.ai-designer-shell,
.ai-designer-shell * {
    box-sizing: border-box;
}

.ai-designer-shell {
    --ai-accent: #BC8B6A;
    --ai-accent-dark: #9f704f;
    --ai-accent-soft: #f8f0eb;
    --ai-border: #e5d0c1;
    --ai-ink: #2b211a;
    --ai-toolbar-height: 40px;
    --ai-preview-height: clamp(300px, 34vw, 420px);
    background: #fbfaf8;
    padding: 28px 16px;
}

.ai-designer-heading {
    max-width: 1120px;
    margin: 0 auto 16px;
    text-align: center;
}

.ai-designer-heading h2 {
    color: var(--ai-ink);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
}

.ai-designer-heading span {
    color: var(--ai-accent);
}

.ai-designer-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.68fr) minmax(330px, 380px);
    gap: 18px;
    align-items: start;
    max-width: 1120px;
    margin: 0 auto;
}

.ai-canvas-panel,
.ai-side-card {
    display: flex;
    min-height: 0;
    flex-direction: column;
    border: 1px solid var(--ai-border);
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(82, 54, 32, 0.05);
}

.ai-canvas-panel {
    height: calc(var(--ai-toolbar-height) + var(--ai-preview-height) + 2px);
    overflow: hidden;
}

.ai-side-card {
    overflow: visible;
}

.ai-toolbar {
    display: flex;
    flex: none;
    min-height: var(--ai-toolbar-height);
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-bottom: 1px solid var(--ai-border);
    background: var(--ai-accent-soft);
    padding: 0 10px;
}

.ai-toolbar-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.ai-toolbar-actions {
    justify-content: flex-end;
}

.ai-toolbar-divider {
    width: 1px;
    height: 22px;
    margin: 0 4px;
    background: var(--ai-border);
}

.ai-tool-btn {
    display: inline-flex;
    min-height: 30px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 0;
    background: transparent;
    color: var(--ai-ink);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    padding: 0 8px;
    white-space: nowrap;
}

.ai-tool-btn:hover:not(:disabled) {
    color: var(--ai-accent-dark);
}

.ai-download-tool {
    color: var(--ai-accent);
}

.ai-reset-tool {
    color: #75685f;
}

.ai-preview-stage {
    position: relative;
    display: flex;
    flex: none;
    height: var(--ai-preview-height);
    min-height: 300px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 22px;
    background-color: #fff;
    background-image: radial-gradient(#ead8cc 0.8px, transparent 0.8px);
    background-size: 22px 22px;
}

.ai-preview-stage.has-image {
    background-image: radial-gradient(#ead8cc 0.8px, transparent 0.8px);
}

.ai-generated-image {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
    transform-origin: center;
    transition: transform 180ms ease;
}

.ai-empty-state {
    max-width: 520px;
    text-align: center;
    color: #8c6a56;
}

.ai-empty-icon {
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--ai-accent);
    box-shadow: 0 12px 30px rgba(188, 139, 106, 0.25);
}

.ai-empty-icon i {
    color: #fff;
    font-size: 24px;
    line-height: 1;
}

.ai-empty-state h2 {
    margin-top: 14px;
    color: var(--ai-ink);
    font-family: "Domine", serif;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.35;
}

.ai-empty-state p {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.7;
}

.ai-empty-state strong {
    color: var(--ai-accent-dark);
}

.ai-loading-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--ai-accent-dark);
    font-size: 13px;
    font-weight: 600;
}

.ai-control-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: calc(var(--ai-toolbar-height) + var(--ai-preview-height) + 2px);
    min-height: auto;
    overflow: visible;
}

.ai-design-card {
    flex: 1 1 auto;
    min-height: 0;
}

.ai-upload-card {
    flex: none;
}

.ai-card-header {
    display: flex;
    min-height: 36px;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--ai-border);
    background: var(--ai-accent-soft);
    color: #2e2a27;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2.3px;
    padding: 9px 14px;
    text-transform: uppercase;
}

.ai-card-header strong {
    border-radius: 999px;
    background: var(--ai-accent);
    color: #fff;
    font-size: 10px;
    letter-spacing: 0.7px;
    line-height: 1;
    padding: 5px 8px;
}

