/*
 * signier-modal (Plan 02 Phase 1b) — Baukasten-Tokens, theme-aware, self-contained.
 */
.sig-modal-overlay {
    position: fixed; inset: 0; z-index: 21000;
    background: rgba(15, 23, 42, .55);
    display: flex; align-items: center; justify-content: center;
    padding: 1rem;
}
.sig-modal {
    width: 100%; max-width: 34rem;
    background: var(--ds-card, #fff);
    color: var(--ds-foreground, #1f2937);
    border-radius: var(--ds-radius, .7rem);
    box-shadow: 0 24px 60px rgba(0,0,0,.35);
    display: flex; flex-direction: column;
    max-height: 92vh; overflow: hidden;
}
.sig-modal-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: .9rem 1.1rem; border-bottom: 1px solid var(--ds-border, #e5e7eb);
}
.sig-modal-title { font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; gap: .5rem; }
.sig-modal-title .bi { color: var(--ds-primary, #4f46e5); }
.sig-modal-x {
    border: 0; background: transparent; font-size: 1.5rem; line-height: 1;
    color: var(--ds-muted-foreground, #6b7280); cursor: pointer; padding: 0 .3rem;
}
.sig-modal-x:hover { color: var(--ds-foreground, #1f2937); }

.sig-modal-body { padding: 1.1rem; overflow-y: auto; }
.sig-modal-intent {
    font-size: 1rem; line-height: 1.5; margin: 0 0 1rem;
    padding: .8rem 1rem; border-radius: var(--ds-radius, .5rem);
    background: var(--ds-muted, #f3f4f6);
    border-left: 3px solid var(--ds-primary, #4f46e5);
}
.sig-modal-pad-label { font-size: .82rem; font-weight: 600; color: var(--ds-muted-foreground, #6b7280); margin-bottom: .35rem; }
.sig-modal-pad { max-width: 100%; }
.sig-modal-clear {
    margin-top: .4rem; border: 1px solid var(--ds-border, #d1d5db); background: var(--ds-card, #fff);
    color: var(--ds-muted-foreground, #6b7280); border-radius: var(--ds-radius, .5rem);
    padding: .3rem .6rem; font-size: .82rem; cursor: pointer;
}
.sig-modal-clear:hover { background: var(--ds-muted, #f3f4f6); }
.sig-modal-status { min-height: 1.2rem; font-size: .85rem; color: var(--ds-muted-foreground, #6b7280); margin-top: .6rem; }
.sig-modal-status.is-error { color: var(--ds-danger-fg, #b91c1c); font-weight: 600; }

.sig-modal-foot {
    display: flex; align-items: center; gap: .6rem;
    padding: .8rem 1.1rem; border-top: 1px solid var(--ds-border, #e5e7eb);
    flex-wrap: wrap;
}
.sig-modal-foot-spacer { flex: 1 1 auto; }
.sig-modal-foot button {
    border-radius: var(--ds-radius, .5rem); padding: .5rem .85rem; font-size: .9rem; font-weight: 600; cursor: pointer;
    border: 1px solid var(--ds-border, #d1d5db); background: var(--ds-card, #fff); color: var(--ds-foreground, #1f2937);
    display: inline-flex; align-items: center; gap: .4rem;
}
.sig-modal-draw-toggle { color: var(--ds-muted-foreground, #6b7280); }
.sig-modal-foot button:hover { background: var(--ds-muted, #f3f4f6); }
.sig-modal-submit {
    background: var(--ds-primary, #4f46e5) !important; color: #fff !important; border-color: var(--ds-primary, #4f46e5) !important;
}
.sig-modal-submit:hover { filter: brightness(1.06); }
.sig-modal-submit:disabled { opacity: .6; cursor: progress; }

@media (prefers-color-scheme: dark) {
    .sig-modal-overlay { background: rgba(0,0,0,.6); }
}