/* ============================================
   MakHome RoomVision — Frontend Styles
   ============================================ */

/* --- Variables --- */
:root {
    --mkrv-black: #1a1a1a;
    --mkrv-dark: #333;
    --mkrv-gray: #888;
    --mkrv-light: #f5f5f5;
    --mkrv-border: #e0e0e0;
    --mkrv-white: #fff;
    --mkrv-accent: #1a1a1a;
    --mkrv-accent-hover: #333;
    --mkrv-error: #d63638;
    --mkrv-radius: 12px;
    --mkrv-radius-sm: 8px;
    --mkrv-transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --mkrv-font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* No scroll when modal open */
body.mkrv-no-scroll {
    overflow: hidden;
}

/* --- Trigger Button --- */
.mkrv-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--mkrv-white);
    color: var(--mkrv-black);
    border: 1.5px solid var(--mkrv-border);
    border-radius: var(--mkrv-radius-sm);
    font-family: var(--mkrv-font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--mkrv-transition);
    margin-top: 10px;
}

.mkrv-trigger:hover {
    border-color: var(--mkrv-black);
    background: var(--mkrv-light);
}

.mkrv-trigger svg {
    flex-shrink: 0;
}

/* --- Modal --- */
.mkrv-modal {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.3s, opacity var(--mkrv-transition);
}

.mkrv-modal--open {
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
}

.mkrv-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.mkrv-modal__dialog {
    position: relative;
    width: 95%;
    max-width: 560px;
    max-height: 90vh;
    background: var(--mkrv-white);
    border-radius: var(--mkrv-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
    transform: translateY(20px) scale(0.97);
    transition: transform var(--mkrv-transition);
}

.mkrv-modal--open .mkrv-modal__dialog {
    transform: translateY(0) scale(1);
}

/* Header */
.mkrv-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--mkrv-border);
    flex-shrink: 0;
}

.mkrv-modal__header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mkrv-modal__logo {
    color: var(--mkrv-black);
}

.mkrv-modal__title {
    font-family: var(--mkrv-font);
    font-size: 16px;
    font-weight: 600;
    color: var(--mkrv-black);
    margin: 0;
    line-height: 1.2;
}

.mkrv-modal__subtitle {
    font-family: var(--mkrv-font);
    font-size: 12px;
    color: var(--mkrv-gray);
    margin: 2px 0 0;
    line-height: 1.2;
}

.mkrv-modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--mkrv-gray);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--mkrv-transition);
}

.mkrv-modal__close:hover {
    background: var(--mkrv-light);
    color: var(--mkrv-black);
}

/* Body */
.mkrv-modal__body {
    padding: 24px 20px;
    overflow-y: auto;
    flex: 1;
}

/* --- Steps --- */
.mkrv-step {
    display: none;
}

.mkrv-step--active {
    display: block;
}

/* --- Dropzone --- */
.mkrv-dropzone {
    position: relative;
    border: 2px dashed var(--mkrv-border);
    border-radius: var(--mkrv-radius);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--mkrv-transition);
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mkrv-dropzone:hover,
.mkrv-dropzone--dragover {
    border-color: var(--mkrv-black);
    background: var(--mkrv-light);
}

.mkrv-dropzone__input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: -1;
}

.mkrv-dropzone__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 20px;
    text-align: center;
    color: var(--mkrv-gray);
}

.mkrv-dropzone__empty svg {
    opacity: 0.4;
}

.mkrv-dropzone__text {
    font-family: var(--mkrv-font);
    font-size: 15px;
    color: var(--mkrv-dark);
    margin: 0;
}

.mkrv-dropzone__browse {
    background: none;
    border: none;
    color: var(--mkrv-accent);
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

.mkrv-dropzone__hint {
    font-family: var(--mkrv-font);
    font-size: 12px;
    color: var(--mkrv-gray);
}

/* Preview */
.mkrv-dropzone__preview {
    position: relative;
    width: 100%;
}

.mkrv-dropzone__preview img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.mkrv-dropzone__change {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-family: var(--mkrv-font);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--mkrv-transition);
}

.mkrv-dropzone__change:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* --- Buttons --- */
.mkrv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--mkrv-radius-sm);
    font-family: var(--mkrv-font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--mkrv-transition);
    text-decoration: none;
}

.mkrv-btn--primary {
    background: var(--mkrv-black);
    color: var(--mkrv-white);
    width: 100%;
    margin-top: 16px;
}

.mkrv-btn--primary:hover {
    background: var(--mkrv-accent-hover);
}

.mkrv-btn--primary:disabled {
    background: var(--mkrv-border);
    color: var(--mkrv-gray);
    cursor: not-allowed;
}

.mkrv-btn--secondary {
    background: var(--mkrv-light);
    color: var(--mkrv-black);
    border: 1px solid var(--mkrv-border);
}

.mkrv-btn--secondary:hover {
    background: var(--mkrv-border);
}

.mkrv-link {
    background: none;
    border: none;
    color: var(--mkrv-gray);
    font-family: var(--mkrv-font);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 8px;
    text-decoration: underline;
    transition: color var(--mkrv-transition);
}

.mkrv-link:hover {
    color: var(--mkrv-black);
}

/* --- Loading --- */
.mkrv-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 20px;
    text-align: center;
}

.mkrv-loading__spinner {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mkrv-loading__ring {
    position: absolute;
    inset: 0;
    border: 3px solid var(--mkrv-border);
    border-top-color: var(--mkrv-black);
    border-radius: 50%;
    animation: mkrvSpin 1s linear infinite;
}

@keyframes mkrvSpin {
    to { transform: rotate(360deg); }
}

.mkrv-loading__percent {
    font-family: var(--mkrv-font);
    font-size: 20px;
    font-weight: 600;
    color: var(--mkrv-black);
}

.mkrv-loading__status {
    font-family: var(--mkrv-font);
    font-size: 16px;
    font-weight: 500;
    color: var(--mkrv-black);
    margin: 0;
}

.mkrv-loading__tip {
    font-family: var(--mkrv-font);
    font-size: 13px;
    color: var(--mkrv-gray);
    margin: 0;
    transition: opacity 0.3s ease;
}

/* --- Result --- */
.mkrv-result {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mkrv-result__image-wrap {
    border-radius: var(--mkrv-radius);
    overflow: hidden;
    background: var(--mkrv-light);
}

.mkrv-result__image {
    width: 100%;
    height: auto;
    display: block;
}

.mkrv-result__disclaimer {
    font-family: var(--mkrv-font);
    font-size: 11px;
    color: var(--mkrv-gray);
    text-align: center;
    margin: 0;
}

.mkrv-result__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.mkrv-result__actions .mkrv-btn {
    width: 100%;
}

.mkrv-result__secondary {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 4px;
}

/* --- Error --- */
.mkrv-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px 20px;
    text-align: center;
}

.mkrv-error svg {
    color: var(--mkrv-error);
    opacity: 0.7;
}

.mkrv-error__message {
    font-family: var(--mkrv-font);
    font-size: 15px;
    color: var(--mkrv-dark);
    margin: 0;
    max-width: 360px;
}

/* --- Responsive --- */
@media (max-width: 600px) {
    .mkrv-modal__dialog {
        width: 100%;
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        height: 100%;
    }

    .mkrv-modal__body {
        padding: 20px 16px;
    }

    .mkrv-dropzone {
        min-height: 200px;
    }

    .mkrv-dropzone__preview img {
        height: 220px;
    }

    .mkrv-result__actions {
        grid-template-columns: 1fr;
    }

    .mkrv-trigger {
        width: 100%;
        justify-content: center;
    }
}