:root {
    --main: #153468;
    --accent: #ddb440;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border: #e0e0e0;
    --bg-light: #f8f9fa;
    --success: #28a745;
    --error: #dc3545;
    --white: #ffffff;
}

/* Main Container */
.send-letter-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 50px;
}

.progress-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.progress-step.active .step-circle {
    background-color: var(--main);
    border-color: var(--main);
    color: var(--white);
    box-shadow: 0 0 0 5px rgba(21, 52, 104, 0.1);
}

.progress-step.completed .step-circle {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--main);
}

.step-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
    font-weight: 500;
}

.progress-step.active .step-label {
    color: var(--main);
    font-weight: 600;
}

.progress-line {
    flex: 1;
    height: 3px;
    background-color: var(--border);
    margin: 0 10px;
    position: relative;
    top: -30px;
}

.progress-line.completed {
    background-color: var(--accent);
}

/* Form Section */
.form-section {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h1 {
    color: var(--main);
    font-size: 2rem;
    margin-bottom: 10px;
}

.section-header .lead {
    color: var(--text-light);
    font-size: 1.1rem;
    margin: 0;
}

.section-header .login-prompt {
    margin-top: 15px;
    font-size: 1rem;
    color: var(--text-light);
}

.section-header .login-prompt a {
    color: var(--main);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.section-header .login-prompt a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Form Styles */
.letter-form {
    max-width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group .required {
    color: var(--error);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--main);
    box-shadow: 0 0 0 3px rgba(21, 52, 104, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 10px;
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--main);
    text-decoration: underline;
}

/* Letter Writing Section */
.letter-writing-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--bg-light);
}

.letter-writing-section h2 {
    color: var(--main);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.section-description {
    color: var(--text-light);
    margin-bottom: 25px;
}

.character-counter {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

.letter-tips {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.letter-tips h3 {
    color: var(--main);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.letter-tips ul {
    margin: 0;
    padding-left: 20px;
}

.letter-tips li {
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.5;
}

/* Add-ons Grid */
.addons-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.addon-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.addon-card:hover {
    border-color: var(--main);
    box-shadow: 0 4px 12px rgba(21, 52, 104, 0.1);
}

.addon-card.free {
    border-color: var(--accent);
    background: linear-gradient(135deg, #fff9e6 0%, var(--white) 100%);
}

.addon-card.priority {
    border-color: #ff6b6b;
}

.addon-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.addon-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.addon-info {
    flex: 1;
}

.addon-info h3 {
    color: var(--main);
    font-size: 1.2rem;
    margin: 0 0 5px 0;
}

.addon-info p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.95rem;
}

.addon-price {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.addon-price .price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--main);
}

.free-badge {
    background-color: var(--accent);
    color: var(--main);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem !important;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 30px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent);
}

input:checked + .toggle-slider:before {
    transform: translateX(30px);
}

/* Addon Details */
.addon-details {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.info-box {
    background-color: var(--bg-light);
    padding: 15px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

/* Order Summary Box */
.order-summary-box {
    background: linear-gradient(135deg, var(--main) 0%, #1a4280 100%);
    color: var(--white);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.order-summary-box h3 {
    margin: 0 0 20px 0;
    font-size: 1.4rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 1rem;
}

.addon-line {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.summary-divider {
    height: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    margin: 15px 0;
}

.summary-line.total {
    font-size: 1.3rem;
    padding-top: 15px;
}

.free-text {
    color: var(--accent);
    font-weight: 600;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--bg-light);
}

.btn {
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #0f2749;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(21, 52, 104, 0.3);
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-outline {
    background-color: transparent;
    color: var(--main);
    border: 2px solid var(--main);
}

.btn-outline:hover {
    background-color: var(--main);
    color: var(--white);
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.info-card {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}

.info-card h3 {
    color: var(--main);
    font-size: 1.1rem;
    margin: 0 0 10px 0;
}

.info-card p {
    color: var(--text-dark);
    margin: 0;
    line-height: 1.6;
}

/* Border Design Picker */
.border-design-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 10px;
}

.border-design-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 14px 10px 12px;
    transition: all 0.2s ease;
    background: var(--white);
    position: relative;
}

.border-design-card:hover {
    border-color: var(--main);
    box-shadow: 0 4px 14px rgba(21, 52, 104, 0.12);
    transform: translateY(-2px);
}

.border-design-card.selected {
    border-color: var(--accent);
    background: linear-gradient(135deg, #fff9e6 0%, var(--white) 100%);
    box-shadow: 0 4px 14px rgba(221, 180, 64, 0.25);
}

.border-design-card.selected::after {
    content: "✓";
    position: absolute;
    top: 6px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--accent);
    color: var(--main);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 20px;
    text-align: center;
}

.border-design-card input[type="radio"] {
    display: none;
}

.border-design-card img {
    width: 100%;
    height: 110px;
    object-fit: contain;
    border-radius: 6px;
    margin-bottom: 10px;
}

.border-design-card span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    line-height: 1.3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .send-letter-container {
        padding: 20px 15px;
    }

    .form-section {
        padding: 25px 20px;
    }

    .section-header h1 {
        font-size: 1.6rem;
    }

    .section-header .lead {
        font-size: 1rem;
    }

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

    .progress-steps {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .progress-line {
        min-width: 30px;
        top: -25px;
    }

    .addon-header {
        flex-wrap: wrap;
    }

    .addon-price {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        margin-top: 10px;
    }

    .form-actions {
        flex-direction: column;
    }

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

    .order-summary-box {
        padding: 20px;
    }

    .border-design-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .section-header h1 {
        font-size: 1.4rem;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .addon-icon {
        font-size: 1.5rem;
    }

    .addon-info h3 {
        font-size: 1.1rem;
    }
}