/**
 * RYO Platform - Registration Page Responsive Design
 * Breakpoints: 1024px (tablet landscape), 768px (tablet portrait), 480px (mobile), 360px (small mobile)
 * Maintains original color scheme and visual identity
 */

/* ===== TABLET LANDSCAPE (max-width: 1024px) ===== */
@media (max-width: 1024px) {
    /* Layout switches to single column */
    .register-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .register-info {
        position: static;
        order: 2;
    }

    .register-form-container {
        order: 1;
    }

    .register-main .container {
        max-width: 800px;
        padding: 0 1.5rem;
    }

    /* Step indicator */
    .step-indicator {
        padding: 1.25rem 1rem;
        gap: 0.6rem;
    }

    .step {
        padding: 0.8rem 1rem;
    }

    /* Info section */
    .info-content {
        padding: 2rem;
    }

    .info-features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

/* ===== TABLET PORTRAIT (max-width: 768px) ===== */
@media (max-width: 768px) {
    /* --- HEADER --- */
    .register-header {
        padding: 0.75rem 0;
    }

    .register-header .container {
        padding: 0 1rem;
    }

    .header-content {
        gap: 0.5rem;
    }

    .logo-img {
        height: 32px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .header-nav {
        gap: 0.75rem;
    }

    .header-nav .nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    /* --- MAIN CONTENT --- */
    .register-main {
        padding: 2rem 0;
    }

    .register-main .container {
        padding: 0 1rem;
    }

    .register-container {
        gap: 1.5rem;
    }

    /* --- FORM CONTAINER --- */
    .register-form-container {
        border-radius: 10px;
    }

    .form-header {
        padding: 1.5rem;
    }

    .form-header h2 {
        font-size: 1.5rem;
    }

    .form-header p {
        font-size: 0.9rem;
    }

    /* --- STEP INDICATOR --- */
    .step-indicator {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 1rem 0.75rem;
        gap: 0.5rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .step-indicator::-webkit-scrollbar {
        display: none;
    }

    .step {
        padding: 0.7rem 0.9rem;
        border-radius: 20px;
        min-width: fit-content;
    }

    .step-number {
        width: 26px;
        height: 26px;
        font-size: 0.85rem;
    }

    .step-label {
        font-size: 0.75rem;
        max-width: 75px;
    }

    /* --- FORM --- */
    .register-form {
        padding: 1.5rem;
    }

    .form-step h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-group {
        margin-bottom: 1.25rem;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.8rem 0.9rem;
        font-size: 16px; /* Prevent iOS zoom */
        border-radius: 10px;
    }

    /* Phone input */
    .phone-input {
        flex-direction: column;
        gap: 0.5rem;
    }

    .phone-input select {
        flex: none;
        width: 100%;
    }

    .phone-input input {
        width: 100%;
    }

    /* Form actions */
    .form-actions {
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1.5rem;
        padding-top: 1.5rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.85rem 1.5rem;
    }

    /* Verification actions */
    .verification-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .verification-actions .btn {
        width: 100%;
    }

    /* --- INFO SECTION --- */
    .info-content {
        padding: 1.5rem;
    }

    .info-content h1 {
        font-size: 1.6rem;
    }

    .info-description {
        font-size: 0.9rem;
    }

    .info-features {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .feature-item {
        padding: 0.75rem;
    }

    .feature-item i {
        font-size: 1rem;
    }

    .feature-item span {
        font-size: 0.9rem;
    }

    /* --- KYC --- */
    .kyc-content {
        padding: 15px;
    }

    .kyc-initial {
        padding: 25px 15px;
    }

    .info-icon {
        font-size: 48px;
    }

    .kyc-info h4 {
        font-size: 20px;
    }

    .kyc-info p {
        font-size: 14px;
    }

    .kyc-step-item {
        padding: 12px;
    }

    .kyc-step-item i {
        font-size: 20px;
    }

    .kyc-step-item span {
        font-size: 14px;
    }

    .kyc-info .btn-primary {
        padding: 12px 30px;
        font-size: 16px;
        width: 100%;
    }

