/* HeartAfrika Enhanced Risk Assessment Form Styles */
/* Brand Colors: Crimson Red (#DC3545) and Black/Charcoal (#1a1a1a) */

:root {
    /* HeartAfrika Brand Colors */
    --ha-primary: #DC3545;
    --ha-primary-dark: #B82D3C;
    --ha-primary-light: #E85A68;
    --ha-black: #1a1a1a;
    --ha-charcoal: #2d2d2d;
    --ha-dark-gray: #404040;
    --ha-medium-gray: #666666;
    --ha-light-gray: #f5f5f5;
    --ha-white: #ffffff;
    
    /* Gradients */
    --ha-gradient-primary: linear-gradient(135deg, #DC3545 0%, #B82D3C 100%);
    --ha-gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    --ha-gradient-subtle: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
    
    /* Shadows */
    --ha-shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.08);
    --ha-shadow-md: 0 4px 20px rgba(26, 26, 26, 0.12);
    --ha-shadow-lg: 0 8px 32px rgba(26, 26, 26, 0.16);
    --ha-shadow-primary: 0 4px 16px rgba(220, 53, 69, 0.3);
    
    /* Transitions */
    --ha-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Form Progress Indicator */
.form-progress {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ha-gradient-dark);
    padding: 1.25rem 0;
    margin: -1.5rem -1.5rem 2rem -1.5rem;
    border-radius: 14px 14px 0 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--ha-transition);
    cursor: pointer;
}

.progress-step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    z-index: -1;
}

.progress-step:last-child::after {
    display: none;
}

.progress-step.active {
    color: #fff;
}

.progress-step.completed {
    color: var(--ha-primary);
}

.progress-step.completed::after {
    background: var(--ha-primary);
}

.step-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    transition: var(--ha-transition);
    border: 2px solid transparent;
}

.progress-step.active .step-circle {
    background: var(--ha-primary);
    color: #fff;
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.3);
    border-color: var(--ha-primary);
}

.progress-step.completed .step-circle {
    background: var(--ha-primary);
    color: #fff;
    border-color: var(--ha-primary);
}

.progress-step.completed .step-circle::after {
    content: '✓';
    font-size: 1.1rem;
}

.progress-step:hover:not(.active):not(.completed) {
    transform: scale(1.05);
}

.progress-step:hover .step-circle {
    background: rgba(220, 53, 69, 0.3);
    border-color: var(--ha-primary);
}

.step-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Enhanced Form Sections */
.form-section {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
    margin-bottom: 2rem;
}

.form-section.active {
    display: block !important;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-card {
    background: var(--ha-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--ha-shadow-md);
    border: 1px solid rgba(26, 26, 26, 0.05);
    transition: var(--ha-transition);
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ha-gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.section-card:hover::before,
.section-card:focus-within::before {
    transform: scaleX(1);
}

.section-card:hover {
    box-shadow: var(--ha-shadow-lg);
    transform: translateY(-3px);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 2px solid var(--ha-light-gray);
}

.section-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-right: 1.25rem;
    background: var(--ha-gradient-primary);
    color: #fff;
    box-shadow: var(--ha-shadow-primary);
    transition: var(--ha-transition);
}

.section-card:hover .section-icon {
    transform: scale(1.05) rotate(3deg);
}

.section-title {
    flex: 1;
}

.section-title h5 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--ha-black);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--ha-medium-gray);
    margin: 0.35rem 0 0 0;
}

.required-badge {
    background: var(--ha-gradient-primary);
    color: #fff;
    padding: 0.35rem 0.9rem;
    border-radius: 25px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    box-shadow: var(--ha-shadow-primary);
}

.optional-badge {
    background: var(--ha-gradient-dark);
    color: #fff;
    padding: 0.35rem 0.9rem;
    border-radius: 25px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.75px;
}

/* Enhanced Form Controls */
.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    font-weight: 700;
    color: var(--ha-charcoal);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.form-label i {
    color: var(--ha-primary);
    font-size: 1rem;
}

.form-label .required-indicator {
    color: var(--ha-primary);
    font-weight: 800;
    font-size: 1.1rem;
}

.form-control,
.form-select {
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--ha-transition);
    background: var(--ha-white);
    color: var(--ha-black);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ha-primary);
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.12);
    outline: none;
}

.form-control:hover,
.form-select:hover {
    border-color: #ccc;
}

.form-control::placeholder {
    color: #999;
    font-weight: 400;
}

.input-group {
    position: relative;
}

.input-group-text {
    background: var(--ha-gradient-dark);
    border: none;
    color: #fff;
    border-radius: 12px 0 0 12px;
    padding: 0.85rem 1.1rem;
    font-size: 1.15rem;
    min-width: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-group .form-control,
.input-group .form-select {
    border-left: none;
    border-radius: 0 12px 12px 0;
}

.input-group .form-control:focus,
.input-group .form-select:focus {
    border-left: none;
}

/* Unit suffix styling */
.input-group-text.bg-light {
    background: var(--ha-light-gray) !important;
    color: var(--ha-dark-gray);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 0 12px 12px 0;
    border: 2px solid #e5e5e5;
    border-left: none;
}

.input-group .form-control + .input-group-text {
    border-radius: 0 12px 12px 0;
}

.form-text {
    font-size: 0.825rem;
    color: var(--ha-medium-gray);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.form-text i {
    color: var(--ha-primary);
    opacity: 0.7;
}

/* Range Indicator */
.range-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    background: var(--ha-light-gray);
    border-radius: 10px;
    margin-top: 0.6rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.range-indicator.normal {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.range-indicator.warning {
    background: #fef3c7;
    color: #d97706;
    border: 1px solid #fde68a;
}

