assets/CSS/login.css

/* ==========================================================================
   XENEX GLASS OS — Login Screen
   assets/CSS/login.css
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
  /* Color */
  --xenex-bg: #050608;
  --xenex-bg-deep: #020203;
  --xenex-glass-fill: rgba(18, 21, 27, 0.52);
  --xenex-glass-fill-soft: rgba(255, 255, 255, 0.035);
  --xenex-glass-border: rgba(255, 255, 255, 0.14);
  --xenex-glass-highlight: rgba(255, 255, 255, 0.55);
  --xenex-text-primary: #eef1f5;
  --xenex-text-secondary: #9aa3b0;
  --xenex-text-tertiary: #5c6470;
  --xenex-blue: #3f7cff;
  --xenex-orange: #ff8a42;
  --xenex-red: #ff3b4e;
  --xenex-focus: #7db0ff;
  --xenex-danger: #ff5468;

  /* Type */
  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;

  /* Layout */
  --xenex-card-radius: 22px;
  --xenex-field-radius: 12px;
  --xenex-safe-top: env(safe-area-inset-top, 0px);
  --xenex-safe-bottom: env(safe-area-inset-bottom, 0px);
  --xenex-safe-left: env(safe-area-inset-left, 0px);
  --xenex-safe-right: env(safe-area-inset-right, 0px);
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
}

/* ---- Base ---- */
.xenex-body {
  background: var(--xenex-bg);
  font-family: var(--font-body);
  color: var(--xenex-text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
}

/* ---- Background light field ----
   Soft radial gradients rather than filter:blur on large elements —
   cheaper to render and animate on phones/tablets. */
.xenex-light-field {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  background: radial-gradient(120% 90% at 50% 0%, #0a0c10 0%, var(--xenex-bg-deep) 60%);
}

.xenex-light {
  position: absolute;
  width: 70vmax;
  height: 70vmax;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
  will-change: transform;
  animation: xenex-drift 34s ease-in-out infinite alternate;
}

.xenex-light--blue {
  top: -20vmax;
  left: -18vmax;
  background: radial-gradient(circle, var(--xenex-blue) 0%, rgba(63, 124, 255, 0) 68%);
  animation-duration: 38s;
}

.xenex-light--orange {
  bottom: -26vmax;
  right: -16vmax;
  background: radial-gradient(circle, var(--xenex-orange) 0%, rgba(255, 138, 66, 0) 65%);
  animation-duration: 30s;
  animation-delay: -6s;
}

.xenex-light--red {
  bottom: 10vh;
  left: 20vw;
  width: 55vmax;
  height: 55vmax;
  background: radial-gradient(circle, var(--xenex-red) 0%, rgba(255, 59, 78, 0) 62%);
  opacity: 0.4;
  animation-duration: 42s;
  animation-delay: -18s;
}

@keyframes xenex-drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(4vmax, 3vmax, 0) scale(1.08);
  }
  100% {
    transform: translate3d(-3vmax, 5vmax, 0) scale(0.97);
  }
}

/* ---- Screen layout ---- */
.login-screen {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: calc(28px + var(--xenex-safe-top)) calc(20px + var(--xenex-safe-right))
    calc(28px + var(--xenex-safe-bottom)) calc(20px + var(--xenex-safe-left));
}

/* ---- Glass card ---- */
.login-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  padding: 36px 28px 32px;
  border-radius: var(--xenex-card-radius);
  background:
    linear-gradient(180deg, var(--xenex-glass-fill-soft) 0%, transparent 40%),
    var(--xenex-glass-fill);
  border: 1px solid var(--xenex-glass-border);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 0 40px rgba(255, 255, 255, 0.015),
    0 24px 70px rgba(0, 0, 0, 0.55);
}

/* Thin lit edge along the top — simulates light catching a glass rim */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--xenex-glass-highlight), transparent);
  opacity: 0.6;
}

/* ---- Brand ---- */
.login-brand {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
  font-family: var(--font-display);
}