.ai-card-body {
    padding: 12px;
}

.ai-upload-card .ai-card-body,
.ai-design-card .ai-card-body {
    display: flex;
    flex-direction: column;
}

.ai-design-card .ai-card-body {
    flex: 1;
    min-height: 0;
}

.ai-upload-dropzone {
    display: flex;
    width: 100%;
    min-height: 98px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 7px;
    border: 2px dashed #d9bea9;
    border-radius: 4px;
    background: #fff;
    color: #1f1712;
    padding: 12px;
    text-align: center;
}

.ai-upload-dropzone:hover {
    border-color: var(--ai-accent);
    background: #fff9f5;
}

.ai-upload-dropzone img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 8px 20px rgba(87, 61, 41, 0.13);
}

.ai-upload-dropzone strong,
.ai-upload-dropzone span {
    font-size: 13px;
    font-weight: 700;
}

.ai-upload-dropzone small {
    max-width: 260px;
    color: var(--ai-accent-dark);
    font-size: 12px;
    line-height: 1.55;
}

.ai-upload-icon {
    display: inline-flex;
    width: 30px;
    height: 30px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--ai-accent);
    color: var(--ai-accent);
    font-size: 17px;
}

.ai-remove-reference {
    margin-top: 10px;
    border: 0;
    background: transparent;
    color: var(--ai-accent-dark);
    font-size: 12px;
    font-weight: 700;
    text-decoration: underline;
}

.ai-select-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.ai-select-grid label {
    position: relative;
    min-width: 0;
}

.ai-select-grid label::after {
    position: absolute;
    top: 50%;
    right: 12px;
    width: 0;
    height: 0;
    border-top: 6px solid var(--ai-accent);
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
    content: "";
    pointer-events: none;
    transform: translateY(-35%);
}

.ai-select-grid select {
    width: 100%;
    height: 36px;
    appearance: none;
    border: 1px solid var(--ai-border);
    border-radius: 4px;
    background: #fff;
    color: #3a302a;
    font-size: 12px;
    outline: none;
    padding: 0 30px 0 10px;
}

.ai-select-grid select:focus,
.ai-card-body textarea:focus {
    border-color: var(--ai-accent);
    box-shadow: 0 0 0 2px rgba(188, 139, 106, 0.14);
}

.ai-card-body textarea {
    width: 100%;
    flex: 1;
    margin-top: 8px;
    resize: none;
    min-height: 68px;
    border: 1px solid var(--ai-accent);
    border-radius: 3px;
    color: #544740;
    font-size: 13px;
    line-height: 1.55;
    outline: none;
    padding: 12px;
}

.ai-card-body textarea::placeholder {
    color: #866f63;
}

.ai-character-count {
    margin-top: 5px;
    color: #b7a59a;
    font-size: 12px;
    line-height: 1;
    text-align: right;
}

.ai-generate-button {
    display: inline-flex;
    width: 100%;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--ai-accent), var(--ai-accent-dark));
    color: #fff;
    font-family: "Domine", serif;
    font-size: 15px;
    letter-spacing: 0.4px;
}

.ai-generate-button:hover:not(:disabled) {
    filter: brightness(0.96);
}

.ai-lead-panel {
    width: 100vw;
    max-width: none;
    margin: 28px calc(50% - 50vw) 0;
    padding: 32px 16px 40px;
    background: #fef4eb;
}

.ai-lead-card {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.ai-inquiry-form {
    scroll-margin-top: 24px;
}

.ai-lead-card h2 {
    color: var(--ai-ink);
    font-size: 32px;
    line-height: 1.28;
}

.ai-lead-card form {
    display: block;
    margin-top: 26px;
}

.ai-lead-card input:not([type="hidden"]):not([type="file"]),
.ai-lead-card select,
.ai-lead-card textarea {
    width: 100%;
    border: 1px solid var(--ai-border);
    border-radius: 4px;
    color: #4e4038;
    box-shadow: none;
}

.ai-lead-card input:not([type="hidden"]):not([type="file"]),
.ai-lead-card select {
    min-height: 48px;
    padding: 10px 16px;
}

