/* Overlay */
.contrib-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1100;
    opacity: 0;
    transition: opacity .2s ease;
}

.contrib-overlay.show { opacity: 1; }

/* Modal */
.contrib-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.98);
    background: #fff;
    border-radius: 16px;
    width: 900px;
    min-height: 400px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 3px 8px rgba(0,0,0,0.15);
    z-index: 1110;
    border: 1px solid rgba(0,0,0,0.18);
    transition: transform .18s ease, opacity .18s ease;
    opacity: 0;
    max-height: calc(100vh - 64px);
    overflow: hidden; /* container manages its own scroll area below */
}

.contrib-modal.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

.contrib-close {
    position: absolute;
    top: 10px;
    right: 12px;
    border: none;
    background: transparent;
    font-size: 22px;
    cursor: pointer;
    color: #666;
}

.contrib-grid {
    display: grid;
    grid-template-columns: 1fr 0.8fr 1fr;
    gap: 24px;
    padding: 24px 48px 24px 48px;
    height: 100%;
    align-items: stretch;
    overflow-y: auto; /* scroll within the modal instead of page */
}

.contrib-left h2 { margin: 0 0 4px 0; font-size: 32px; font-family: 'Georgia', serif; font-weight: bold; font-weight: 200; margin-top: 50px; }
.contrib-subtitle { margin: 0 0 16px 0; color: #666; }

.contrib-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.contrib-field label { font-size: 13px; color: #444; }
.contrib-field input, .contrib-right textarea {
    border: 1px solid #d0d7de;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
}

.contrib-field input[readonly] { background: #f8f9fb; color: #6b7280; }

/* Categories */
.contrib-categories { display: grid; grid-template-columns: 1fr; gap: 10px; }
.contrib-cat {
    border: 1px solid #dadce0;
    border-radius: 10px;
    background: #f7f8fa;
    padding: 10px 12px;
    font-size: 13px;
    cursor: pointer;
    text-align: left;
}

.contrib-cat.is-active {
    background: #fff;
    border-color: #1a73e8;
    border-width: 2px;
    font-weight: 700;
}

/* Right column */
.contrib-right { display: flex; flex-direction: column; gap: 10px; height: 100%; }
.contrib-right label { font-size: 13px; color: #444; }
.contrib-right textarea { flex: 1 1 auto; min-height: 0; font-family: 'Georgia', serif; line-height: 1.5; font-size: 14px; }

.contrib-submit {
    align-self: flex-end;
    background: #1a73e8;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    cursor: pointer;
}

.contrib-submit:disabled { opacity: .6; cursor: not-allowed; }

/* Login button shown when unauthenticated */
.contrib-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1a73e8;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    box-shadow: 0 2px 0 rgba(0,0,0,0.2);
}

.contrib-login:hover { background: #155fc7; }

/* Validation */
.contrib-invalid { border-color: #d93025 !important; box-shadow: 0 0 0 3px rgba(217,48,37,0.08); }

@media (max-width: 920px) {
    /* Keep overlay margin for easy tap-to-dismiss */
    .contrib-modal {
        width: calc(100vw - 32px); /* 16px margin around */
        max-width: 380px;
        min-height: 0;
        max-height: calc(100vh - 32px);
        border-radius: 12px;
    }

    .contrib-grid {
        grid-template-columns: 1fr; /* stack to three rows */
        gap: 16px;
        padding: 16px 18px 18px 18px;
    }

    .contrib-left h2 { font-size: 26px; margin-top: 8px; }
    .contrib-field label, .contrib-right label { font-size: 12px; }
    .contrib-field input, .contrib-right textarea { font-size: 13px; padding: 10px; }
    .contrib-categories { gap: 8px; }
    .contrib-cat { padding: 8px 10px; font-size: 12px; }
    .contrib-submit { font-size: 13px; padding: 9px 12px; }

    /* Swap to dropdown on mobile */
    .contrib-select-label, .contrib-select { display: block !important; margin-bottom: 10px; }
    .contrib-categories { display: none; }
    .contrib-select {
        border: 1px solid #dadce0;
        border-radius: 10px;
        background: #f7f8fa;
        padding: 10px 12px;
        font-size: 14px;
        width: 100%;
    }
}

/* Very small phones: tighten more but preserve screen margin */
@media (max-width: 420px) {
    .contrib-modal {
        width: calc(100vw - 24px); /* 12px margin */
        max-height: calc(100vh - 24px);
    }
    .contrib-grid { padding: 14px; gap: 12px; }
    .contrib-left h2 { font-size: 22px; }
}

/* Freeze page scroll when the modal is open (toggle this class via JS) */
body.contrib-open {
    overflow: hidden !important;
    touch-action: none;
}