/**
 * Kalimasada Management Portal — Login Page
 * Split layout, dual-theme backgrounds, PT Kalimasada branding
 */

*, *::before, *::after { box-sizing: border-box; }

body.km-login-page {
  position: relative;
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: var(--body-bg);
  transition: var(--theme-transition);
  overflow-x: hidden;
}

/* ── Background layers ── */
body.km-login-page::before,
body.km-login-page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body.km-login-page {
  background:
    radial-gradient(circle at 15% 20%, rgba(14, 165, 233, .12), transparent 42%),
    radial-gradient(circle at 85% 75%, rgba(99, 102, 241, .08), transparent 38%),
    linear-gradient(160deg, #f0f9ff 0%, #f8fafc 55%, #f1f5f9 100%);
}

[data-theme="light"] body.km-login-page::before {
  background-image: radial-gradient(rgba(14, 165, 233, .18) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .35;
}

[data-theme="dark"] body.km-login-page {
  background:
    radial-gradient(circle at 20% 15%, rgba(14, 165, 233, .18), transparent 42%),
    radial-gradient(circle at 80% 80%, rgba(99, 102, 241, .14), transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, .06), transparent 55%),
    #0a0f1a;
}

[data-theme="dark"] body.km-login-page::before {
  background-image: radial-gradient(rgba(148, 163, 184, .12) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .4;
}

[data-theme="dark"] body.km-login-page::after {
  background:
    radial-gradient(ellipse 60% 40% at 10% 90%, rgba(14, 165, 233, .08), transparent),
    radial-gradient(ellipse 50% 35% at 90% 10%, rgba(99, 102, 241, .1), transparent);
}

/* ── Shell layout ── */
.km-login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 440px);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(22px, 5vw, 56px);
}

/* ── Hero panel ── */
.km-login-hero {
  padding: clamp(10px, 2vw, 18px);
}

[data-theme="light"] .km-login-hero {
  color: var(--text-primary);
}

[data-theme="dark"] .km-login-hero {
  color: #fff;
  text-shadow: 0 2px 18px rgba(2, 6, 23, .5);
}

.km-login-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .05em;
  text-transform: uppercase;
}

[data-theme="light"] .km-login-eyebrow {
  border: 1px solid rgba(14, 165, 233, .25);
  background: rgba(14, 165, 233, .08);
  color: #0369a1;
}

[data-theme="dark"] .km-login-eyebrow {
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .88);
}

.km-login-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 24px;
}

.km-login-brand-logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
  line-height: 0;
}

[data-theme="light"] .km-login-brand-logo {
  background: transparent;
  border: none;
  box-shadow: none;
}

[data-theme="dark"] .km-login-brand-logo {
  background: transparent;
  border: none;
  box-shadow: none;
}

.km-login-brand-logo img {
  display: block;
  width: auto;
  height: 72px;
  max-width: 200px;
  object-fit: contain;
}

.km-login-company {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.3;
}

[data-theme="light"] .km-login-company { color: var(--text-primary); }
[data-theme="dark"] .km-login-company { color: #fff; }

.km-login-product {
  margin: 4px 0 0;
  font-size: .88rem;
  font-weight: 450;
}

[data-theme="light"] .km-login-product { color: var(--text-muted); }
[data-theme="dark"] .km-login-product { color: rgba(226, 232, 240, .75); }

.km-login-hero h1 {
  max-width: 640px;
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.08;
  font-weight: 750;
  letter-spacing: -.04em;
}

[data-theme="light"] .km-login-hero h1 { color: var(--text-primary); }
[data-theme="dark"] .km-login-hero h1 { color: #fff; }

.km-login-hero > p {
  max-width: 580px;
  margin: 0;
  font-size: clamp(.95rem, 1.8vw, 1.1rem);
  line-height: 1.75;
  font-weight: 400;
}

[data-theme="light"] .km-login-hero > p { color: var(--text-secondary); }
[data-theme="dark"] .km-login-hero > p { color: rgba(226, 232, 240, .82); }

/* ── Motivation cards ── */
.km-login-motivation {
  display: grid;
  gap: 12px;
  max-width: 640px;
  margin-top: 28px;
}

