/* ==========================================================================
   PERSONA V2 — Persona Configuration Page
   ========================================================================== */

/* ---------- Cards grid ---------- */
.persona-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 860px) {
    .persona-cards-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Persona card ---------- */
.persona-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.persona-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
    border-color: var(--color-gray-300);
}

/* ---------- Card header ---------- */
.persona-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.persona-card-icon {
    flex-shrink: 0;
    line-height: 0;
    margin-top: 2px;
}

.persona-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 4px;
}

.persona-card-desc {
    font-size: 13px;
    color: var(--color-gray-500);
    margin: 0;
    line-height: 1.5;
}

/* ---------- Drop zone ---------- */
.persona-dropzone {
    border: 2px dashed var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    position: relative;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.persona-dropzone:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
}

.persona-dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-blue-50);
}

.persona-dropzone.has-file {
    border-style: dashed;
    border-color: var(--color-gray-200);
    background: var(--color-white);
    cursor: default;
}

/* ---------- Drop zone idle state ---------- */
.persona-dropzone-idle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.persona-dropzone-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.persona-dropzone-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-600);
    margin: 0;
}

.persona-dropzone-hint {
    font-size: 12px;
    color: var(--color-gray-400);
    margin: 0;
}

.persona-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* ---------- Drop zone success state ---------- */
.persona-dropzone-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.persona-success-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #DCFCE7;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.persona-success-filename {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

.persona-success-label {
    font-size: 13px;
    color: var(--color-green-600);
    font-weight: 500;
    font-style: italic;
    margin: 0;
}

.persona-replace-btn {
    background: none;
    border: none;
    color: var(--color-gray-400);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    text-decoration: underline;
    padding: 4px 0;
    margin-top: 4px;
    transition: color 0.15s ease;
}

.persona-replace-btn:hover {
    color: var(--color-gray-600);
}

/* ---------- Info section ---------- */
.persona-info-section {
    background: #EFF6FF;
    border: 1px solid #DBEAFE;
    border-radius: var(--radius-lg);
    padding: 24px 28px;
}

.persona-info-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 12px;
}

.persona-info-header svg {
    color: var(--color-primary);
}

.persona-info-text {
    font-size: 13px;
    color: var(--color-gray-500);
    line-height: 1.6;
    margin: 0;
}

.persona-info-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ---------- Utility ---------- */
.hidden {
    display: none !important;
}