.ai-lead-card textarea {
    min-height: 112px;
    padding: 12px 16px;
}

.ai-lead-card input:not([type="hidden"]):not([type="file"]):focus,
.ai-lead-card select:focus,
.ai-lead-card textarea:focus {
    border-color: var(--ai-accent);
    box-shadow: 0 0 0 2px rgba(188, 139, 106, 0.14);
    outline: none;
}

.ai-lead-card .space-y-6 > * + * {
    margin-top: 24px;
}

.ai-lead-card .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.ai-lead-card .flex {
    display: flex;
}

.ai-lead-card .justify-center {
    justify-content: center;
}

.ai-lead-card .items-center {
    align-items: center;
}

.ai-lead-card .text-center {
    text-align: center;
}

.ai-lead-card .hidden {
    display: none;
}

.ai-lead-card .bg-\[\#BC8B6A\],
.ai-lead-card button[type="submit"] {
    background: var(--ai-accent);
}

.ai-lead-card button[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 0;
    border-radius: 999px;
    color: #fff;
    padding: 12px 32px;
}

.ai-spinner {
    display: inline-block;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 999px;
    animation: ai-spin 0.75s linear infinite;
}

.ai-spinner-small {
    width: 15px;
    height: 15px;
}

.ai-spinner-large {
    width: 42px;
    height: 42px;
    border-width: 3px;
}

.ai-designer-shell button {
    transition: background-color 0.5s ease, transform 0.3s ease;
}

.ai-designer-shell button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

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

@media (min-width: 768px) {
    .ai-lead-card .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ai-lead-card .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1040px) {
    .ai-designer-layout {
        grid-template-columns: 1fr;
    }

    .ai-control-column {
        max-width: 640px;
        width: 100%;
        height: auto;
        margin: 0 auto;
    }

    .ai-design-card {
        flex: none;
    }

    .ai-card-body textarea {
        flex: none;
    }
}

@media (max-width: 640px) {
    .ai-designer-shell {
        padding: 20px 12px;
    }

    .ai-designer-heading {
        margin-bottom: 16px;
    }

    .ai-designer-heading h2 {
        font-size: 28px;
    }

    .ai-designer-layout {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .ai-control-column {
        display: contents;
    }

    .ai-upload-card {
        order: 1;
    }

    .ai-canvas-panel {
        order: 2;
        width: 100%;
        height: auto;
        overflow: visible;
    }

    .ai-design-card {
        order: 3;
        width: 100%;
    }

    .ai-generate-button {
        order: 4;
        min-height: 44px;
    }

    .ai-toolbar {
        align-items: stretch;
        flex-direction: column;
        padding: 8px;
    }

    .ai-toolbar-group,
    .ai-toolbar-actions {
        justify-content: center;
    }

    .ai-toolbar-divider {
        display: none;
    }

    .ai-tool-btn {
        min-height: 28px;
        gap: 5px;
        padding: 0 6px;
        font-size: 11px;
    }

    .ai-preview-stage {
        height: auto;
        min-height: 260px;
        padding: 18px 12px;
    }

    .ai-empty-icon {
        width: 48px;
        height: 48px;
    }

    .ai-empty-state h2 {
        margin-top: 12px;
        font-size: 18px;
    }

    .ai-empty-state p {
        margin-top: 8px;
        font-size: 12px;
        line-height: 1.55;
    }

    .ai-card-header {
        min-height: 34px;
        padding: 8px 12px;
        font-size: 11px;
        letter-spacing: 1.6px;
    }

    .ai-card-body {
        padding: 10px;
    }

    .ai-upload-dropzone {
        min-height: 112px;
        gap: 6px;
        padding: 12px 10px;
    }

    .ai-upload-dropzone small {
        max-width: 100%;
        font-size: 11px;
        line-height: 1.45;
    }

    .ai-card-body textarea {
        min-height: 110px;
        margin-top: 10px;
        padding: 10px;
    }

    .ai-lead-panel {
        margin-top: 20px;
        padding: 24px 16px 32px;
    }

    .ai-lead-card h2 {
        font-size: 26px;
    }
}

@media (max-width: 420px) {
    .ai-select-grid {
        grid-template-columns: 1fr;
    }

    .ai-card-header {
        letter-spacing: 1.8px;
    }
}