.km-motivation-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 20px;
  backdrop-filter: blur(14px);
}

[data-theme="light"] .km-motivation-card {
  border: 1px solid rgba(14, 165, 233, .15);
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
}

[data-theme="dark"] .km-motivation-card {
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(15, 23, 42, .32);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .15);
}

.km-motivation-card i {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  border-radius: 12px;
  font-size: 1rem;
}

[data-theme="light"] .km-motivation-card i {
  background: rgba(14, 165, 233, .12);
  color: #0284c7;
}

[data-theme="dark"] .km-motivation-card i {
  background: rgba(14, 165, 233, .18);
  color: #7dd3fc;
}

.km-motivation-card strong {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
  font-size: .94rem;
}

[data-theme="light"] .km-motivation-card strong { color: var(--text-primary); }
[data-theme="dark"] .km-motivation-card strong { color: #fff; }

.km-motivation-card span {
  line-height: 1.55;
  font-size: .9rem;
  font-weight: 400;
}

[data-theme="light"] .km-motivation-card span { color: var(--text-muted); }
[data-theme="dark"] .km-motivation-card span { color: rgba(226, 232, 240, .75); }

/* ── Login card ── */
.km-login-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  border-radius: 28px;
  transition: var(--theme-transition);
}

[data-theme="light"] .km-login-card {
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: 0 24px 64px rgba(15, 23, 42, .1);
}

[data-theme="dark"] .km-login-card {
  border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(30, 41, 59, .85);
  backdrop-filter: blur(20px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .35);
}

.km-login-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, #0ea5e9, #6366f1, #22c55e);
}

.km-login-card-inner {
  padding: clamp(26px, 4vw, 38px);
}

.km-login-card-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 24px;
}

.km-login-card-brand .km-login-brand-logo {
  margin: 0;
  padding: 0;
}

.km-login-card-brand .km-login-brand-logo img {
  height: 56px;
  max-width: 170px;
}

.km-login-card-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: -.03em;
  color: var(--text-primary);
}

.km-login-card-subtitle {
  margin: 2px 0 0;
  font-size: .84rem;
  color: var(--text-muted);
  font-weight: 450;
}

.km-login-heading {
  margin-bottom: 22px;
}

.km-login-heading h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.8vw, 1.85rem);
  font-weight: 720;
  letter-spacing: -.03em;
  color: var(--text-primary);
}

.km-login-heading p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: .9rem;
}

/* ── Form ── */
.km-login-form .form-label {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: .84rem;
  margin-bottom: 8px;
}

.km-input-wrap {
  position: relative;
}

.km-input-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  z-index: 2;
  font-size: .95rem;
}

.km-login-form .form-control {
  min-height: 50px;
  border-radius: 14px;
  border: 1.5px solid var(--input-border);
  padding: 12px 16px 12px 44px;
  color: var(--input-text);
  background: var(--input-bg);
  font-weight: 450;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.km-login-form .form-control::placeholder {
  color: var(--input-placeholder);
}

.km-login-form .form-control:focus {
  border-color: #0ea5e9;
  box-shadow: 0 0 0 4px rgba(14, 165, 233, .14);
  background: var(--input-bg);
  color: var(--input-text);
}

.km-btn-login {
  width: 100%;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff !important;
  font-weight: 700;
  letter-spacing: -.01em;
  box-shadow: 0 16px 32px rgba(14, 165, 233, .25);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  cursor: pointer;
}

.km-btn-login:hover {
  color: #fff !important;
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(14, 165, 233, .3);
}

/* ── Theme switcher (below login button) ── */
.km-login-theme-btn {
  width: 100%;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.km-login-theme-btn:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--text-primary);
}

.km-login-theme-btn i {
  font-size: 1rem;
  transition: transform .3s ease;
}

.km-login-footer {
  margin-top: 20px;
  text-align: center;
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.km-login-form .alert {
  border: 0;
  border-radius: 12px;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .km-login-shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 22px 16px;
  }

  .km-login-hero {
    text-align: center;
  }

  .km-login-brand {
    justify-content: center;
  }

  .km-login-hero h1,
  .km-login-hero > p {
    margin-left: auto;
    margin-right: auto;
  }

  .km-login-motivation {
    display: none;
  }
}