    /* QR section */
    .qr-code-box {
        padding: 20px;
    }

    .qr-code-box canvas {
        max-width: 100% !important;
        height: auto !important;
    }

    .qr-header h4 {
        font-size: 18px;
        flex-direction: column;
    }

    .qr-instructions {
        padding: 15px;
        margin-bottom: 20px;
    }

    .qr-instructions h5 {
        font-size: 16px;
    }

    .qr-instructions ol {
        padding-left: 20px;
        font-size: 14px;
    }

    .qr-status {
        padding: 15px;
    }

    /* KYC Result */
    .result-icon {
        font-size: 60px;
    }

    .kyc-result h4 {
        font-size: 20px;
    }

    .kyc-result p {
        font-size: 14px;
    }

    .kyc-details {
        padding: 15px;
        margin: 20px auto;
    }

    .detail-item {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }

    /* --- VERIFICATION (Step 4) --- */
    .verification-content {
        padding: 1.5rem 0;
    }

    .verification-icon {
        font-size: 3rem;
    }

    .verification-content h3 {
        font-size: 1.2rem;
    }

    .email-display {
        font-size: 1rem;
        padding: 0.8rem;
        word-break: break-all;
    }

    .help-text {
        padding: 1rem;
    }

    .help-text p {
        font-size: 0.85rem;
    }

    /* --- VALIDATION MESSAGES --- */
    .validation-message {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    /* --- LOADING --- */
    .loading-content {
        padding: 2rem;
    }

    .loading-content i {
        font-size: 2.5rem;
    }

    .loading-content p {
        font-size: 1rem;
    }
}

/* ===== MOBILE (max-width: 480px) ===== */
@media (max-width: 480px) {
    /* Header */
    .register-header {
        padding: 0.5rem 0;
    }

    .register-header .container {
        padding: 0 0.75rem;
    }

    .logo-img {
        height: 28px;
    }

    .logo-text {
        font-size: 1.05rem;
    }

    .header-nav {
        gap: 0.5rem;
    }

    .header-nav .nav-link {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
    }

    .header-nav .nav-link span {
        display: none;
    }

    /* Main */
    .register-main {
        padding: 1rem 0;
    }

    .register-main .container {
        padding: 0 0.5rem;
    }

    /* Form container */
    .register-form-container {
        border-radius: 8px;
    }

    .form-header {
        padding: 1.25rem;
    }

    .form-header h2 {
        font-size: 1.3rem;
    }

    .form-header p {
        font-size: 0.85rem;
    }

    /* Step indicator - numbers only */
    .step-indicator {
        padding: 0.75rem;
        gap: 0.4rem;
        justify-content: center;
    }

    .step {
        padding: 0.5rem 0.7rem;
    }

    .step-label {
        display: none;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }

    /* Form */
    .register-form {
        padding: 1.25rem;
    }

    .form-step h3 {
        font-size: 1.1rem;
        margin-bottom: 1.25rem;
        flex-wrap: wrap;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        font-size: 0.85rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem 0.8rem;
        font-size: 16px; /* Prevent iOS zoom */
    }

    .form-group textarea {
        min-height: 80px;
    }

    .password-toggle {
        right: 0.75rem;
    }

    /* Buttons */
    .btn {
        padding: 0.8rem 1.25rem;
        font-size: 0.9rem;
    }

    .form-actions {
        margin-top: 1.25rem;
        padding-top: 1.25rem;
    }

    /* Info section */
    .info-content {
        padding: 1.25rem;
        border-radius: 10px;
    }

    .info-content h1 {
        font-size: 1.4rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .info-description {
        font-size: 0.85rem;
    }

    .feature-item {
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    /* KYC */
    .kyc-initial {
        padding: 20px 10px;
    }

    .info-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .kyc-info h4 {
        font-size: 18px;
    }

    .kyc-info p {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .kyc-steps {
        margin: 20px 0;
        gap: 10px;
    }

