.modal-overlay { position: fixed; inset: 0; z-index: 2000; background: rgba(30, 20, 10, 0.6); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.active { display: flex; }
.modal { background: var(--paper-bg); border: 2px solid var(--cinnabar); border-radius: 8px; padding: 24px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); animation: modalIn 0.25s ease; max-height: 90vh; overflow-y: auto; }
@keyframes modalIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-title { font-size: 20px; font-weight: 700; color: var(--cinnabar); margin-bottom: 4px; letter-spacing: 1px; text-align: center; }
.modal-sub { font-size: 12px; color: var(--ink-mute); text-align: center; margin-bottom: 20px; }
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; color: var(--ink-light); margin-bottom: 4px; }
.form-input { width: 100%; height: 40px; padding: 0 12px; background: var(--card-bg); border: 1px solid var(--border-line); border-radius: 4px; color: var(--ink-main); font-size: 14px; outline: none; transition: all 0.2s; }
.form-input:focus { border-color: var(--cinnabar); box-shadow: 0 0 0 3px var(--cinnabar-light); }
.form-btn { width: 100%; height: 42px; background: var(--cinnabar); color: #fff; border: none; border-radius: 4px; font-size: 15px; font-weight: 600; letter-spacing: 1px; cursor: pointer; transition: all 0.2s; margin-top: 6px; }
.form-btn:hover { background: #8b2a20; }
.form-btn:disabled { background: var(--ink-mute); cursor: not-allowed; }
.modal-switch { text-align: center; font-size: 13px; color: var(--ink-light); margin-top: 16px; }
.modal-switch a { color: var(--cinnabar); cursor: pointer; text-decoration: underline; font-weight: 600; }
.modal-error { background: rgba(220, 38, 38, 0.1); border: 1px solid #dc2626; color: #dc2626; padding: 8px 12px; border-radius: 4px; font-size: 13px; margin-bottom: 12px; display: none; }
.modal-error.active { display: block; }