/* Mobile-friendly registration form — document uploads & navigation */
@media (max-width: 768px) {
    .registration-container .form-control,
    .registration-container input[type="file"],
    .registration-container select,
    .registration-container textarea {
        font-size: 16px;
        min-height: 48px;
    }

    .registration-container input[type="file"] {
        padding: 10px 12px;
    }

    .registration-container .form-navigation {
        position: sticky;
        bottom: 0;
        z-index: 120;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        margin-top: 16px;
        margin-bottom: 0 !important;
        padding: 12px 12px calc(12px + env(safe-area-inset-bottom, 0px));
        box-shadow: 0 -6px 24px rgba(15, 23, 42, 0.1);
        flex-direction: column;
        gap: 10px;
    }

    .registration-container .btn-nav,
    .registration-container .btn-register {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        padding: 14px 20px;
    }

    .registration-container .face-check-status,
    .registration-container .doc-check-status {
        font-size: 0.88rem;
        line-height: 1.45;
        padding: 10px 12px;
        border-radius: 10px;
        background: #f8fafc;
        border: 1px solid #e2e8f0;
    }

    .registration-container .face-check-status.checking,
    .registration-container .doc-check-status.checking {
        background: #eff6ff;
        border-color: #bfdbfe;
    }

    .registration-container .face-check-status.ok,
    .registration-container .doc-check-status.ok {
        background: #ecfdf5;
        border-color: #a7f3d0;
    }

    .registration-container .face-check-status.fail,
    .registration-container .doc-check-status.fail {
        background: #fef2f2;
        border-color: #fecaca;
    }

    .registration-container .file-preview-image-container img {
        max-width: 100%;
        max-height: min(280px, 55vh);
        width: auto;
        height: auto;
    }

    .registration-container .mobile-upload-tip {
        display: block;
        background: linear-gradient(135deg, #eff6ff 0%, #ecfdf5 100%);
        border: 1px solid #bfdbfe;
        border-radius: 12px;
        padding: 14px 16px;
        margin-bottom: 20px;
        font-size: 0.88rem;
        line-height: 1.5;
        color: #1e3a5f;
    }

    .registration-container .mobile-upload-tip i {
        color: #2563eb;
        margin-right: 6px;
    }

    .registration-container .document-category {
        margin-bottom: 18px;
    }

    .registration-container .file-error-message {
        font-size: 0.88rem;
        line-height: 1.4;
    }

    /* Education table — card layout on mobile (8 columns do not fit) */
    .registration-container .education-table {
        overflow: visible;
        box-shadow: none;
        background: transparent;
        margin-top: 12px;
    }

    .registration-container .education-table > table {
        border: none;
    }

    .registration-container .education-table thead {
        display: none;
    }

    .registration-container .education-table tbody tr {
        display: block;
        background: #fff;
        border: 1px solid #e2e8f0;
        border-radius: 14px;
        padding: 14px 14px 4px;
        margin-bottom: 14px;
        box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
    }

    .registration-container .education-table tbody td {
        display: block;
        width: 100% !important;
        border: none !important;
        padding: 0 0 14px;
        vertical-align: top;
    }

    .registration-container .education-table tbody td::before {
        display: block;
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: #64748b;
        margin-bottom: 6px;
    }

    .registration-container .education-table tbody td:nth-child(1)::before { content: "Qualification #"; }
    .registration-container .education-table tbody td:nth-child(2)::before { content: "Exam Passed"; }
    .registration-container .education-table tbody td:nth-child(3)::before { content: "Exam Name"; }
    .registration-container .education-table tbody td:nth-child(4)::before { content: "Year"; }
    .registration-container .education-table tbody td:nth-child(5)::before { content: "Institute / Board"; }
    .registration-container .education-table tbody td:nth-child(6)::before { content: "Stream"; }
    .registration-container .education-table tbody td:nth-child(7)::before { content: "% / CGPA"; }
    .registration-container .education-table tbody td:nth-child(8)::before { content: "Remove"; }

    .registration-container .education-table tbody td:nth-child(1) {
        font-weight: 700;
        color: #1a56db;
        font-size: 1rem;
        padding-bottom: 10px;
        margin-bottom: 2px;
        border-bottom: 1px solid #f1f5f9 !important;
    }

    .registration-container .education-table .form-control,
    .registration-container .education-table .form-select,
    .registration-container .education-table input,
    .registration-container .education-table select {
        width: 100%;
        min-height: 48px;
        font-size: 16px;
    }

    .registration-container .education-table .btn-remove-row {
        width: 100%;
        min-height: 44px;
        border-radius: 10px;
        margin-bottom: 4px;
    }

    .registration-container .education-table .btn-add-row {
        width: 100%;
        min-height: 48px;
        margin-top: 4px;
    }
}

@media (min-width: 769px) {
    .registration-container .mobile-upload-tip,
    .workshop-reg .mobile-upload-tip {
        display: none;
    }
}

@media (max-width: 768px) {
    .workshop-reg .form-control,
    .workshop-reg input[type="file"],
    .workshop-reg select,
    .workshop-reg textarea {
        font-size: 16px;
        min-height: 48px;
    }

    .workshop-reg .workshop-file-input {
        padding: 10px 12px;
    }

    .workshop-reg .workshop-form-actions {
        position: sticky;
        bottom: 0;
        z-index: 120;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px));
        margin-top: 8px;
        box-shadow: 0 -6px 24px rgba(15, 23, 42, 0.1);
        flex-direction: column;
        gap: 10px;
    }

    .workshop-reg .btn-submit,
    .workshop-reg .btn-back {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        text-align: center;
    }

    .workshop-reg .face-check-status,
    .workshop-reg .doc-check-status {
        font-size: 0.88rem;
        line-height: 1.45;
        padding: 10px 12px;
        border-radius: 10px;
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        margin-top: 8px;
    }

    .workshop-reg .file-preview-image-container img {
        max-width: 100%;
        max-height: min(280px, 55vh);
    }

    .workshop-reg .mobile-upload-tip {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 16px;
    }

    .workshop-reg .mobile-upload-tip p {
        margin: 0;
    }
}