:root
{
    --bg: #0b0f1a;
    --card: #121a2b;
    --text: #e9eefc;
    --muted: rgba(233, 238, 252, 0.72);
    --line: rgba(233, 238, 252, 0.12);
    --focus: rgba(120, 160, 255, 0.35);
    --btn: #4f7cff;
    --btnHover: #3e69f5;
    --danger: #ff5c7a;
}

*
{
    box-sizing: border-box;
}

html,
body
{
    height: 100%;
}

body
{
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 800px at 50% 0%, #152044, var(--bg));
    color: var(--text);
}

.page
{
    min-height: 100%;
    display: grid;
    place-items: center;
    padding: 16px;
}

.card
{
    width: 100%;
    max-width: 520px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
    backdrop-filter: blur(6px);
}

.header h1
{
    margin: 0 0 6px 0;
    font-size: 22px;
    letter-spacing: 0.2px;
}

.header p
{
    margin: 0 0 14px 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.4;
}

.form
{
    display: grid;
    gap: 14px;
}

.fieldset
{
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    margin: 0;
}

legend
{
    padding: 0 8px;
    color: var(--muted);
    font-size: 13px;
}

.field
{
    display: grid;
    gap: 6px;
    margin-top: 10px;
}

label
{
    font-size: 14px;
}

input
{
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(0, 0, 0, 0.22);
    color: var(--text);
    padding: 12px 12px;
    font-size: 16px;
    outline: none;
}

input:focus
{
    border-color: rgba(120, 160, 255, 0.55);
    box-shadow: 0 0 0 4px var(--focus);
}

input[aria-invalid="true"]
{
    border-color: rgba(255, 92, 122, 0.65);
    box-shadow: 0 0 0 4px rgba(255, 92, 122, 0.18);
}

.hint
{
    color: var(--muted);
    font-size: 12px;
}

.actions
{
    display: grid;
}

.btn
{
    width: 100%;
    border: 0;
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 16px;
    font-weight: 650;
    color: white;
    background: var(--btn);
    cursor: pointer;
}

.btn:hover
{
    background: var(--btnHover);
}

.btn:active
{
    transform: translateY(1px);
}

.errors
{
    min-height: 18px;
    font-size: 13px;
    color: var(--danger);
    line-height: 1.35;
}
.errors p
{
    margin: 4px 0;
}

.btn-secondary
{
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--line);
    color: var(--text);
}

.btn-secondary:hover
{
    background: rgba(255,255,255,0.12);
}