/* =========================================================
   POPUP / MODAL
   Uses existing :root tokens from your global stylesheet
   ========================================================= */

.popup_backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(0, 0, 0, 0.45);
    box-sizing: border-box;
}

.popup_backdrop.is_visible {
    display: flex;
}

.popup_modal {
    width: 100%;
    max-width: 520px;
    max-height: calc(100vh - (var(--space-4) * 2));
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    box-sizing: border-box;
    animation: popup_fade_in 0.18s ease-out;
}

.popup_header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-primary);
    color: var(--color-white);
}

.popup_title {
    margin: 0;
    font-family: var(--font-family-base);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    word-break: break-word;
}

.popup_close {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--color-white);
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.15s ease;
}

.popup_close:hover,
.popup_close:focus {
    background: rgba(255, 255, 255, 0.14);
    outline: none;
}

.popup_body {
    padding: var(--space-5);
    overflow: auto;
    background: var(--color-white);
}

.popup_message {
    margin: 0;
    color: var(--color-gray-900);
    font-family: var(--font-family-base);
    font-size: 15px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.popup_footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-gray-300);
    background: var(--color-gray-100);
}

.popup_button {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    padding: 10px 16px;
    min-width: 96px;
    font-family: var(--font-family-base);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        color 0.15s ease,
        transform 0.15s ease,
        box-shadow 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.popup_button:hover {
    transform: translateY(-1px);
}

.popup_button:focus {
    outline: none;
    box-shadow:
        0 0 0 3px rgba(151, 195, 241, 0.45),
        var(--shadow-sm);
}

.popup_button_primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.popup_button_primary:hover,
.popup_button_primary:focus {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.popup_button_secondary {
    background: var(--color-white);
    border-color: var(--color-gray-300);
    color: var(--color-gray-900);
}

.popup_button_secondary:hover,
.popup_button_secondary:focus {
    background: var(--color-gray-100);
    border-color: var(--color-gray-600);
}

.popup_button_danger {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.popup_button_danger:hover,
.popup_button_danger:focus {
    filter: brightness(0.92);
}

.popup_modal.popup_success .popup_header {
    background: var(--color-success);
}

.popup_modal.popup_warning .popup_header {
    background: #c7a600;
    color: var(--color-black);
}

.popup_modal.popup_warning .popup_close {
    color: var(--color-black);
}

.popup_modal.popup_error .popup_header {
    background: var(--color-accent);
}

@keyframes popup_fade_in {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}