/* ================================================================
   LOGIN PAGE — split layout (dark brand + light form)
   ================================================================ */
.login-body {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.login-split {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* ---- Left: Brand Panel (flex=1, dark) ---- */
.login-brand-panel {
  flex: 1;
  background: var(--color-surface-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

/* Video background — cover with slight crop, no black bars */
.login-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.login-brand-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-9);
  padding: var(--space-15) var(--space-14);
  max-width: 480px;
  width: 100%;
  position: relative;
  z-index: 1;
  text-align: center;
}

.login-brand-full-logo {
  width: 100%;
  max-width: 320px;
  height: auto;
  filter: var(--drop-shadow-login-logo);
}

.login-brand-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.login-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  background: transparent;
  filter: var(--drop-shadow-logo);
}

.login-brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.login-brand-logo-inner {
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text-inverse);
  line-height: 1;
}

.login-brand-name {
  font-family: var(--font-brand);
  font-size: 22px;
  font-weight: 900;
  color: var(--color-text-inverse);
  letter-spacing: 1px;
  background: linear-gradient(90deg,
    var(--color-text-inverse) 0%,
    rgba(255,255,255,0.7) 45%,
    var(--color-text-inverse) 50%,
    rgba(255,255,255,0.7) 55%,
    var(--color-text-inverse) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: brand-shimmer 3s ease-in-out infinite;
}

/* ---- Decorative Graphic ---- */
.login-graphic {
  position: relative;
  width: 100%;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-ring {
  position: absolute;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.06);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.login-ring.ring-lg {
  width: 300px;
  height: 300px;
}

.login-ring.ring-md {
  width: 230px;
  height: 230px;
  border-color: rgba(255,255,255,0.04);
}

.login-ring.ring-sm {
  width: 160px;
  height: 160px;
  border-color: rgba(255,255,255,0.08);
  border-style: dashed;
}

.login-graphic-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  z-index: 1;
}

.login-graphic-text {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
}

/* ---- Brand Footer ---- */
.login-brand-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.login-brand-tagline {
  font-family: var(--font-brand);
  font-size: 20px;
  font-weight: 900;
  color: var(--color-text-inverse);
  margin: 0;
  line-height: 1.3;
  text-align: center;
  white-space: nowrap;
  background: linear-gradient(90deg,
    var(--color-text-inverse) 0%,
    rgba(255,255,255,0.7) 45%,
    var(--color-text-inverse) 50%,
    rgba(255,255,255,0.7) 55%,
    var(--color-text-inverse) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: brand-shimmer 3s ease-in-out 0.4s infinite;
}

.login-brand-subtitle {
  font-family: var(--font-brand);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-inverse);
  margin: 0;
  letter-spacing: 4px;
}

/* ---- Right: Form Panel (flex=1, light) ---- */
.login-form-panel {
  flex: 1;
  background: var(--color-surface-login);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form-inner {
  width: 100%;
  max-width: 400px;
  padding: var(--space-15) var(--space-14);
}

/* ---- Tabs ---- */
.login-tabs {
  display: flex;
  margin-bottom: var(--space-12);
  background: var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  gap: 0;
}

.login-tab {
  flex: 1;
  text-align: center;
  padding: var(--space-5) 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: all 150ms;
  font-family: var(--font-ui);
}

.login-tab.active {
  color: var(--color-text-primary);
  background: var(--color-surface-white);
  font-weight: 600;
  box-shadow: var(--shadow-xs);
}

/* ---- Form Content ---- */
.login-form-heading {
  font-family: var(--font-ui);
  font-size: 32px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin: 0 0 8px;
  letter-spacing: -0.8px;
  line-height: 1.2;
}

.login-form-desc {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin: 0 0 28px;
  font-family: var(--font-ui);
}

/* ---- Fields ---- */
.login-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-9);
}

.login-field span {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-label);
}

.login-input {
  height: 46px;
  padding: 0 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius-none);
  background: var(--color-surface-white);
  color: var(--color-text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 200ms;
  width: 100%;
  box-sizing: border-box;
}

.login-input:focus {
  border-bottom-color: var(--color-primary);
  box-shadow: none;
}

.login-input::placeholder {
  color: var(--color-text-placeholder);
}

.login-forgot {
  font-size: 12px;
  color: var(--color-text-muted);
  text-decoration: none;
  align-self: flex-end;
  margin-top: var(--space-2);
  font-family: var(--font-ui);
}

.login-forgot:hover {
  color: var(--color-primary);
}

/* ---- Submit Button ---- */
.login-btn {
  width: 100%;
  height: 48px;
  border: none;
  border-radius: var(--radius-xl);
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 200ms;
  margin-top: var(--space-4);
  font-family: var(--font-number);
}

.login-btn:hover {
  background: var(--color-surface-btn-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-login-btn);
}

/* ---- SMS code row (input + button side by side) ---- */
.login-sms-row {
  display: flex;
  gap: var(--space-4);
}

.login-sms-input {
  flex: 1;
  min-width: 0;
}

.login-sms-btn {
  flex-shrink: 0;
  height: 46px;
  padding: 0 var(--space-8);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: var(--color-surface-white);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 200ms;
  font-family: var(--font-ui);
}

.login-sms-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-softer);
}

.login-sms-btn:disabled {
  color: var(--color-text-placeholder);
  border-color: var(--color-border);
  background: var(--color-surface-secondary);
  cursor: not-allowed;
}

.login-sms-btn.counting {
  color: var(--color-text-muted);
}

/* ---- Error Message ---- */
.login-error {
  margin-top: var(--space-6);
  padding: var(--space-5) var(--space-7);
  border-radius: var(--radius-lg);
  background: var(--color-danger-soft);
  color: var(--color-danger-alt);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-ui);
  text-align: center;
}

/* ---- Password field with forgot link ---- */
.login-field .login-forgot {
  position: absolute;
  right: 0;
  top: 0;
}

.login-field:last-of-type {
  position: relative;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .login-split {
    flex-direction: column;
  }

  .login-brand-panel {
    flex: 0 0 auto;
    min-height: 320px;
    padding: 0;
  }

  .login-brand-content {
    gap: var(--space-10);
    padding: var(--space-13) var(--space-12);
  }

  .login-graphic {
    height: 160px;
  }

  .login-ring.ring-lg { width: 200px; height: 200px; }
  .login-ring.ring-md { width: 150px; height: 150px; }
  .login-ring.ring-sm { width: 100px; height: 100px; }

  .login-form-panel {
    flex: 1 1 auto;
  }

  .login-form-inner {
    padding: var(--space-13) var(--space-10);
    max-width: 100%;
  }
}

/* ---- Brand text shimmer ---- */
@keyframes brand-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}