:root {
  color-scheme: light;
  --ink: #17324d;
  --ink-soft: #49657b;
  --blue: #1769b0;
  --blue-strong: #0f568f;
  --line: #c9e1ee;
  --danger: #a43d35;
  --danger-bg: #fff0ed;
  --success: #17684e;
  --success-bg: #eaf8f2;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(93, 188, 234, 0.2), transparent 26rem),
    radial-gradient(circle at 94% 100%, rgba(23, 105, 176, 0.13), transparent 29rem),
    linear-gradient(145deg, #f8fcff, #e7f5fc);
}

button,
input { font: inherit; }

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 18px;
}

.login-card {
  width: min(100%, 465px);
  padding: clamp(25px, 6vw, 42px);
  border: 1px solid rgba(144, 193, 220, 0.66);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 80px rgba(24, 78, 112, 0.16);
}

.login-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.login-brand img {
  width: 53px;
  height: 53px;
  border: 3px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px #b9dceb, 0 7px 18px rgba(33, 91, 128, 0.12);
}

.login-brand span { display: grid; gap: 3px; }
.login-brand small { color: var(--blue); font-size: 0.73rem; font-weight: 820; letter-spacing: 0.08em; text-transform: uppercase; }
.login-brand strong { font-size: 1.08rem; letter-spacing: -0.025em; }

.login-copy { margin: 33px 0 25px; }
.eyebrow { margin: 0 0 9px; color: var(--blue); font-size: 0.74rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.login-copy h1 { margin: 0; font-size: clamp(1.85rem, 8vw, 2.55rem); line-height: 1.04; letter-spacing: -0.055em; }
.login-copy > p:last-child { margin: 14px 0 0; color: var(--ink-soft); font-size: 0.93rem; line-height: 1.55; }

.login-message {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid;
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 690;
  line-height: 1.45;
}
.login-message.error { border-color: #f0b6ae; color: var(--danger); background: var(--danger-bg); }
.login-message.success { border-color: #aedfcd; color: var(--success); background: var(--success-bg); }

.login-form { display: grid; gap: 9px; }
.login-form label { margin-top: 7px; color: var(--ink-soft); font-size: 0.82rem; font-weight: 760; }
.login-form input {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid #b8d3e3;
  border-radius: 13px;
  outline: 0;
  color: var(--ink);
  background: #fbfdff;
}
.login-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(23, 105, 176, 0.12); background: #fff; }
.login-form button {
  min-height: 53px;
  margin-top: 15px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  box-shadow: 0 11px 24px rgba(23, 105, 176, 0.22);
  cursor: pointer;
  font-weight: 820;
}
.login-form button:hover { filter: brightness(1.05); }
.login-form button:focus-visible { outline: 3px solid rgba(23, 105, 176, 0.3); outline-offset: 3px; }

.login-help { margin: 19px 0 0; color: #678095; font-size: 0.78rem; line-height: 1.5; }
.back-link { display: inline-block; margin-top: 20px; color: var(--blue); font-size: 0.82rem; font-weight: 750; text-decoration: none; }
.back-link:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .login-shell { align-items: start; padding: 15px 10px; }
  .login-card { padding: 25px 20px; border-radius: 21px; }
  .login-copy { margin-top: 27px; }
  .login-brand img { width: 47px; height: 47px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}