/* Auth Container */
.auth-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background-color: var(--bg-secondary);
    transition: opacity 0.3s ease;
}

.auth-container.modal-open {
    opacity: 0.3;
    pointer-events: none;
}

.auth-card {
    max-width: 450px;
    width: 100%;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--text-secondary);
}

/* Forms */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.btn-block {
    width: 100%;
    margin-top: 20px;
}

.auth-links {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    font-size: 0.875rem;
}

.auth-links a {
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
}

.auth-links a:hover {
    color: var(--accent-primary);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    position: relative;
    transform: translateY(0);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-lg {
    max-width: 800px;
}

.modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background-color: var(--card-bg);
    z-index: 10;
    border-radius: 24px 24px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--error);
}

.modal-body {
    padding: 30px;
}

/* Account Type Selection */
.account-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.account-type-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.account-type-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow);
}

.account-type-card i {
    font-size: 40px;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.account-type-card h3 {
    margin-bottom: 10px;
}

.account-type-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border);
    z-index: 1;
}

.step {
    position: relative;
    z-index: 2;
    background-color: var(--card-bg);
    padding: 0 15px;
    text-align: center;
}

.step-number {
    width: 34px;
    height: 34px;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-weight: 600;
    color: var(--text-secondary);
}

.step.active .step-number {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.step.completed .step-number {
    background-color: var(--success);
    border-color: var(--success);
    color: white;
}

.step-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.step.active .step-label {
    color: var(--accent-primary);
    font-weight: 500;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background-color: var(--bg-tertiary);
}

.file-upload:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.file-upload i {
    font-size: 40px;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.file-upload p {
    color: var(--text-secondary);
    margin: 0;
}

.file-upload small {
    color: var(--text-tertiary);
    display: block;
    margin-top: 10px;
}

/* Recovery Phrase */
.recovery-phrase {
    background-color: var(--bg-tertiary);
    padding: 20px;
    border-radius: 12px;
    font-family: monospace;
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    margin: 20px 0;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.pin-display {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--accent-primary);
    background-color: var(--bg-tertiary);
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    border: 1px solid var(--border);
    letter-spacing: 5px;
}

.otp-code {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    color: var(--success);
    background-color: var(--bg-tertiary);
    padding: 30px;
    border-radius: 12px;
    margin: 20px 0;
    border: 2px dashed var(--success);
    letter-spacing: 10px;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 30px;
}

.form-actions button {
    flex: 1;
}

/* File Upload with Preview */
.file-upload-container {
    margin-bottom: 20px;
}

.file-upload-area {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background-color: var(--bg-tertiary);
    position: relative;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-upload-area:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.file-upload-area.dragover {
    border-color: var(--accent-primary);
    background-color: rgba(0, 82, 204, 0.05);
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.file-upload-content i {
    font-size: 32px;
    color: var(--accent-primary);
}

.file-upload-content p {
    color: var(--text-secondary);
    margin: 0;
}

.file-upload-content small {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

/* Preview Grid */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.preview-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.2s;
}

.preview-item .remove-btn:hover {
    background-color: var(--error);
}

/* Progress Bar */
.upload-progress {
    margin-top: 10px;
    background-color: var(--bg-tertiary);
    border-radius: 20px;
    height: 6px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background-color: var(--accent-primary);
    transition: width 0.3s ease;
    border-radius: 20px;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Single file preview */
.single-preview {
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.single-preview img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--border);
}

.single-preview .file-info {
    flex: 1;
}

.single-preview .file-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.single-preview .file-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.single-preview .remove-file {
    color: var(--error);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.single-preview .remove-file:hover {
    background-color: rgba(217, 43, 43, 0.1);
}

/* Upload error */
.upload-error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.upload-error i {
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .account-types {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .step-label {
        font-size: 0.75rem;
    }
    
    .otp-code {
        font-size: 2rem;
        letter-spacing: 5px;
    }
}