/* --- Root Variables for Easy Theming --- */
:root {
    --primary-color: #0073aa; /* WordPress Blue */
    --primary-hover: #005f8c;
    --secondary-color: #4CAF50; /* Green */
    --secondary-hover: #45a049;
    --browse-btn-color: #d9534f; /* Red for browse button */
    --browse-btn-hover: #c9302c;
    --border-color: #ddd;
    --background-color: #f9f9f9;
    --card-background: #fff;
    --text-color: #333;
    --muted-text: #777;
    --success-color: #5cb85c;
    --error-color: #d9534f;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* --- Main Container --- */
.irt-pro-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    font-family: var(--font-family);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

/* --- Settings Bar --- */
.irt-pro-settings {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
    padding: 1rem;
    background: var(--card-background);
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}
.irt-pro-setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.irt-pro-setting-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}
.irt-pro-setting-group input,
.irt-pro-setting-group select {
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}
.input-with-select {
    display: flex;
}
.input-with-select input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    width: 80px;
}
.input-with-select select {
    border-left: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    background: #f1f1f1;
}
.irt-pro-actions {
    margin-left: auto;
    display: flex;
    gap: 0.75rem;
}

/* --- Buttons --- */
.irt-pro-btn {
    padding: 0.7rem 1.2rem;
    font-size: 0.95rem;
    font-weight: bold;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}
.irt-pro-btn.primary { background-color: var(--primary-color); }
.irt-pro-btn.primary:hover { background-color: var(--primary-hover); }
.irt-pro-btn.secondary { background-color: var(--secondary-color); }
.irt-pro-btn.secondary:hover { background-color: var(--secondary-hover); }
.irt-pro-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.7;
}

/* --- Drop Zone --- */
.irt-pro-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 3rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    margin-bottom: 2rem;
}
.irt-pro-drop-zone:hover,
.irt-pro-drop-zone.dragover {
    border-color: var(--primary-color);
    background-color: #f0f7ff;
}
.irt-pro-drop-zone svg {
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.irt-pro-drop-zone p {
    margin: 0.5rem 0;
    color: var(--text-color);
}
.irt-pro-drop-zone .small-text {
    color: var(--muted-text);
    font-size: 0.9rem;
}
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
/* ✅ FIX: More specific and important rule for the browse button to ensure it's red */
.irt-pro-drop-zone #browse-btn {
    background-color: var(--browse-btn-color) !important;
}
.irt-pro-drop-zone #browse-btn:hover {
    background-color: var(--browse-btn-hover) !important;
}

/* --- Preview Area and Image Cards --- */
.irt-pro-preview-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}
.irt-pro-image-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}
.card-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background-color: #f0f0f0;
}
.card-details {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.card-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
    margin: 0 0 0.25rem;
    word-break: break-all;
}
.card-size {
    font-size: 0.8rem;
    color: var(--muted-text);
    margin: 0 0 1rem;
}
.card-progress-bar {
    width: 100%;
    height: 6px;
    background-color: #e9ecef;
    border-radius: 3px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}
.card-progress-fill {
    width: 0;
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}
.card-status {
    font-size: 0.85rem;
    margin: 0 0 1rem;
    color: var(--muted-text);
}
.card-download-link {
    display: none;
    text-align: center;
    text-decoration: none;
    margin-top: auto; /* Pushes to the bottom */
    padding: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    background-color: var(--success-color);
    border-radius: 5px;
    transition: background-color 0.2s ease;
}
.card-download-link:hover {
    background-color: var(--secondary-hover);
}