/**
 * MediaSnap cinematic sign-in — matches desktop + web app entry (two-column).
 */

.ms-signin-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.ms-signin-root {
  --ms-sg-bg: #050506;
  --ms-sg-panel: rgba(12, 12, 18, 0.72);
  --ms-sg-border: rgba(255, 255, 255, 0.08);
  --ms-sg-muted: rgba(235, 240, 255, 0.55);
  --ms-sg-accent: #a78bfa;
  --ms-sg-glow: linear-gradient(135deg, rgba(96, 165, 250, 0.55), rgba(167, 139, 250, 0.6));
  position: relative;
  isolation: isolate;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--ms-sg-bg);
  color: #f4f4f8;
  -webkit-font-smoothing: antialiased;
}

.ms-signin-root::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #0a0a0e;
  background-image: var(--ms-signin-page-bg, none);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 1;
  filter: saturate(1.08) contrast(1.02) brightness(1.06);
}

.ms-signin-root::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    rgba(5, 5, 8, 0.58) 0%,
    rgba(5, 5, 8, 0.38) 42%,
    rgba(5, 5, 8, 0.22) 100%
  );
}

.ms-signin-root *,
.ms-signin-root *::before {
  box-sizing: border-box;
}

/* —— Title bar —— */
.ms-signin-titlebar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 40px;
  padding: 0 14px 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 5, 8, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.ms-signin-titlebar__controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ms-signin-titlebar__ctrl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  padding: 0;
  cursor: default;
  opacity: 0.85;
}

.ms-signin-titlebar__ctrl--min { background: #5c5c5c; }
.ms-signin-titlebar__ctrl--max { background: #7a7a7a; }
.ms-signin-titlebar__ctrl--close { background: #8b5a5a; }

.ms-signin-root.ms-signin--browser .ms-signin-titlebar {
  display: none;
}

.ms-signin-root.ms-signin--browser .ms-signin-main {
  min-height: calc(100vh - 36px);
}

/* —— Main split —— */
.ms-signin-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  flex: 1;
  min-height: calc(100vh - 40px - 36px);
  max-width: 1920px;
  margin: 0 auto;
  width: 100%;
  min-width: 0;
}

.ms-signin-main > * {
  min-width: 0;
}

@media (max-width: 1024px) {
  .ms-signin-main {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .ms-signin-hero {
    min-height: 280px;
  }
}

/* —— Left hero —— */
.ms-signin-hero {
  position: relative;
  padding: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 56px) clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  container-type: inline-size;
  container-name: ms-signin-hero;
}

.ms-signin-hero__content {
  position: relative;
  z-index: 2;
}

.ms-signin-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.ms-signin-brand__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 24px rgba(96, 165, 250, 0.25);
}

.ms-signin-brand__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ms-signin-brand__name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
}

.ms-signin-brand__tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7dd3fc;
  opacity: 0.95;
}

.ms-signin-hero__headline {
  font-size: clamp(0.72rem, 2.6vw + 0.45rem, 2.35rem);
  font-size: clamp(0.72rem, 4.5cqi + 0.35rem, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  max-width: none;
  white-space: nowrap;
}

.ms-signin-hero__headline .ms-signin-gradient {
  display: inline;
  white-space: nowrap;
  background: linear-gradient(90deg, #38bdf8, #a78bfa, #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ms-signin-hero__desc {
  margin: 0;
  max-width: 480px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ms-sg-muted);
}

/* —— Right panel —— */
.ms-signin-aside {
  padding: clamp(24px, 3vw, 40px) clamp(20px, 3vw, 36px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse 85% 70% at 72% 18%, rgba(88, 80, 200, 0.1), transparent 55%),
    linear-gradient(180deg, rgba(5, 5, 8, 0.12) 0%, rgba(5, 5, 8, 0.22) 100%);
}

