/* ========================================
   RESPONSIVE STYLES - NOUVEAU MESSAGE
   Clean and organized responsive rules
======================================== */

/* ========================================
   TABLET & BELOW (< 992px)
======================================== */
@media (max-width: 992px) {
    .main-container {
        grid-template-columns: 1fr;
        padding: 15px 20px;
        gap: 20px;
    }

    .preview-card {
        min-height: 400px;
    }
}

/* ========================================
   MOBILE (< 768px)
======================================== */
@media (max-width: 768px) {
    /* Force proper viewport */
    html,
    body {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }

    body {
        height: auto;
        min-height: 100vh;
    }

    /* Header */
    .header {
        padding: 15px;
        grid-template-columns: 1fr;
    }

    .nav,
    .nav-right {
        display: none;
    }

    .logo {
        justify-content: center;
    }

    .logo img {
        height: 38px;
    }

    /* Main Container */
    .main-container {
        padding: 12px;
        width: 100%;
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Form Card */
    .form-card {
        width: 100%;
        border-radius: 16px;
    }

    .form-header {
        padding: 20px 15px;
        border-radius: 16px 16px 0 0;
    }

    .form-title {
        font-size: 18px;
    }

    .form-subtitle {
        font-size: 13px;
    }

    .form-body {
        padding: 18px 15px 20px;
        width: 100%;
    }

    /* Categories */
    .categories-wrapper {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .categories-grid {
        gap: 10px;
    }

    .category-item {
        width: 65px;
        flex-shrink: 0;
        padding: 8px 4px;
    }

    .category-icon-wrapper {
        width: 40px;
        height: 40px;
    }

    .category-icon {
        width: 28px;
        height: 28px;
    }

    .category-label {
        font-size: 10px;
        margin-top: 4px;
    }

    /* Form Elements */
    .form-group {
        width: 100%;
        margin-bottom: 16px;
    }

    .form-label {
        font-size: 13px;
    }

    .form-control,
    input,
    textarea {
        width: 100%;
        padding: 14px;
        font-size: 16px !important; /* Prevent iOS zoom */
        border-radius: 12px;
    }

    textarea.form-control {
        min-height: 100px;
    }

    /* Upload Zone */
    .upload-zone {
        width: 100%;
        padding: 30px 15px;
        border-radius: 14px;
    }

    .media-preview img,
    .media-preview video {
        max-width: 100%;
        max-height: 200px;
        border-radius: 12px;
    }

    /* Date Picker */
    .date-badge {
        padding: 12px 18px;
        font-size: 14px;
    }

    /* Music Section */
    .music-section {
        width: 100%;
    }

    .music-header {
        padding: 16px;
    }

    .music-header-left h3 {
        font-size: 13px;
    }

    .music-header-left p {
        font-size: 12px;
    }

    .music-list.open {
        max-height: none;
    }

    .music-item {
        padding: 14px;
        gap: 12px;
    }

    .music-icon-wrapper {
        width: 48px;
        height: 48px;
    }

    .music-icon {
        width: 26px;
        height: 26px;
    }

    .music-title {
        font-size: 14px;
    }

    .music-duration {
        font-size: 12px;
    }

    /* Buttons */
    .btn-submit,
    .btn-preview-mobile {
        width: 100%;
        padding: 16px;
        font-size: 16px;
        border-radius: 12px;
    }

    .btn-preview-mobile {
        display: block;
        margin-top: 14px;
    }

    /* Hide desktop preview */
    .preview-card {
        display: none;
    }

    /* Modal */
    .modal-overlay {
        padding: 15px;
    }

    .modal-content {
        width: 100%;
        max-width: 100%;
        border-radius: 18px;
    }

    .modal-header {
        padding: 18px 15px;
    }

    .modal-body {
        padding: 15px;
    }

    .preview-content {
        min-height: 250px;
    }

    /* Generate Button - Mobile Responsive */
    .btn-generate-preview {
        position: relative !important;
        width: 100% !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        margin: 0 !important;
        padding: 16px !important;
        font-size: 16px !important;
    }

    /* Preview Content Wrapper */
    .preview-content > div {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px 12px !important;
    }

