:root {
    --bg-color: #f8fafc;
    --container-bg: #ffffff;
    --text-color: #1e293b;
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --btn-hover: #1d4ed8;
    --header-bg: #f1f5f9;
}

body.dark-mode {
    --bg-color: #0f172a;
    --container-bg: #1e293b;
    --text-color: #f1f5f9;
    --primary-color: #3b82f6;
    --secondary-color: #94a3b8;
    --border-color: #334155;
    --input-bg: #334155;
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.3);
    --btn-hover: #2563eb;
    --header-bg: #111827;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 850px;
    margin: 40px auto;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

header {
    margin-bottom: 30px;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

.logo-section h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.logo-section p {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    position: relative;
}

.step {
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 600;
    padding: 10px 15px;
    border-bottom: 3px solid var(--border-color);
    flex: 1;
    text-align: center;
    transition: all 0.3s;
}

.step.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

h2 {
    margin: 25px 0 15px;
    font-size: 1.3rem;
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
}

h3 {
    margin: 20px 0 10px;
    font-size: 1rem;
    font-weight: 600;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.radio-group, .checklist-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    background-color: var(--header-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.radio-group label, .checklist-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    color: var(--text-color);
    cursor: pointer;
}

.radio-group.inline {
    display: inline-flex;
    padding: 8px 15px;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.policy-content {
    background-color: var(--header-bg);
    padding: 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.policy-content p {
    margin-bottom: 12px;
}

.info-text {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-style: italic;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.btn {
    padding: 12px 25px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.next-btn, .submit-btn {
    background-color: var(--primary-color);
    color: white;
    margin-left: auto;
}

.next-btn:hover, .submit-btn:hover {
    background-color: var(--btn-hover);
    transform: translateY(-1px);
}

.prev-btn {
    background-color: var(--secondary-color);
    color: white;
}

.prev-btn:hover {
    background-color: #475569;
}

/* Theme Toggle */
.theme-toggle-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: .4s;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
}

.slider i {
    color: #f59e0b;
    font-size: 14px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    z-index: 2;
}

input:checked + .slider {
    background-color: #334155;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Loading & Success */
.dob-dropdowns {
    display: flex;
    gap: 8px;
}

.dob-select {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
}

.hidden {
    display: none !important;
}

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    z-index: 2000;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#success-message {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 20px;
}

.signature-instruction {
    font-size: 0.9rem;
    color: var(--secondary-color);
    background-color: var(--header-bg);
    padding: 10px;
    border-radius: 6px;
    border-left: 4px solid #f59e0b;
    margin-top: 20px;
}

/* Signature Pad */
.signature-pad-container {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background: white;
    margin-bottom: 15px;
    padding: 10px;
}

#signature-pad {
    width: 100%;
    height: 200px;
    touch-action: none;
}

.signature-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

#clear-signature {
    padding: 8px 15px;
    font-size: 0.85rem;
    background-color: var(--secondary-color);
}

/* Document Capture Walkthrough */
.capture-walkthrough {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.capture-item {
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    display: flex;
    flex-direction: column;
}

.capture-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.step-badge {
    background-color: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.capture-item h3 {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-color);
}

.capture-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.capture-preview {
    width: 100%;
    height: 150px;
    background-color: var(--container-bg);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    overflow: hidden;
    position: relative;
}

.capture-preview i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

.capture-preview span {
    font-size: 0.8rem;
}

.capture-btn {
    position: relative;
    overflow: hidden;
    font-size: 0.85rem;
    justify-content: center;
    margin: 0;
    width: 100%; /* Force buttons to stretch across their container */
    box-sizing: border-box;
}

.capture-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

@media (max-width: 600px) {
    .capture-walkthrough {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    .container {
        padding: 20px;
        margin: 20px 10px;
    }
    .step {
        font-size: 0.7rem;
        padding: 8px 5px;
    }
}