:root {
  --bg: #08111f;
  --bg-soft: #0f1b2e;
  --surface: rgba(12, 23, 40, 0.72);
  --surface-strong: rgba(15, 28, 48, 0.92);
  --card: rgba(17, 30, 51, 0.86);
  --text: #f6f8ff;
  --muted: #9fb0cf;
  --line: rgba(183, 212, 255, 0.14);
  --primary: #7cf7d4;
  --secondary: #ff8f70;
  --accent: #7ea7ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 28px;
  --radius-sm: 18px;
  --container: min(1180px, calc(100% - 2rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(126, 167, 255, 0.18), transparent 26%),
    radial-gradient(circle at 85% 10%, rgba(124, 247, 212, 0.15), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, #09101c 100%);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.signin-page {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.signin-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

.orb-one {
  top: 5rem;
  left: -3rem;
  width: 14rem;
  height: 14rem;
  background: radial-gradient(circle, rgba(126, 167, 255, 0.45), transparent 70%);
}

.orb-two {
  right: -2rem;
  bottom: 4rem;
  width: 16rem;
  height: 16rem;
  background: radial-gradient(circle, rgba(255, 143, 112, 0.35), transparent 72%);
}

.signin-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(8, 17, 31, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-actions,
.language-switcher {
  display: flex;
  align-items: center;
}

.header-actions {
  gap: 0.9rem;
}

.language-switcher {
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}

.lang.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.logo-mark {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  box-shadow: 0 14px 36px rgba(126, 167, 255, 0.25);
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.logo-text small {
  margin-top: 0.3rem;
  color: var(--muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.back-link:hover,
.button:hover {
  transform: translateY(-2px);
}

.signin-main {
  padding: 4rem 0;
}

.signin-shell {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.signin-copy h1 {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  line-height: 1.02;
}

.signin-copy p,
.card-copy,
.feature-card span,
.form-message {
  color: var(--muted);
  line-height: 1.75;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.feature-card,
.signin-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
}

.feature-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1rem;
}

.signin-card {
  padding: 2rem;
  border-radius: var(--radius);
}

.card-badge {
  display: inline-flex;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(124, 247, 212, 0.12);
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signin-card h2 {
  margin: 1rem 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
}

.signin-form {
  margin-top: 1.6rem;
}

.field {
  display: block;
  margin-bottom: 1rem;
}

.field > span {
  display: block;
  margin-bottom: 0.55rem;
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 3.5rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field input::placeholder {
  color: #7c8ba8;
}

.field input:focus {
  border-color: rgba(124, 247, 212, 0.7);
  box-shadow: 0 0 0 4px rgba(124, 247, 212, 0.12);
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 5.5rem;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.55rem;
  transform: translateY(-50%);
  width: 2.8rem;
  height: 2.8rem;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.2rem;
  box-shadow: none;
}

.password-toggle:hover,
.password-toggle:focus,
.password-toggle:active {
  transform: translateY(-50%);
  background: transparent;
  box-shadow: none;
  outline: none;
  filter: none;
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.35rem 0 1.4rem;
}

.checkbox-field {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
}

.checkbox-field input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
}

.text-link {
  color: var(--primary);
  font-weight: 600;
}

.button {
  width: 100%;
  min-height: 3.6rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  color: #07121f;
  background: linear-gradient(135deg, var(--primary), #bffff0);
  box-shadow: 0 18px 45px rgba(124, 247, 212, 0.24);
  transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.button + .button {
  margin-top: 0.9rem;
}

.button-alt {
  color: #fff;
  background: linear-gradient(135deg, var(--secondary), #ffb08f);
  box-shadow: 0 18px 45px rgba(255, 143, 112, 0.22);
}

.form-message {
  min-height: 1.75rem;
  margin: 1rem 0 0;
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .signin-shell {
    grid-template-columns: 1fr;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .signin-main {
    padding: 2rem 0 3rem;
  }

  .header-inner {
    min-height: 74px;
    align-items: flex-start;
    flex-direction: column;
  }

  .logo-text small {
    display: none;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .signin-card {
    padding: 1.4rem;
  }

  .form-options {
    flex-direction: column;
    align-items: flex-start;
  }

  .back-link {
    padding: 0.7rem 0.9rem;
    font-size: 0.92rem;
  }
}