    .kyc-step-item {
        padding: 10px;
        gap: 10px;
    }

    .kyc-step-item i {
        font-size: 18px;
        min-width: 24px;
    }

    .kyc-step-item span {
        font-size: 13px;
    }

    .kyc-info .btn-primary {
        padding: 12px 25px;
        font-size: 15px;
        border-radius: 40px;
    }

    .qr-header h4 {
        font-size: 16px;
    }

    .qr-header p {
        font-size: 13px;
    }

    .qr-instructions {
        padding: 12px;
    }

    .qr-instructions h5 {
        font-size: 15px;
    }

    .qr-instructions ol {
        font-size: 13px;
        line-height: 1.6;
    }

    .result-icon {
        font-size: 50px;
    }

    .kyc-result h4 {
        font-size: 18px;
    }

    .kyc-result p {
        font-size: 13px;
    }

    /* Verification */
    .verification-icon {
        font-size: 2.5rem;
    }

    .verification-content h3 {
        font-size: 1.1rem;
    }

    .email-display {
        font-size: 0.9rem;
        padding: 0.75rem;
    }

    .help-text {
        padding: 0.75rem;
        margin-top: 1.5rem;
    }

    .help-text p {
        font-size: 0.8rem;
    }

    /* Loading */
    .loading-content {
        padding: 1.5rem;
        border-radius: 10px;
    }

    .loading-content i {
        font-size: 2rem;
    }

    .loading-content p {
        font-size: 0.9rem;
    }
}

/* ===== SMALL MOBILE (max-width: 360px) ===== */
@media (max-width: 360px) {
    .register-main .container {
        padding: 0 0.35rem;
    }

    .form-header h2 {
        font-size: 1.15rem;
    }

    .register-form {
        padding: 1rem;
    }

    .form-step h3 {
        font-size: 1rem;
    }

    .info-content h1 {
        font-size: 1.25rem;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

    .step-number {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    .kyc-info h4 {
        font-size: 16px;
    }

    .qr-code-box {
        padding: 15px;
    }
}

/* ===== LANDSCAPE MOBILE ===== */
@media (max-height: 500px) and (orientation: landscape) {
    .register-header {
        padding: 0.3rem 0;
    }

    .register-main {
        padding: 1rem 0;
    }

    .register-container {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .register-info {
        position: static;
        order: 1;
    }

    .register-form-container {
        order: 2;
    }

    .form-header {
        padding: 1rem;
    }

    .register-form {
        padding: 1rem;
    }

    .step-indicator {
        padding: 0.5rem;
    }

    .kyc-initial {
        padding: 15px;
    }
}

/* ===== TOUCH DEVICE OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
    /* Minimum 44px touch targets */
    .header-nav .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .btn, .btn-primary, .btn-secondary {
        min-height: 48px;
    }

    .step {
        min-height: 44px;
    }

    .password-toggle {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .kyc-info .btn-primary {
        min-height: 48px;
    }

    .close-modal {
        min-width: 44px;
        min-height: 44px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        min-height: 44px;
    }

    /* Disable hover transforms on touch */
    .module-card:hover,
    .feature-item:hover {
        transform: none;
    }

    .btn-primary:hover,
    .btn-secondary:hover,
    .btn:hover {
        transform: none;
    }

    .info-content:hover {
        transform: none;
    }
}

/* ===== COLOR PRESERVATION FOR MOBILE ===== */
@supports (-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px)) {
    .register-header {
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }

    .info-content {
        -webkit-backdrop-filter: blur(15px);
        backdrop-filter: blur(15px);
    }
}

@supports not (backdrop-filter: blur(1px)) {
    .register-header {
        background: rgba(13, 13, 13, 0.98);
    }

    .info-content {
        background: rgba(26, 26, 26, 0.98);
    }
}

/* Prevent horizontal scroll on mobile */
@media screen and (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    /* Smooth scrolling for step indicator */
    .step-indicator {
        -webkit-overflow-scrolling: touch;
    }
}