/* ===== Miltekon Design System ===== */
:root {
  --mk-primary: #1e3a5f;
  --mk-primary-light: #2a4a73;
  --mk-accent: #0d9488;
  --mk-accent-hover: #0f766e;
  --mk-accent-light: rgba(13,148,136,.08);
  --mk-dark: #0f172a;
  --mk-text: #334155;
  --mk-muted: #64748b;
  --mk-light: #f8fafc;
  --mk-border: #e2e8f0;
  --mk-white: #ffffff;
  --mk-danger: #ef4444;
  --mk-success: #10b981;
  --mk-warning: #f59e0b;
  --mk-info: #3b82f6;
  --mk-radius: 12px;
  --mk-radius-lg: 16px;
  --mk-radius-sm: 8px;
  --mk-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --mk-shadow-lg: 0 4px 20px rgba(0,0,0,.08);
  --mk-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

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

body {
  font-family: var(--mk-font);
  color: var(--mk-text);
  line-height: 1.6;
  margin: 0;
  background: var(--mk-light);
  -webkit-font-smoothing: antialiased;
}

/* ===== Auth shared ===== */
.mk-auth {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(165deg, var(--mk-dark) 0%, var(--mk-primary) 55%, #164e63 100%);
  position: relative; overflow: hidden;
}
.mk-auth::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(13,148,136,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(99,102,241,.08) 0%, transparent 50%);
  pointer-events: none;
}
.mk-auth__card {
  position: relative; z-index: 2;
  background: var(--mk-white);
  border-radius: var(--mk-radius-lg);
  box-shadow: 0 25px 60px rgba(0,0,0,.15);
  width: 100%; max-width: 440px;
  padding: 2.5rem 2rem;
}
.mk-auth__card--wide { max-width: 480px; }
.mk-auth__logo {
  display: flex; align-items: center; justify-content: center;
  gap: .5rem; margin-bottom: 1.75rem; text-decoration: none;
}
.mk-auth__logo img { height: 28px; }
.mk-auth__logo span {
  font-weight: 700; font-size: 1.15rem; color: var(--mk-primary);
}
.mk-auth__title {
  font-size: 1.5rem; font-weight: 700; color: var(--mk-dark);
  text-align: center; margin: 0 0 .25rem;
}
.mk-auth__subtitle {
  text-align: center; color: var(--mk-muted); font-size: .95rem; margin: 0 0 1.5rem;
}

/* ===== Form elements ===== */
.mk-label {
  display: block; font-weight: 500; font-size: .875rem;
  color: var(--mk-text); margin-bottom: .35rem;
}
.mk-input {
  display: block; width: 100%;
  border: 1.5px solid var(--mk-border);
  border-radius: var(--mk-radius-sm);
  padding: .6rem .85rem; font-size: .925rem;
  color: var(--mk-text); background: var(--mk-white);
  transition: border-color .2s, box-shadow .2s;
  font-family: var(--mk-font);
}
.mk-input:focus {
  outline: none;
  border-color: var(--mk-accent);
  box-shadow: 0 0 0 3px rgba(13,148,136,.12);
}
.mk-input::placeholder { color: #94a3b8; }
.mk-input.is-invalid { border-color: var(--mk-danger); }

/* Input group (password toggle) */
.mk-input-group {
  display: flex; position: relative;
}
.mk-input-group .mk-input {
  border-top-right-radius: 0; border-bottom-right-radius: 0;
}
.mk-input-group__append {
  display: flex; align-items: center; padding: 0 .75rem;
  border: 1.5px solid var(--mk-border); border-left: none;
  border-radius: 0 var(--mk-radius-sm) var(--mk-radius-sm) 0;
  background: var(--mk-light); color: var(--mk-muted);
  font-size: .8rem; cursor: pointer; white-space: nowrap;
  transition: background .2s;
  font-family: var(--mk-font);
}
.mk-input-group__append:hover { background: #eef2f7; }

/* Checkbox */
.mk-check {
  display: flex; align-items: flex-start; gap: .5rem;
  font-size: .85rem; color: var(--mk-muted); cursor: pointer;
}
.mk-check input[type="checkbox"] {
  width: 16px; height: 16px; margin-top: 2px;
  accent-color: var(--mk-accent); cursor: pointer; flex-shrink: 0;
}
.mk-check a { color: var(--mk-accent); text-decoration: none; }
.mk-check a:hover { text-decoration: underline; }