.login-brand__mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  align-self: center;
  background: linear-gradient(135deg, var(--xenex-blue), var(--xenex-red));
  box-shadow: 0 0 10px rgba(63, 124, 255, 0.7);
}

.login-brand__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--xenex-text-primary);
}

.login-brand__suffix {
  font-size: 13px;
  font-weight: 500;
  color: var(--xenex-text-secondary);
}

/* ---- Heading / description ---- */
.login-heading {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  margin: 0 0 8px;
  color: var(--xenex-text-primary);
}

.login-description {
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  color: var(--xenex-text-secondary);
  margin: 0 0 28px;
}

/* ---- Form ---- */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.login-field__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--xenex-text-secondary);
}

.login-field__control {
  position: relative;
  display: flex;
  align-items: stretch;
}

.login-field__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--xenex-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--xenex-field-radius);
  outline: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.login-field__control .login-field__input {
  padding-right: 64px;
}

.login-field__input::placeholder {
  color: var(--xenex-text-tertiary);
}

.login-field__input:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.login-field__input:focus-visible {
  border-color: var(--xenex-focus);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(125, 176, 255, 0.22);
}

.login-field__toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  min-width: 44px;
  min-height: 36px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--xenex-text-secondary);
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.login-field__toggle:hover {
  color: var(--xenex-text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.login-field__toggle:focus-visible {
  outline: 2px solid var(--xenex-focus);
  outline-offset: 2px;
}

/* ---- Form meta / links ---- */
.login-form__meta {
  display: flex;
  justify-content: flex-end;
  margin-top: -4px;
}

.login-link {
  color: var(--xenex-text-secondary);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.login-link:hover {
  color: var(--xenex-focus);
  border-bottom-color: currentColor;
}

.login-link:focus-visible {
  outline: 2px solid var(--xenex-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- Primary action ---- */
.login-submit {
  min-height: 48px;
  margin-top: 6px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--xenex-field-radius);
  background: linear-gradient(180deg, rgba(63, 124, 255, 0.9), rgba(63, 124, 255, 0.72));
  color: #f5f8ff;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 10px 24px rgba(63, 124, 255, 0.28);
}

.login-submit:hover {
  background: linear-gradient(180deg, rgba(78, 135, 255, 0.95), rgba(63, 124, 255, 0.8));
}

.login-submit:active {
  transform: translateY(1px);
}

.login-submit:focus-visible {
  outline: 2px solid var(--xenex-focus);
  outline-offset: 3px;
}

/* ---- Signup line ---- */
.login-signup {
  text-align: center;
  font-size: 13.5px;
  color: var(--xenex-text-secondary);
  margin: 22px 0 0;
}

.login-signup .login-link {
  color: var(--xenex-text-primary);
  font-weight: 500;
}

/* ---- Footer ---- */
.login-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-link--footer {
  font-size: 12.5px;
  color: var(--xenex-text-tertiary);
}

.login-footer__divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--xenex-text-tertiary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Small phones (360–389px) */
@media (max-width: 389px) {
  .login-card {
    padding: 28px 20px 26px;
    border-radius: 18px;
  }

  .login-heading {
    font-size: 21px;
  }
}

/* Tablets and up */
@media (min-width: 700px) {
  .login-card {
    max-width: 420px;
    padding: 44px 40px 38px;
  }

  .login-heading {
    font-size: 26px;
  }
}

/* Landscape phones — shorter viewport, avoid vertical overflow */
@media (max-height: 480px) and (orientation: landscape) {
  .login-screen {
    justify-content: flex-start;
    padding-top: calc(18px + var(--xenex-safe-top));
    padding-bottom: calc(18px + var(--xenex-safe-bottom));
  }

  .login-card {
    padding: 22px 26px;
  }

  .login-brand {
    margin-bottom: 14px;
  }

  .login-description {
    margin-bottom: 18px;
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .xenex-light {
    animation: none;
  }
}