:root {
  --bg-dark: #021225;
  --bg-deep: #041b38;
  --bg-mid: #0a2d57;
  --accent-blue: #19b7ff;
  --accent-cyan: #65e7ff;
  --accent-green: #1fd26c;
  --text-main: #ffffff;
  --text-soft: rgba(255, 255, 255, 0.82);
  --text-faint: rgba(255, 255, 255, 0.62);
  --border-soft: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(101, 231, 255, 0.28);
  --input-bg: rgba(255, 255, 255, 0.08);
  --error: #ff6b6b;
  --success: #61ffb2;
  --shadow-main: 0 25px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 30px rgba(25, 183, 255, 0.16);
  --radius-lg: 28px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --transition-fast: 0.25s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #0c3566 0%, var(--bg-dark) 48%, #000814 100%);
  color: var(--text-main);
}

body {
  position: relative;
}

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

button,
input {
  font: inherit;
}

.login-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
  animation: floatOrb 12s ease-in-out infinite;
}

.orb-1 {
  width: 440px;
  height: 440px;
  top: -120px;
  left: -100px;
  background: radial-gradient(circle, rgba(25, 183, 255, 0.75) 0%, rgba(25, 183, 255, 0) 70%);
}

.orb-2 {
  width: 400px;
  height: 400px;
  right: -100px;
  bottom: -100px;
  background: radial-gradient(circle, rgba(31, 210, 108, 0.55) 0%, rgba(31, 210, 108, 0) 72%);
  animation-delay: 2s;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  opacity: 0.7;
}

.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  bottom: -20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  animation: bubbleRise linear infinite;
}

.ripple {
  position: absolute;
  left: 50%;
  bottom: -240px;
  width: 720px;
  height: 720px;
  border: 1px solid rgba(101, 231, 255, 0.1);
  border-radius: 50%;
  transform: translateX(-50%);
  animation: ripplePulse 7s linear infinite;
}

.ripple-2 {
  width: 1020px;
  height: 1020px;
  bottom: -390px;
  animation-delay: 2.2s;
}

.login-page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(92vw, 500px);
  padding: 26px 26px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.09) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  box-shadow: var(--shadow-main), var(--shadow-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.18s ease-out;
  animation: cardReveal 0.9s ease forwards;
}

.brand-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.brand-logo {
  width: min(100%, 260px);
  height: auto;
  filter:
    drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35))
    drop-shadow(0 0 20px rgba(25, 183, 255, 0.1));
  opacity: 0;
  transform: translateY(14px) scale(0.98);
  animation: fadeUp 0.8s 0.15s ease forwards;
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s ease forwards;
}

.login-header h1 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.login-header p {
  font-size: 0.98rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  opacity: 0;
  animation: fadeUp 0.8s 0.45s ease forwards;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-soft);
}

.input-wrap {
  position: relative;
}

.input-wrap input {
  width: 100%;
  height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.input-wrap input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.input-wrap input:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 4px rgba(25, 183, 255, 0.12);
  background: rgba(255, 255, 255, 0.11);
}

.password-wrap input {
  padding-right: 84px;
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: var(--accent-cyan);
  font-weight: 700;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.toggle-password:hover {
  background: rgba(255, 255, 255, 0.08);
}

.error-text {
  min-height: 16px;
  font-size: 0.82rem;
  color: var(--error);
  padding-left: 2px;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: -4px;
  margin-bottom: 2px;
}

.remember-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-soft);
  cursor: pointer;
}

.remember-wrap input {
  accent-color: var(--accent-green);
  width: 16px;
  height: 16px;
}

.forgot-link {
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

.login-btn {
  height: 56px;
  border: none;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.3),
    0 0 22px rgba(25, 183, 255, 0.22);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.login-btn:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.36),
    0 0 26px rgba(31, 210, 108, 0.2);
  filter: brightness(1.05);
}

.login-btn:active {
  transform: translateY(0) scale(0.99);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  min-height: 20px;
  font-size: 0.9rem;
  text-align: center;
  color: var(--success);
}

.login-footer {
  margin-top: 16px;
  text-align: center;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s ease forwards;
}

.login-footer p {
  font-size: 0.86rem;
  color: var(--text-faint);
}

.input-wrap.error input {
  border-color: rgba(255, 107, 107, 0.65);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.08);
}

@keyframes cardReveal {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatOrb {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, 20px) scale(1.06);
  }
}

@keyframes bubbleRise {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  100% {
    transform: translateY(-115vh) scale(1.2);
    opacity: 0;
  }
}

@keyframes ripplePulse {
  0% {
    transform: translateX(-50%) scale(0.93);
    opacity: 0.18;
  }
  50% {
    opacity: 0.07;
  }
  100% {
    transform: translateX(-50%) scale(1.08);
    opacity: 0;
  }
}

@media (max-width: 600px) {
  .login-card {
    width: min(95vw, 500px);
    padding: 22px 16px 22px;
  }

  .brand-logo {
    width: min(100%, 210px);
  }

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

  .login-header h1 {
    font-size: 1.55rem;
  }

  .login-header p {
    font-size: 0.92rem;
  }
}