/* Fonts & Variables */
:root {
    --ai-primary: #1976d2;
    --ai-primary-dark: #1565c0;
    --ai-secondary: #dc004e;
    --ai-bg: #f4f6f8;
    --ai-surface: #ffffff;
    --ai-text-primary: #212121;
    --ai-text-secondary: #757575;
    --ai-border: #e0e0e0;
    --ai-shadow: 0px 2px 1px -1px rgba(0, 0, 0, 0.2), 0px 1px 1px 0px rgba(0, 0, 0, 0.14), 0px 1px 3px 0px rgba(0, 0, 0, 0.12);
    --ai-radius: 4px;
}

.ai-pdg-wrap,
.ai-pdg-settings-wrap {
    font-family: "Roboto", "Helvetica", "Arial", sans-serif;
    color: var(--ai-text-primary);
    max-width: 1200px;
    margin: 20px auto;
}

.ai-pdg-wrap h1,
.ai-pdg-settings-wrap h1 {
    font-weight: 400;
    font-size: 2.125rem;
    line-height: 1.235;
    letter-spacing: 0.00735em;
    margin-bottom: 20px;
    color: var(--ai-text-primary);
}

.ai-pdg-wrap h2,
.ai-pdg-settings-wrap h2 {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.0075em;
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--ai-text-primary);
    border-bottom: none;
    padding: 0;
}

/* Cards */
.ai-pdg-card {
    background: var(--ai-surface);
    border-radius: var(--ai-radius);
    box-shadow: var(--ai-shadow);
    padding: 24px;
    margin-bottom: 24px;
    transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.ai-pdg-card:hover {
    box-shadow: 0px 3px 3px -2px rgba(0, 0, 0, 0.2), 0px 3px 4px 0px rgba(0, 0, 0, 0.14), 0px 1px 8px 0px rgba(0, 0, 0, 0.12);
}

/* Grid */
.ai-pdg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.ai-pdg-card.full-width {
    grid-column: 1 / -1;
}

/* Inputs & Form Elements */
label {
    color: var(--ai-text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.43;
    letter-spacing: 0.01071em;
    margin-bottom: 8px;
    display: block;
}

input[type="text"],
input[type="password"],
select,
textarea,
.widefat {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(0, 0, 0, 0.23);
    border-radius: var(--ai-radius);
    font-size: 1rem;
    line-height: 1.1875em;
    /* 19px */
    color: var(--ai-text-primary);
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    border-color: var(--ai-primary);
    box-shadow: inset 0 0 0 1px var(--ai-primary);
    outline: none;
}

textarea {
    font-family: "Roboto", "Helvetica", "Arial", sans-serif;
}

/* Buttons */
.button-primary,
.ai-pdg-actions button {
    background-color: var(--ai-primary) !important;
    color: #fff !important;
    box-shadow: 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 1px 5px 0px rgba(0, 0, 0, 0.12) !important;
    padding: 6px 16px !important;
    font-size: 0.875rem !important;
    min-width: 64px !important;
    box-sizing: border-box !important;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, border 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms !important;
    font-weight: 500 !important;
    line-height: 1.75 !important;
    border-radius: 4px !important;
    letter-spacing: 0.02857em !important;
    text-transform: uppercase !important;
    border: none !important;
    text-shadow: none !important;
    height: auto !important;
    margin-top: 10px !important;
}

.button-primary:hover,
.ai-pdg-actions button:hover {
    background-color: var(--ai-primary-dark) !important;
    box-shadow: 0px 2px 4px -1px rgba(0, 0, 0, 0.2), 0px 4px 5px 0px rgba(0, 0, 0, 0.14), 0px 1px 10px 0px rgba(0, 0, 0, 0.12) !important;
}

.button-primary:disabled {
    background-color: rgba(0, 0, 0, 0.12) !important;
    color: rgba(0, 0, 0, 0.26) !important;
    box-shadow: none !important;
}

/* Checkbox List */
.ai-category-list {
    border: 1px solid rgba(0, 0, 0, 0.23) !important;
    border-radius: var(--ai-radius);
    padding: 8px 12px;
}

.ai-category-list label {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--ai-text-primary);
}

.ai-category-list input[type="checkbox"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.54);
    border-radius: 2px;
}

.ai-category-list input[type="checkbox"]:checked {
    background-color: var(--ai-primary);
    border-color: var(--ai-primary);
}

.ai-category-list input[type="checkbox"]:checked::before {
    filter: brightness(10);
}

/* Progress Bar */
.ai-progress-bar {
    height: 4px;
    background-color: rgba(25, 118, 210, 0.3);
    /* Primary light */
    border-radius: 2px;
    margin-top: 20px;
    margin-bottom: 20px;
}

.ai-progress-fill {
    background-color: var(--ai-primary);
    border-radius: 2px;
}

/* Log */
#ai-bulk-log {
    background: #fafafa;
    border: 1px solid #eee;
    padding: 16px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.85rem;
    color: #333;
}

#ai-bulk-log li {
    margin-bottom: 4px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 4px;
}

.description {
    font-size: 0.75rem;
    color: var(--ai-text-secondary);
    margin-top: 4px;
}