed var(--border);
}
.login__demo-lbl {
  font-size: 11px; font-weight: 700;
  color: var(--text-faint);
  text-align: center;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.login__demo-btns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.login__demo-btn {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 16px 8px 14px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
}
.login__demo-btn:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px -2px rgba(139,92,246,.12);
}
.login__demo-ico {
  font-size: 22px;
  margin-bottom: 6px;
  display: block;
}
.login__demo-t {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
}
.login__demo-s {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 3px;
}

/* ── Error Alert ── */
.login__alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #dc2626;
}
.login__alert--success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #059669;
}

/* ── Password wrapper ── */
.login__pw-wrap {
  position: relative;
}
.login__pw-wrap .login__input {
  padding-right: 42px;
}
.login__pw-toggle {
  position: absolute;
  right: 10px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: var(--text-faint);
  cursor: pointer;
  padding: 4px;
  display: flex; align-items: center;
}
.login__pw-toggle:hover { color: var(--text-muted); }
.login__pw-toggle svg { width: 18px; height: 18px; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .login { grid-template-columns: 1fr; }
  .login__brand { display: none; }
  .login__form-wrap { min-height: 100vh; }
}

@media (max-width: 480px) {
  .login__form-wrap { padding: 32px 20px; }
  .login__form-h { font-size: 26px; }
  .login__demo-btns { grid-template-columns: 1fr; }
}