.ms-signin-panel {
  width: 100%;
  max-width: 400px;
  padding: clamp(28px, 3vw, 36px);
  border-radius: 18px;
  background: var(--ms-sg-panel);
  border: 1px solid var(--ms-sg-border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}

.ms-signin-panel__h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.ms-signin-panel__sub {
  margin: 0 0 24px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--ms-sg-muted);
}

.ms-signin-btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.15), 0 0 28px rgba(99, 102, 241, 0.12);
  transition: background 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.ms-signin-btn-google:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(167, 139, 250, 0.45);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.35), 0 0 32px rgba(99, 102, 241, 0.22);
}

.ms-signin-btn-email {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 18px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.25);
  color: #e8eaef;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.ms-signin-btn-email:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.ms-signin-or {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 18px 0;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ms-signin-or::before,
.ms-signin-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.ms-signin-email-block {
  display: none;
}

.ms-signin-root.ms-signin--email-open .ms-signin-email-block {
  display: block;
}

.ms-signin-root.ms-signin--email-open .ms-signin-or {
  display: none;
}

.ms-signin-root.ms-signin--email-open .ms-signin-btn-google {
  display: none;
}

.ms-signin-root.ms-signin--email-open .ms-signin-btn-email {
  display: none;
}

.ms-signin-form .form-group {
  margin-bottom: 14px;
}

.ms-signin-form .form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 6px;
}

.ms-signin-form .input-group {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  min-height: 44px;
  position: relative;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.ms-signin-form .input-group > i:first-of-type {
  color: rgba(255, 255, 255, 0.32);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.ms-signin-form .input-group input {
  flex: 1;
  min-width: 0;
  padding: 10px 0;
  font-size: 0.9rem;
  background: transparent;
  border: none;
  color: #fff;
}

.ms-signin-form .password-toggle {
  position: static;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.42);
}

.ms-signin-form .password-toggle:hover {
  color: rgba(196, 181, 253, 0.95);
}

.ms-signin-form .input-group input::placeholder {
  color: rgba(255, 255, 255, 0.28);
}

.ms-signin-form .form-options {
  margin-bottom: 16px;
}

.ms-signin-form .forgot-link {
  color: var(--ms-sg-accent);
}

.ms-signin-submit {
  width: 100%;
  min-height: 46px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  background: linear-gradient(180deg, #fafafa 0%, #d4d8e0 100%);
  color: #0f1117;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset;
}

.ms-signin-submit:hover {
  filter: brightness(1.05);
}

.ms-signin-submit .btn-loading {
  display: none;
  align-items: center;
  gap: 8px;
}

.ms-signin-back-email {
  display: none;
  width: 100%;
  margin-top: 14px;
  padding: 0;
  border: none;
  background: none;
  color: var(--ms-sg-accent);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ms-signin-root.ms-signin--email-open .ms-signin-back-email {
  display: block;
}

.ms-signin-signup-block {
  display: none;
}

.ms-signin-root.ms-signin--signup-open .ms-signin-signup-block {
  display: block;
}

.ms-signin-root.ms-signin--signup-open .ms-signin-or,
.ms-signin-root.ms-signin--signup-open .ms-signin-btn-google,
.ms-signin-root.ms-signin--signup-open .ms-signin-btn-email {
  display: none;
}

.ms-signin-root.ms-signin--signup-open .ms-signin-email-block {
  display: none !important;
}

.ms-signin-root.ms-signin--email-open .ms-signin-signup-block {
  display: none !important;
}

.ms-signin-root.ms-signin--email-open .ms-signin-panel__signup,
.ms-signin-root.ms-signin--signup-open .ms-signin-panel__signup {
  display: none;
}

.ms-signin-root.ms-signin--email-open .ms-signin-features,
.ms-signin-root.ms-signin--signup-open .ms-signin-features {
  display: none;
}

.ms-signin-root.ms-signin--signup-open .ms-signin-panel__h1,
.ms-signin-root.ms-signin--signup-open .ms-signin-panel__sub {
  display: none;
}

