/* ============================================================
   Proiecte AI Educație — stiluri front-end
   ============================================================ */

:root {
    --pai-primary: #1f4e79;
    --pai-primary-dark: #143a5a;
    --pai-accent: #ff8a00;
    --pai-bg: #f6f8fb;
    --pai-card: #ffffff;
    --pai-border: #e3e7ee;
    --pai-text: #1f2933;
    --pai-muted: #5b6573;
    --pai-success: #2e7d32;
    --pai-danger: #c62828;
    --pai-radius: 14px;
    --pai-shadow: 0 6px 18px rgba(20, 38, 76, 0.08);
    --pai-shadow-hover: 0 10px 24px rgba(20, 38, 76, 0.12);
}

.pai-card,
.pai-generator,
.pai-dashboard,
.pai-project-single {
    background: var(--pai-card);
    border: 1px solid var(--pai-border);
    border-radius: var(--pai-radius);
    box-shadow: var(--pai-shadow);
    padding: 1.75rem;
    margin: 1.5rem 0;
    color: var(--pai-text);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.55;
}

.pai-blocked {
    text-align: center;
    border-left: 4px solid var(--pai-accent);
}

.pai-generator__header h2,
.pai-dashboard__header h2 {
    margin: 0 0 0.5rem;
    color: var(--pai-primary);
    font-weight: 700;
}

.pai-meta {
    color: var(--pai-muted);
    font-size: 0.92rem;
}

.pai-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
    margin-top: 1.25rem;
}

.pai-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pai-field--full {
    grid-column: 1 / -1;
}

.pai-field label {
    font-weight: 600;
    color: var(--pai-text);
    font-size: 0.92rem;
}

.pai-field input,
.pai-field select,
.pai-field textarea {
    border: 1px solid var(--pai-border);
    border-radius: 10px;
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--pai-text);
}

.pai-field input:focus,
.pai-field select:focus,
.pai-field textarea:focus {
    outline: none;
    border-color: var(--pai-primary);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.15);
}

.pai-form__actions {
    margin-top: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.pai-btn {
    display: inline-block;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.65rem 1.4rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
    font-size: 0.95rem;
}

.pai-btn-primary {
    background: var(--pai-primary);
    color: #fff;
}

.pai-btn-primary:hover {
    background: var(--pai-primary-dark);
    transform: translateY(-1px);
}

.pai-btn-secondary {
    background: #fff;
    border-color: var(--pai-primary);
    color: var(--pai-primary);
}

.pai-btn-secondary:hover {
    background: rgba(31, 78, 121, 0.08);
}

.pai-btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.pai-spinner {
    display: none;
    width: 22px;
    height: 22px;
    border: 3px solid var(--pai-border);
    border-top-color: var(--pai-primary);
    border-radius: 50%;
    animation: pai-spin 0.9s linear infinite;
}

.pai-spinner.is-active {
    display: inline-block;
}

@keyframes pai-spin {
    to { transform: rotate(360deg); }
}

.pai-form__feedback {
    margin-top: 1rem;
    min-height: 1.25rem;
    font-size: 0.95rem;
}

.pai-form__feedback.is-success {
    color: var(--pai-success);
}

.pai-form__feedback.is-error {
    color: var(--pai-danger);
}

/* Dashboard */
.pai-dashboard__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pai-dashboard__meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pai-pill {
    background: var(--pai-bg);
    border: 1px solid var(--pai-border);
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    font-size: 0.85rem;
    color: var(--pai-muted);
}

.pai-pill--basic {
    background: rgba(46, 125, 50, 0.1);
    color: var(--pai-success);
    border-color: rgba(46, 125, 50, 0.25);
}

.pai-pill--admin {
    background: rgba(31, 78, 121, 0.1);
    color: var(--pai-primary);
    border-color: rgba(31, 78, 121, 0.25);
}

.pai-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}

.pai-project-card {
    background: #fff;
    border: 1px solid var(--pai-border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--pai-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.pai-project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--pai-shadow-hover);
}

.pai-project-card__title {
    margin: 0 0 0.25rem;
    color: var(--pai-primary);
    font-size: 1.05rem;
}

.pai-project-card__meta {
    margin: 0 0 0.6rem;
    font-size: 0.85rem;
    color: var(--pai-muted);
}

.pai-project-card__excerpt {
    font-size: 0.92rem;
    color: var(--pai-text);
    margin-bottom: 0.9rem;
}

.pai-project-card__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pai-pagination ul {
    display: flex;
    gap: 0.35rem;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

.pai-pagination li a,
.pai-pagination li span {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--pai-border);
    color: var(--pai-primary);
    text-decoration: none;
}

/* Proiect single */
.pai-project-single h1 {
    color: var(--pai-primary);
    margin-top: 0;
}

.pai-meta-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.pai-meta-table th,
.pai-meta-table td {
    border: 1px solid var(--pai-border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

.pai-meta-table th {
    background: var(--pai-bg);
    width: 30%;
}

.pai-project-single__content {
    margin-top: 1rem;
}

.pai-project-single__content h3 {
    color: var(--pai-primary);
    margin-top: 1.5rem;
}

.pai-project-single__actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 640px) {
    .pai-grid {
        grid-template-columns: 1fr;
    }
    .pai-card,
    .pai-generator,
    .pai-dashboard,
    .pai-project-single {
        padding: 1.1rem;
    }
}