:root {
  --brand-blue: #1872b9;
  --brand-green: #44b849;
  --brand-red: #d83a34;
  --brand-orange: #f59e0b;
  --ink: #223041;
  --bg-top: #eef5fb;
  --bg-bottom: #f4f7f8;
  --card-bg: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; width: 100%; height: 100%; overflow: hidden; }
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg-top) 0%, #f8fbfe 30%, var(--bg-bottom) 100%);
  color: var(--ink);
}
.app-shell {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(10px, env(safe-area-inset-top)) 10px max(10px, env(safe-area-inset-bottom)) 10px;
}
.screen { display: none; width: 100%; max-width: 430px; }
.screen.active { display: flex; align-items: stretch; }
.card {
  width: 100%;
  min-height: calc(100dvh - 20px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  background: var(--card-bg);
  border-radius: 22px;
  padding: 14px 16px;
  box-shadow: 0 12px 35px rgba(24, 114, 185, 0.12);
  border: 1px solid rgba(24, 114, 185, 0.10);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.app-card { justify-content: flex-start; }
.brand-logo { display: block; width: 100%; margin: 0 auto 10px; border-radius: 14px; }
.loading-logo, .login-logo { max-width: 250px; }
.home-logo { max-width: 210px; max-height: 96px; object-fit: contain; margin-bottom: 6px; }
h1 { margin: 0 0 6px; font-size: clamp(24px, 4.2vw, 34px); line-height: 1.05; color: var(--ink); }
label { display: block; margin-top: 10px; margin-bottom: 4px; font-weight: 700; font-size: 15px; }
input {
  width: 100%;
  padding: 12px;
  border: 1px solid #cfd8e3;
  border-radius: 14px;
  font-size: 16px;
  background: #fff;
}
.btn {
  width: 100%;
  border: 0;
  border-radius: 16px;
  padding: 13px;
  margin-top: 10px;
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.08s ease, opacity 0.2s ease;
}
.btn:active { transform: scale(0.99); }
.btn-small {
  width: auto;
  padding: 10px 14px;
  font-size: 14px;
  margin-top: 0;
  flex-shrink: 0;
}
.brand-blue { background: var(--brand-blue); color: #fff; }
.brand-green { background: var(--brand-green); color: #fff; }
.brand-red { background: var(--brand-red); color: #fff; }
.brand-orange { background: var(--brand-orange); color: #fff; }
.pale-blue { background: #8db9df; color: #eef6fd; }
.pale-green { background: #a8dca9; color: #f5fff5; }
.pale-red { background: #f1a09a; color: #fff7f6; }
.pale-orange { background: #f5d39a; color: #fff9ee; }
.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.compact-line { margin: 0; line-height: 1.15; font-size: 13px; color: #526172; }
.muted { color: #526172; }
.message { min-height: 18px; color: var(--brand-red); font-size: 14px; margin-top: 8px; }
.action-block { margin-top: 8px; }
.action-btn { font-size: clamp(20px, 5vw, 28px); padding: 16px; margin-top: 0; }
.time-note {
  padding-top: 6px;
  font-size: 13px;
  color: #4b5a6b;
  text-align: center;
  min-height: 22px;
}
.utility-btn { font-size: 15px; padding: 12px; margin-top: 10px; }
.action-message {
  margin-top: 10px;
  min-height: 18px;
  font-weight: 700;
  color: var(--brand-blue);
  font-size: 14px;
  text-align: center;
}
.hidden-fields { display: none; }