:root {
  --primary: #db2777;
  --primary-light: #f472b6;
  --primary-glow: rgba(219, 39, 119, 0.35);
  --bg: #f1f5f9;
  --card-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.9);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --input-bg: rgba(255, 255, 255, 0.5);
  --card-shadow:
    0 30px 60px -15px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

html[data-theme="dark"] {
  --bg: #030712;
  --card-bg: rgba(15, 23, 42, 0.55);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --input-bg: rgba(0, 0, 0, 0.3);
  --card-shadow:
    0 30px 60px -15px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

* {
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  font-family: "Plus Jakarta Sans", sans-serif;
  background-color: var(--bg);
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
  -webkit-text-size-adjust: 100%;
  transition: background-color 0.5s ease;
}

.ambient-background {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

html[data-theme="dark"] .orb {
  opacity: 0.3;
}

.orb-1 {
  width: 55vw;
  height: 55vw;
  background: var(--primary);
  top: -15vw;
  left: -15vw;
}
.orb-2 {
  width: 65vw;
  height: 65vw;
  background: #3b82f6;
  bottom: -25vw;
  right: -15vw;
}
.orb-3 {
  width: 45vw;
  height: 45vw;
  background: #8b5cf6;
  top: 25%;
  left: 35%;
}

.theme-switch-wrapper {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 100;
}

.btn-icon-login {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-icon-login:hover {
  transform: translateY(-2px) scale(1.05);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.login-card {
  background: var(--card-bg);
  padding: 44px 36px;
  border-radius: 32px;
  box-shadow: var(--card-shadow);
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  position: relative;
  z-index: 10;
  overflow: hidden;
  animation: cardEntrance 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition:
    background-color 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}

.login-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  pointer-events: none;
}

@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.logo-pill-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.logo-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 20px;
  color: white;
  font-size: 1.6rem;
  box-shadow: 0 12px 30px -6px var(--primary-glow);
  position: relative;
  z-index: 2;
}

.logo-aura {
  position: absolute;
  inset: -6px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-radius: 24px;
  filter: blur(12px);
  opacity: 0.5;
  z-index: 1;
  animation: pulseAura 4s ease-in-out infinite alternate;
}

@keyframes pulseAura {
  from {
    opacity: 0.3;
    transform: scale(0.95);
  }
  to {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

.login-card h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  transition: color 0.4s ease;
}

.login-card p {
  margin: 6px 0 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.4s ease;
}

form#loginForm {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 2;
}

form#loginForm input {
  width: 100%;
  padding: 16px 16px 16px 48px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
  transition: all 0.3s ease;
  font-family: inherit;
}

html[data-theme="dark"] form#loginForm input {
  border-color: rgba(255, 255, 255, 0.08);
}

form#loginForm input:focus {
  border-color: var(--primary);
  background: var(--card-bg);
  box-shadow: 0 0 0 4px rgba(219, 39, 119, 0.12);
}

form#loginForm input:focus ~ i {
  color: var(--primary);
  transform: scale(1.1);
}

.btn-container {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

form#loginForm button[type="submit"] {
  width: 100%;
  height: 52px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 25px -6px var(--primary-glow);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

form#loginForm button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -6px var(--primary-glow);
}

form#loginForm button[type="submit"]:active {
  transform: translateY(1px);
}

form#loginForm button[type="submit"].loading {
  width: 52px;
  color: transparent;
  pointer-events: none;
  border-radius: 26px;
}

.spinner-icon {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}

form#loginForm button[type="submit"].loading .spinner-icon {
  opacity: 1;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-6px);
  }
  40%,
  80% {
    transform: translateX(6px);
  }
}

.shake {
  animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

#errorMsg {
  color: #ef4444;
  text-align: center;
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.85rem;
  min-height: 16px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.3s ease;
}

#errorMsg.show {
  opacity: 1;
  transform: translateY(0);
}

.login-footer-note {
  margin-top: 24px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.8;
}