/* Buttons */
.mk-btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mk-font); font-weight: 600; font-size: .925rem;
  border-radius: var(--mk-radius-sm); padding: .65rem 1.25rem;
  border: none; cursor: pointer; text-decoration: none;
  transition: all .2s; line-height: 1.5;
}
.mk-btn--full { width: 100%; }
.mk-btn--primary {
  background: var(--mk-accent); color: #fff;
}
.mk-btn--primary:hover {
  background: var(--mk-accent-hover); color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13,148,136,.25);
}
.mk-btn--primary:active { transform: translateY(0); }
.mk-btn--outline {
  background: transparent; color: var(--mk-accent);
  border: 1.5px solid var(--mk-border);
}
.mk-btn--outline:hover {
  background: var(--mk-accent-light); border-color: var(--mk-accent); color: var(--mk-accent);
}
.mk-btn--ghost {
  background: transparent; color: var(--mk-muted);
  padding: .5rem .75rem; font-size: .85rem;
}
.mk-btn--ghost:hover { color: var(--mk-accent); }
.mk-btn--danger { background: var(--mk-danger); color: #fff; }
.mk-btn--danger:hover { background: #dc2626; color: #fff; }
.mk-btn--sm { padding: .4rem .85rem; font-size: .825rem; }
.mk-btn--lg { padding: .75rem 1.5rem; font-size: 1rem; }

/* Auth footer links */
.mk-auth__footer {
  text-align: center; margin-top: 1.25rem;
  font-size: .875rem; color: var(--mk-muted);
}
.mk-auth__footer a {
  color: var(--mk-accent); text-decoration: none; font-weight: 500;
}
.mk-auth__footer a:hover { text-decoration: underline; }

/* Alerts */
.mk-alert {
  padding: .6rem .85rem; border-radius: var(--mk-radius-sm);
  font-size: .875rem; margin-bottom: 1rem;
}
.mk-alert--error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.mk-alert--success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.mk-alert--warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.mk-alert--info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* OTP input */
.mk-otp-group {
  display: flex; gap: .5rem; justify-content: center; margin-bottom: 1rem;
}
.mk-otp-input {
  width: 46px; height: 52px; text-align: center;
  font-size: 1.3rem; font-weight: 600;
  border: 1.5px solid var(--mk-border);
  border-radius: var(--mk-radius-sm);
  color: var(--mk-dark);
  transition: border-color .2s, box-shadow .2s;
  font-family: var(--mk-font);
}
.mk-otp-input:focus {
  outline: none;
  border-color: var(--mk-accent);
  box-shadow: 0 0 0 3px rgba(13,148,136,.12);
}

/* Helper text */
.mk-hint { font-size: .8rem; color: var(--mk-muted); margin-top: .25rem; }
.mk-error-text { font-size: .8rem; color: var(--mk-danger); margin-top: .25rem; display: none; }

/* Divider */
.mk-divider {
  display: flex; align-items: center; gap: .75rem;
  color: var(--mk-muted); font-size: .8rem; margin: 1.25rem 0;
}
.mk-divider::before, .mk-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--mk-border);
}

/* ===== Cards (logged-in pages) ===== */
.mk-card {
  background: var(--mk-white);
  border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius);
  padding: 1.5rem;
  box-shadow: var(--mk-shadow);
}

/* ===== Badge ===== */
.mk-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .75rem; font-weight: 600;
  padding: .2rem .6rem; border-radius: 100px;
}
.mk-badge--accent { background: var(--mk-accent-light); color: var(--mk-accent); }
.mk-badge--success { background: #ecfdf5; color: #059669; }
.mk-badge--danger { background: #fef2f2; color: var(--mk-danger); }
.mk-badge--info { background: #eff6ff; color: var(--mk-info); }

/* ===== Spacing helpers ===== */
.mk-mb-xs { margin-bottom: .5rem; }
.mk-mb-sm { margin-bottom: .75rem; }
.mk-mb-md { margin-bottom: 1rem; }
.mk-mb-lg { margin-bottom: 1.5rem; }
.mk-mt-sm { margin-top: .75rem; }
.mk-mt-md { margin-top: 1rem; }
.mk-gap { display: flex; flex-direction: column; gap: .85rem; }

/* Row helper */
.mk-row { display: flex; gap: .85rem; }
.mk-row > * { flex: 1; min-width: 0; }

@media (max-width: 575.98px) {
  .mk-auth__card { padding: 2rem 1.5rem; }
  .mk-auth__title { font-size: 1.3rem; }
  .mk-row { flex-direction: column; gap: .85rem; }
  .mk-otp-input { width: 40px; height: 46px; font-size: 1.15rem; }
}