@keyframes modalIn {
    from { opacity: 0; transform: scale(0.93) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── SHARED MODAL BACKDROP ───────────────────────────────────────────────── */
.help-modal-backdrop,
.donation-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-modal-backdrop);
    backdrop-filter: blur(3px);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.help-modal-backdrop.open,
.donation-backdrop.open { display: flex; }

/* ── HELP MODAL ──────────────────────────────────────────────────────────── */
.help-modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    width: 100%;
    max-width: 480px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.2s cubic-bezier(0.34, 1.3, 0.64, 1);
    position: relative;
}

.help-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.help-modal-header-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    letter-spacing: 2.5px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-modal-header-icon {
    width: 28px;
    height: 28px;
    background: var(--color-confirmation-tint-lg);
    border: 1px solid var(--color-confirmation-border);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.help-modal-header-icon svg {
    width: 14px;
    height: 14px;
    stroke: var(--color-confirmation-primary);
    fill: none;
}

.help-modal-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    flex-shrink: 0;
}

.help-modal-close:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text);
    background: var(--color-surface-raised);
}

.help-modal-body {
    overflow-y: auto;
    padding: 24px 24px 20px;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.help-modal-body::-webkit-scrollbar { width: 4px; }
.help-modal-body::-webkit-scrollbar-track { background: transparent; }
.help-modal-body::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 100px; }

.help-title-main {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 26px;
    letter-spacing: 1.5px;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: 14px;
}

.help-title-main span { color: var(--color-confirmation-primary); }

.help-paragraph {
    font-size: 14px;
    line-height: 1.65;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.help-section-divider {
    height: 1px;
    background: var(--color-border);
    margin: 24px 0 20px;
}

.help-title-secondary {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 20px;
    letter-spacing: 2px;
    color: var(--color-text);
    margin-bottom: 16px;
}

.help-title-tertiary {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-confirmation-primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.help-title-tertiary::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 13px;
    background: var(--color-confirmation-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.help-block { margin-bottom: 20px; }

.help-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.btn-help-ok {
    width: 100%;
    background: var(--color-confirmation-primary);
    color: var(--color-on-dark);
    border: none;
    border-radius: 10px;
    padding: 13px 24px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    letter-spacing: 3px;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
    box-shadow: 0 4px 16px var(--color-confirmation-glow);
}

.btn-help-ok:hover {
    background: var(--color-confirmation-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--color-confirmation-glow-strong);
}

.btn-help-ok:active { transform: translateY(0); }

/* ── DONATION MODAL ──────────────────────────────────────────────────────── */
.donation-modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    width: 100%;
    max-width: 360px;
    overflow: hidden;
    animation: modalIn 0.25s cubic-bezier(0.34, 1.3, 0.64, 1);
    position: relative;
}

.donation-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    z-index: 1;
}

.donation-close:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text);
    background: var(--color-surface-raised);
}

.donation-content {
    padding: 32px 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.donation-heading {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 1.5px;
    color: var(--color-text);
    text-align: center;
    line-height: 1.3;
    padding-right: 20px;
}

.donation-subtext {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.55;
}

.donation-divider { height: 1px; background: var(--color-border); }

.donation-bank-label {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--color-text-secondary);
    text-align: center;
}

.donation-bank-data { display: flex; flex-direction: column; gap: 8px; }

.donation-bank-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
}

.donation-bank-row .label {
    color: var(--color-text-secondary);
    font-size: 13px;
    flex-shrink: 0;
    min-width: 54px;
}

.donation-bank-row .value {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 15px;
    letter-spacing: 1px;
    color: var(--color-highlight);
    flex: 1;
    word-break: break-all;
}

.btn-inline-copy {
    flex-shrink: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 3px 7px;
    cursor: pointer;
    display: flex;
    align-items: center;
    color: var(--color-text-secondary);
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.btn-inline-copy:hover {
    border-color: var(--color-confirmation-primary);
    color: var(--color-confirmation-primary);
    background: var(--color-confirmation-tint-sm);
}

.btn-inline-copy.copied {
    border-color: var(--color-confirmation-primary);
    color: var(--color-confirmation-primary);
    background: var(--color-confirmation-tint-lg);
}

.btn-inline-copy svg { width: 13px; height: 13px; stroke: currentColor; fill: none; }

.donation-thanks {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: center;
}

.btn-donation-ok {
    width: 100%;
    background: var(--color-confirmation-primary);
    color: var(--color-on-dark);
    border: none;
    border-radius: 10px;
    padding: 13px 24px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    letter-spacing: 3px;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
    box-shadow: 0 4px 16px var(--color-confirmation-glow);
    margin-top: 4px;
}

.btn-donation-ok:hover {
    background: var(--color-confirmation-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--color-confirmation-glow-strong);
}

.btn-donation-ok:active { transform: translateY(0); }

/* ── MERCADO PAGO BUTTONS ────────────────────────────────────────────────── */
.mp-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.btn-mp {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 10px 8px;
    color: var(--color-text);
    font-family: 'Bebas Neue', sans-serif;
    font-size: 15px;
    letter-spacing: 1px;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.btn-mp:hover {
    border-color: var(--color-confirmation-primary);
    background: var(--color-confirmation-tint-sm);
    transform: translateY(-1px);
}

.btn-mp:active { transform: translateY(0); }

.btn-mp img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .donation-modal { max-width: 100%; }
    .donation-content { padding: 28px 20px 20px; }
}