:root {
    --primary-color: #B71C1C; /* Darker Red color */
    --primary-hover: #8A0808;
    --bg-color: #FFF3E0; /* Warm background */
    --card-bg: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --focus-ring: rgba(211, 47, 47, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.form-container {
    background-color: var(--card-bg);
    max-width: 600px;
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    padding: 40px;
    animation: fadeIn 0.5s ease-out;
}

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

.form-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-header p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Options Container */
.options-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 500px) {
    .options-container {
        grid-template-columns: 1fr;
    }
}

/* Logo styling */
.logo {
    width: 100%;
    max-width: 280px;
    margin: 0 auto 30px auto;
    display: block;
    object-fit: contain;
}

.option-card {
    display: block;
    cursor: pointer;
    position: relative;
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.card-content {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

.card-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.card-content p {
    font-size: 14px;
    color: var(--text-muted);
}

.option-card:hover .card-content {
    border-color: #C7D2FE;
    background-color: #F5F3FF;
}

.option-card input[type="radio"]:checked + .card-content {
    border-color: var(--primary-color);
    background-color: #EEF2FF;
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.option-card input[type="radio"]:focus-visible + .card-content {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Standard Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    cursor: pointer;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.checkbox-label:hover {
    background-color: var(--bg-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--primary-color);
    cursor: pointer;
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    text-decoration: none;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: white;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-secondary:hover {
    background-color: var(--bg-color);
}

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

/* Activity Item & Batch Select */
.activities-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.activity-item:hover {
    background-color: var(--bg-color);
}

.activity-item .checkbox-label {
    border: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.activity-item .checkbox-label:hover {
    background-color: transparent;
}

.form-group select.batch-select {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: white;
    font-family: inherit;
    font-size: 14px;
    width: 140px;
    flex-shrink: 0;
}

.form-group select.batch-select:disabled {
    background-color: #F3F4F6;
    color: #9CA3AF;
    cursor: not-allowed;
}

/* UPI App Icons styling */
.upi-apps-container {
    display: none;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .upi-apps-container {
        display: flex;
    }
}

.upi-app-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    padding: 6px;
}

.upi-app-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
    background-color: #FFF5F5;
}

.upi-app-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.upi-app-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}