/* ========================================
   Requirement Modal Styles
   Modal popup for missing requirement files
   ======================================== */

/* Modal overlay - full screen background */
.req-modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-in-out;
}

/* Modal content container */
.req-modal-content {
    background-color: var(--md-default-bg-color, #fff);
    color: var(--md-default-fg-color, #000);
    margin: 10% auto;
    padding: 0;
    border: 1px solid var(--md-default-fg-color--lightest, #888);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s ease-in-out;
}

/* Modal header */
.req-modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 24px 16px 24px;
    border-bottom: 1px solid var(--md-default-fg-color--lightest, #e0e0e0);
}

.req-modal-icon {
    width: 48px;
    height: 48px;
    color: var(--md-accent-fg-color, #ff9800);
    flex-shrink: 0;
}

.req-modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--md-default-fg-color, #000);
}

/* Modal body */
.req-modal-body {
    padding: 24px;
    line-height: 1.6;
}

.req-modal-body p {
    margin: 0 0 16px 0;
}

.req-modal-body p:last-of-type {
    margin-bottom: 0;
}

.req-modal-details {
    font-weight: 500;
    margin-bottom: 8px !important;
}

.req-modal-body ul {
    margin: 0 0 16px 0;
    padding-left: 24px;
}

.req-modal-body ul li {
    margin-bottom: 8px;
}

.req-modal-footer-text {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--md-default-fg-color--light, #666);
}

/* Modal footer */
.req-modal-footer {
    padding: 16px 24px 24px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Close button (X) */
.req-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    color: var(--md-default-fg-color--light, #aaa);
    font-size: 32px;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s ease;
}

.req-modal-close:hover,
.req-modal-close:focus {
    color: var(--md-default-fg-color, #000);
}

/* Modal buttons */
.req-modal-button {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.req-modal-button-primary {
    background-color: var(--md-primary-fg-color, #4caf50);
    color: white;
}

.req-modal-button-primary:hover {
    background-color: var(--md-primary-fg-color--dark, #388e3c);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.req-modal-button-primary:active {
    transform: translateY(0);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Dark mode support */
[data-md-color-scheme="slate"] .req-modal-content {
    background-color: var(--md-default-bg-color);
    border-color: var(--md-default-fg-color--lightest);
}

[data-md-color-scheme="slate"] .req-modal-header {
    border-bottom-color: var(--md-default-fg-color--lightest);
}

/* Responsive design */
@media (max-width: 600px) {
    .req-modal-content {
        width: 95%;
        margin: 20% auto;
    }

    .req-modal-header {
        padding: 20px 20px 12px 20px;
    }

    .req-modal-header h2 {
        font-size: 1.25rem;
    }

    .req-modal-icon {
        width: 40px;
        height: 40px;
    }

    .req-modal-body {
        padding: 20px;
    }

    .req-modal-footer {
        padding: 12px 20px 20px 20px;
    }
}