.ms-signin-signup-block__h {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.ms-signin-signup-block__sub {
  margin: 0 0 18px;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ms-sg-muted);
}

.ms-signin-signup-names {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.ms-signin-signup-names .form-group {
  margin-bottom: 0;
}

@media (max-width: 420px) {
  .ms-signin-signup-names {
    grid-template-columns: 1fr;
  }
}

.ms-signin-signup-terms-wrap {
  margin-bottom: 16px;
}

.ms-signin-signup-terms-wrap .checkbox-label {
  align-items: flex-start;
}

.ms-signin-signup-terms-wrap .checkmark {
  margin-top: 3px;
}

.ms-signin-signup-terms {
  font-size: 0.78rem;
  line-height: 1.45;
  color: rgba(235, 240, 255, 0.75);
}

.ms-signin-signup-terms a {
  color: var(--ms-sg-accent);
  font-weight: 600;
  text-decoration: none;
}

.ms-signin-signup-terms a:hover {
  text-decoration: underline;
}

.ms-signin-back-signup {
  display: none;
  width: 100%;
  margin-top: 14px;
  padding: 0;
  border: none;
  background: none;
  color: var(--ms-sg-accent);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ms-signin-root.ms-signin--signup-open .ms-signin-back-signup {
  display: block;
}

.ms-signin-signup-footer {
  text-align: center;
  margin: 18px 0 0;
  font-size: 0.86rem;
  color: var(--ms-sg-muted);
}

.ms-signin-signup-footer__link {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--ms-sg-accent);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.ms-signin-signup-footer__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ms-signin-panel__signup-btn {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--ms-sg-accent);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.ms-signin-panel__signup-btn:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ms-signin-panel__signup {
  text-align: center;
  margin: 22px 0 0;
  font-size: 0.86rem;
  color: var(--ms-sg-muted);
}

.ms-signin-panel__signup a {
  color: var(--ms-sg-accent);
  font-weight: 600;
  text-decoration: none;
}

.ms-signin-panel__signup a:hover {
  text-decoration: underline;
}

/* Feature rows */
.ms-signin-features {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.ms-signin-feat {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
}

.ms-signin-feat:last-child {
  margin-bottom: 0;
}

.ms-signin-feat__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(167, 139, 250, 0.1);
  color: #c4b5fd;
  font-size: 0.95rem;
}

.ms-signin-feat h3 {
  margin: 0 0 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #f1f5f9;
}

.ms-signin-feat p {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--ms-sg-muted);
}

/* Alert */
.ms-signin-alert {
  margin-bottom: 16px;
  padding: 11px 12px;
  border-radius: 10px;
  font-size: 0.82rem;
  line-height: 1.45;
  background: rgba(255, 71, 87, 0.12);
  border: 1px solid rgba(255, 71, 87, 0.38);
  color: #fecaca;
}

/* Status footer */
.ms-signin-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  padding: 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 5, 8, 0.48);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  flex-shrink: 0;
}

.ms-signin-statusbar__left,
.ms-signin-statusbar__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ms-signin-statusbar__sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.12);
}

.ms-signin-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ms-signin-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
}

.ms-signin-statusbar a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ms-signin-statusbar a:hover {
  color: rgba(255, 255, 255, 0.82);
}

.ms-signin-latency {
  color: #4ade80;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Checkbox (matches legacy auth markup) */
.ms-signin-root .ms-signin-form .form-options .checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.52);
  margin: 0;
  position: relative;
}

.ms-signin-root .ms-signin-form .checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ms-signin-root .ms-signin-form .checkbox-label .checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
}

.ms-signin-root .ms-signin-form .checkbox-label input:checked + .checkmark {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  border-color: transparent;
}

.ms-signin-root .ms-signin-form .checkbox-label input:checked + .checkmark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}