.basic-info-page main {
    padding: 2rem 0;
    min-height: 60vh;
    background-image: var(--hero-image);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.basic-info-section {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.basic-info-section h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.25rem, 4vw, 2rem);
    color: #ffffff;
    text-shadow: var(--heading-shadow);
}

.basic-info-card {
    border-radius: 1rem;
    box-shadow: 0 0.85rem 2rem rgba(0, 44, 102, 0.09);
    padding: 1.25rem;
}

.basic-info-card,
.basic-tab-panel {
    background: #ffffff;
    border: 1px solid #cde4eb;
}

.basic-info-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.basic-tab {
    --tab-bg: var(--blue-bg);
    --tab-fg: var(--blue-fg);
    border: 1px solid color-mix(in srgb, var(--tab-fg) 16%, white);
    border-radius: 0.7rem;
    background: var(--tab-bg);
    color: var(--tab-fg);
    font-weight: 700;
    padding: 0.8rem 0.7rem;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.basic-tab:nth-child(2) {
    --tab-bg: var(--cyan-bg);
    --tab-fg: var(--cyan-fg);
}

.basic-tab:nth-child(3) {
    --tab-bg: var(--mint-bg);
    --tab-fg: var(--mint-fg);
}

.basic-tab:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.35rem 0.8rem rgba(0, 96, 122, 0.18);
}

.basic-tab.active {
    background: color-mix(in srgb, var(--tab-bg) 78%, white);
    color: color-mix(in srgb, var(--tab-fg) 88%, black);
    border-color: color-mix(in srgb, var(--tab-fg) 22%, white);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.32), 0 0.35rem 0.8rem rgba(0, 96, 122, 0.14);
}

.basic-tab-panel {
    border-radius: 0.8rem;
    padding: 1rem;
}

.basic-tab-panel form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.field-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
    color: #16353f;
    font-weight: 600;
    font-size: clamp(0.77rem, 1.84vw, 0.92rem);
}

.field-grid input,
.field-grid select {
    width: 100%;
    max-width: 100%;
    border: 1px solid #9cc2d0;
    border-radius: 0.5rem;
    padding: 0.65rem 0.7rem;
}

.field-grid input:focus,
.field-grid select:focus {
    outline: 2px solid rgba(0, 96, 122, 0.25);
    border-color: #00607A;
}

.photo-tips-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.photo-tips-list li {
    display: grid;
    grid-template-columns: 1.6rem 1fr;
    gap: 0.5rem;
    align-items: start;
    color: #173943;
}

.upload-label {
    font-weight: 700;
    color: #144d67;
}

.drop-zone {
    border: 2px dashed #89b5c6;
    border-radius: 0.9rem;
    background: linear-gradient(160deg, rgba(161, 216, 226, 0.18), rgba(184, 226, 200, 0.2));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 1.2rem;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.drop-zone-visual {
    width: min(100%, 290px);
    min-height: 7rem;
    display: grid;
    place-items: center;
    margin-top: 0.35rem;
}

.drop-zone-icon {
    width: clamp(3.25rem, 12vw, 4.5rem);
    height: auto;
    fill: #2f6d83;
    opacity: 0.9;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.drop-zone p {
    width: min(100%, 22rem);
    margin: 0.2rem 0;
    text-align: left;
    color: #184355;
}

.drop-zone.drag-over {
    border-color: #00607A;
    transform: scale(1.01);
    box-shadow: 0 0.6rem 1rem rgba(0, 96, 122, 0.15);
}

.drop-zone.has-preview {
    border-style: solid;
}

.drop-zone.has-preview .drop-zone-icon {
    display: none;
}

.photo-preview {
    display: block;
    width: min(100%, 290px);
    margin: 0;
    border-radius: 0.7rem;
    box-shadow: 0 0.4rem 1.2rem rgba(4, 40, 57, 0.22);
    object-fit: cover;
}

.save-button {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(17, 61, 17, 0.28);
    border-radius: 0.5rem;
    background-color: #92cf6f;
    color: #113d11;
    font-weight: 700;
    padding: 0.9rem 1.6rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
    box-shadow: 0 0.5rem 1.2rem rgba(0, 82, 10, 0.18);
}

.save-button:hover {
    background-color: #a0dc7d;
    transform: translateY(-1px);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 82, 10, 0.24);
}

.basic-tab,
.field-grid input,
.field-grid select,
.photo-tips-list li,
.save-button {
    font-size: var(--form-control-font-size);
    font-family: inherit;
}

@media (max-width: 800px) {
    .basic-info-page main {
        background-attachment: scroll;
    }

    .basic-info-tabs {
        grid-template-columns: 1fr;
    }

    .field-grid {
        grid-template-columns: 1fr;
    }

    .basic-info-card {
        padding: 0.85rem;
    }

    .basic-tab-panel {
        padding: 0.85rem;
    }

    .save-button {
        width: 100%;
        text-align: center;
    }
}