    /* Gift Animation Container */
    .gift-animation img {
        max-width: 200px !important;
        height: auto !important;
    }

    /* Share Interface - Mobile Responsive */
    .qrcode-container {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
    }

    .qrcode-container canvas,
    .qrcode-container img {
        max-width: 180px !important;
        max-height: 180px !important;
        width: 100% !important;
        height: auto !important;
    }

    /* Share Link Text - Simple paragraph display */
    #shareLink {
        font-size: 13px !important;
        color: #111827 !important;
        word-break: break-all !important;
        overflow-wrap: break-word !important;
    }

    /* Copy Button */
    button[onclick="copyShareLink()"] {
        flex-shrink: 0 !important;
        min-width: 44px !important;
        min-height: 44px !important;
        padding: 10px !important;
    }

    button[onclick="copyShareLink()"] svg {
        width: 18px !important;
        height: 18px !important;
    }

    /* Copy Success Message */
    #copySuccess {
        font-size: 12px !important;
        margin-top: 8px !important;
    }

    /* Share Interface Container - Force responsive width */
    .preview-content > div,
    .mobile-preview-content > div {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px 15px !important;
        box-sizing: border-box !important;
    }

    /* Action Buttons Row */
    button[onclick^="shareMessage"],
    button[onclick="downloadQRCode()"] {
        flex: 1 !important;
        padding: 14px 12px !important;
        font-size: 14px !important;
        gap: 8px !important;
    }

    button[onclick^="shareMessage"] svg,
    button[onclick="downloadQRCode()"] svg {
        width: 18px !important;
        height: 18px !important;
    }
}

/* ========================================
   SMALL MOBILE (< 480px)
======================================== */
@media (max-width: 480px) {
    /* Extra spacing adjustments */
    .main-container {
        padding: 10px;
    }

    .form-header {
        padding: 18px 12px;
    }

    .form-title {
        font-size: 17px;
    }

    .form-subtitle {
        font-size: 12px;
    }

    .form-body {
        padding: 16px 12px;
    }

    /* Smaller categories */
    .category-item {
        width: 58px;
        padding: 6px 3px;
    }

    .category-icon-wrapper {
        width: 36px;
        height: 36px;
    }

    .category-icon {
        width: 24px;
        height: 24px;
    }

    .category-label {
        font-size: 9px;
        margin-top: 3px;
    }

    /* Form controls */
    .form-control {
        padding: 13px;
        font-size: 16px !important;
    }

    /* Buttons */
    .btn-submit,
    .btn-preview-mobile {
        padding: 14px;
        font-size: 15px;
    }

    /* Music items */
    .music-item {
        padding: 12px;
    }

    .music-icon-wrapper {
        width: 44px;
        height: 44px;
    }

    .btn-play-music,
    .btn-delete-music {
        width: 34px;
        height: 34px;
    }

    /* Generate Button - Small Mobile */
    .btn-generate-preview {
        padding: 14px !important;
        font-size: 15px !important;
    }

    /* Gift Animation - Small Mobile */
    .gift-animation img {
        max-width: 160px !important;
    }

    /* QR Code - Small Mobile */
    .qrcode-container canvas,
    .qrcode-container img {
        max-width: 150px !important;
        max-height: 150px !important;
    }

    /* Share Link - Small Mobile */
    #shareLink {
        font-size: 12px !important;
    }

    /* Copy Button - Small Mobile */
    button[onclick="copyShareLink()"] {
        padding: 8px !important;
        min-width: 40px !important;
        min-height: 40px !important;
    }

    button[onclick="copyShareLink()"] svg {
        width: 16px !important;
        height: 16px !important;
    }
}

/* ========================================
   TOUCH DEVICES
======================================== */
@media (hover: none) and (pointer: coarse) {
    /* Minimum touch target sizes */
    .category-item,
    .music-item,
    .btn-submit,
    .btn-preview-mobile,
    button {
        min-height: 44px;
        touch-action: manipulation;
    }

    /* Prevent zoom on inputs */
    input,
    textarea,
    select,
    .form-control {
        font-size: 16px !important;
    }
}