/* ============================================================
   login.css — styles specific to login.html
   Requires: portal.css loaded first
   ============================================================ */

/* ── card wrapper ── */
.card {
    width: 100%; max-width: 420px;
}
.card-title {
    font-size: 1.9rem; font-weight: 900;
    letter-spacing: -0.04em; margin-bottom: 0.35rem;
}
.card-sub {
    font-size: 0.78rem; color: var(--muted);
    letter-spacing: 0.3px; margin-bottom: 2rem;
    line-height: 1.55;
}

/* ── form fields ── */
.field { margin-bottom: 1.2rem; }
.field label {
    display: block; font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 1.8px;
    color: var(--muted); margin-bottom: 0.45rem;
}
.field input {
    width: 100%; padding: 0.85rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text); font-family: var(--font);
    font-size: 0.95rem; outline: none;
    transition: border-color 0.25s;
    -webkit-appearance: none;
}
.field input:focus { border-color: var(--border-focus); }
.field input::placeholder { color: rgba(255,255,255,0.18); }

/* ── inline error box ── */
.error-msg {
    display: none;
    background: var(--accent-dim);
    border: 1px solid rgba(253,84,87,0.28);
    color: var(--accent); padding: 0.7rem 0.9rem;
    font-size: 0.78rem; line-height: 1.5;
    margin-bottom: 1rem; letter-spacing: 0.2px;
}
.error-msg.show { display: block; }

/* ── submit button ── */
.submit-btn {
    width: 100%; padding: 0.9rem;
    background: var(--accent); color: #fff;
    border: none; font-family: var(--font);
    font-size: 0.78rem; font-weight: 800;
    letter-spacing: 2px; text-transform: uppercase;
    cursor: pointer; transition: opacity 0.25s, transform 0.1s;
    margin-top: 0.25rem;
}
.submit-btn:hover { opacity: 0.82; }
.submit-btn:active { transform: scale(0.985); }
.submit-btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

/* ── loading spinner (injected by JS) ── */
.spinner {
    display: inline-block; width: 11px; height: 11px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff; border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-right: 0.6rem; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── invitation notice ── */
.invite-note {
    margin-top: 1.75rem; padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.72rem; color: var(--muted);
    line-height: 1.6; text-align: center;
}
.invite-note a {
    color: rgba(255,255,255,0.6); text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    transition: color 0.2s, border-color 0.2s;
}
.invite-note a:hover { color: #fff; border-color: #fff; }

/* ── mobile ── */
@media (max-width: 480px) {
    .card-title { font-size: 1.5rem; }
    .corner { display: none; }
}