:root {
  --primary: #0051a5;
  --primary-hover: #003d7a;
  --border: #dbe3f1;
  --border-hover: #b8c7dd;
  --focus: rgba(0, 81, 165, 0.16);
  --text: #222222;
  --muted: #64748b;

  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(0, 81, 165, 0.07), transparent 34%),
    linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--text);
}


.logo-intro {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 30;
  background:
    radial-gradient(circle at center, rgba(0, 81, 165, 0.08), transparent 36%),
    linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  transition: opacity 0.4s ease;
}

.logo-intro[aria-hidden="true"] {
  display: none;
}

.logo-intro-btn {
  border: 0;
  background: transparent;
  display: grid;
  justify-items: center;
  gap: 12px;
  cursor: pointer;
  color: #475569;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 0.5s ease,
    opacity 0.4s ease,
    filter 0.4s ease;
}

.logo-intro-btn img {
  width: clamp(220px, 34vw, 360px);
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 30px rgba(15, 23, 42, 0.16));
}

.logo-intro-btn:focus-visible {
  outline: 4px solid rgba(0, 81, 165, 0.22);
  outline-offset: 14px;
  border-radius: 18px;
}


.card {
  background: rgba(255, 255, 255, 0.92);
  width: 100%;
  max-width: 500px;
  padding: 42px 38px 32px;
  border: 1px solid rgba(229, 234, 243, 0.95);
  border-radius: 18px;
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.14);
  text-align: center;
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
  backdrop-filter: blur(10px);
}

body.intro-active {
  overflow: hidden;
}

body.intro-active .card {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  pointer-events: none;
}

body.intro-exit .logo-intro-btn {
  opacity: 0;
  transform: scale(1.45);
  filter: blur(2px);
}

body.intro-exit .logo-intro {
  opacity: 0;
}

body.intro-exit .card {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: 0.1s;
}

body.intro-skip .logo-intro {
  display: none;
}

.logo-box {
  display: flex;
  justify-content: center;
  margin-top: 4px;
  margin-bottom: 34px;
}

.logo-box img {
  width: 190px;
  max-width: 100%;
  height: auto;
  display: block;
}

.card h2 {
  margin: 0;
  color: var(--text);
  font-size: 34px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 8px 0 26px;
  color: #475569;
  font-size: 15px;
  font-weight: 400;
}


.card form {
  width: 100%;
}

.card label {
  display: block;
  text-align: left;
  margin-top: 14px;
  margin-bottom: 7px;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
}

.card input {
  width: 100%;
  height: 48px;
  padding: 10px 14px;
  margin-top: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  font-weight: 400;
  color: #1e293b;
  font-size: 14px;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.card input::placeholder {
  color: #94a3b8;
}

.card input:hover {
  border-color: var(--border-hover);
}

.card input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--focus);
}

.input-row {
  position: relative;
  width: 100%;
}

.input-row input {
  padding-right: 52px;
}

.toggle-pass {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #64748b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.toggle-pass:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.toggle-pass:focus-visible {
  outline: 3px solid rgba(0, 81, 165, 0.18);
  outline-offset: 2px;
}

.toggle-pass:active {
  transform: translateY(-50%) scale(0.96);
}

.icon-eye {
  width: 19px;
  height: 19px;
  display: block;
  pointer-events: none;
}

.icon-show {
  display: none;
}

.icon-hide {
  display: block;
}

.toggle-pass.is-visible .icon-show {
  display: block;
}

.toggle-pass.is-visible .icon-hide {
  display: none;
}

.toggle-pass-icon {
  width: 19px;
  height: 19px;
  display: block;
  object-fit: contain;
  opacity: 0.7;
  pointer-events: none;
}

.card .login-submit {
  width: 100%;
  height: 48px;
  margin-top: 22px;
  padding: 0 14px;
  border: 0;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), #00458f);
  color: #ffffff;
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(0, 81, 165, 0.22);
  transition:
    background-color 0.25s ease,
    transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.2s ease;
}

.card .login-submit:hover {
  background: linear-gradient(135deg, var(--primary-hover), #00346b);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0, 81, 165, 0.32);
  filter: brightness(1.03);
}

.card .login-submit:focus-visible {
  outline: 3px solid rgba(0, 81, 165, 0.24);
  outline-offset: 3px;
}

.card .login-submit:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 10px rgba(0, 81, 165, 0.22);
}


.msg {
  margin-top: 14px;
  border-radius: 13px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 600;
  border: 1px solid transparent;
}

.msg-error {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.msg-info {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1d4ed8;
}

.msg-ok {
  background: #ecfdf3;
  border-color: #86efac;
  color: #166534;
}


@media (max-width: 480px) {
  body {
    padding: 12px;
  }

  .card {
    max-width: 100%;
    padding: 30px 20px 26px;
    border-radius: 16px;
  }

  .logo-box {
    margin-bottom: 28px;
  }

  .logo-box img {
    width: 150px;
  }

  .card h2 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 14px;
    margin-bottom: 22px;
  }

  .card input,
  .card .login-submit {
    height: 46px;
  }

  .toggle-pass {
    right: 9px;
    width: 32px;
    height: 32px;
  }

  .icon-eye,
  .toggle-pass-icon {
    width: 18px;
    height: 18px;
  }
}