.range-indicator.danger {
    background: #fef2f2;
    color: var(--ha-primary);
    border: 1px solid #fecaca;
}

/* Enhanced Radio and Checkbox */
.form-check {
    padding: 0.85rem 1.1rem;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    transition: var(--ha-transition);
    cursor: pointer;
    background: var(--ha-white);
}

.form-check:hover {
    border-color: rgba(220, 53, 69, 0.4);
    background: rgba(220, 53, 69, 0.02);
}

.form-check-input:checked ~ .form-check-label {
    color: var(--ha-primary);
    font-weight: 700;
}

.form-check-input:checked {
    background-color: var(--ha-primary);
    border-color: var(--ha-primary);
}

.form-check-input {
    width: 1.35rem;
    height: 1.35rem;
    margin-top: 0;
    cursor: pointer;
    border: 2px solid #ccc;
}

.form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.12);
    border-color: var(--ha-primary);
}

.form-check-label {
    cursor: pointer;
    margin-left: 0.6rem;
    font-weight: 500;
}

/* Collapsible Optional Sections */
.collapsible-section {
    margin-bottom: 1.5rem;
}

.collapse-toggle {
    width: 100%;
    background: var(--ha-light-gray);
    border: 2px solid #e5e5e5;
    border-radius: 14px;
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--ha-transition);
    font-weight: 700;
    color: var(--ha-charcoal);
}

.collapse-toggle:hover {
    background: #f0f0f0;
    border-color: rgba(220, 53, 69, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--ha-shadow-sm);
}

.collapse-toggle i {
    transition: transform 0.3s ease;
    color: var(--ha-primary);
}

.collapse-toggle[aria-expanded="true"] i {
    transform: rotate(180deg);
}

/* Submit Button Enhancement */
.submit-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--ha-light-gray);
}

.btn-submit {
    background: var(--ha-gradient-primary);
    border: none;
    border-radius: 14px;
    padding: 1.1rem 2.5rem;
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    box-shadow: var(--ha-shadow-primary);
    transition: var(--ha-transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(220, 53, 69, 0.45);
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit .spinner-border {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 2px;
}

/* Security Badge */
.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.1rem;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #86efac;
    border-radius: 14px;
    color: #16a34a;
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 1.25rem;
}

.security-badge i {
    font-size: 1.35rem;
}

/* Form Navigation Buttons */
.form-navigation {
    padding: 1.75rem 0;
    border-top: 2px solid var(--ha-light-gray);
    margin-top: 2rem;
}

.form-navigation .btn {
    min-width: 160px;
    padding: 0.85rem 2rem;
    font-weight: 700;
    border-radius: 12px;
    transition: var(--ha-transition);
    font-size: 1rem;
}

.form-navigation .btn-primary {
    background: var(--ha-gradient-primary);
    border: none;
    box-shadow: var(--ha-shadow-primary);
    color: #fff;
}

.form-navigation .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.45);
}

.form-navigation .btn-outline-secondary {
    border: 2px solid #ccc;
    color: var(--ha-dark-gray);
    background: transparent;
}

.form-navigation .btn-outline-secondary:hover {
    background: var(--ha-black);
    border-color: var(--ha-black);
    color: #fff;
    transform: translateY(-2px);
}

/* Review Section */
.review-content {
    margin-top: 1.75rem;
}

.review-sections {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.review-section {
    background: var(--ha-light-gray);
    border-radius: 14px;
    padding: 1.75rem;
    border: 1px solid #e5e5e5;
}

.review-section-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ha-black);
    margin-bottom: 1.1rem;
    padding-bottom: 0.85rem;
    border-bottom: 2px solid #e5e5e5;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.review-section-title i {
    color: var(--ha-primary);
    font-size: 1.3rem;
}

.review-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.review-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.1rem;
    background: var(--ha-white);
    border-radius: 10px;
    border: 1px solid #e5e5e5;
    transition: var(--ha-transition);
}

.review-item:hover {
    border-color: var(--ha-primary);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.12);
    transform: translateY(-2px);
}

.review-label {
    font-weight: 600;
    color: var(--ha-medium-gray);
    font-size: 0.95rem;
}

.review-value {
    font-weight: 800;
    color: var(--ha-black);
    font-size: 1.05rem;
}

/* Validation States */
.form-control.is-valid,
.form-select.is-valid {
    border-color: #22c55e;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2322c55e' d='m2.3 6.73.98-.98-.98-.98L1.32 4.78l.98.98L1.32 6.73l.98.98zm5.4-5.4L6.73.35l-.98.98L6.73 2.31l.98.98.98-.98-.98-.98z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--ha-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23DC3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 3.6.4.4.4-.4m0 4.8-.4-.4-.4.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: var(--ha-primary);
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.12);
}

/* Dark Mode Support */
[data-bs-theme="dark"] .section-card {
    background: var(--ha-charcoal);
    border-color: var(--ha-dark-gray);
}

[data-bs-theme="dark"] .section-header {
    border-bottom-color: var(--ha-dark-gray);
}

[data-bs-theme="dark"] .section-title h5 {
    color: var(--ha-white);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background: var(--ha-black);
    border-color: var(--ha-dark-gray);
    color: var(--ha-white);
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background: var(--ha-black);
    border-color: var(--ha-primary);
}

[data-bs-theme="dark"] .form-check {
    border-color: var(--ha-dark-gray);
    background: var(--ha-black);
}

[data-bs-theme="dark"] .form-check:hover {
    background: var(--ha-charcoal);
}

[data-bs-theme="dark"] .collapse-toggle {
    background: var(--ha-charcoal);
    border-color: var(--ha-dark-gray);
    color: var(--ha-white);
}

[data-bs-theme="dark"] .collapse-toggle:hover {
    background: var(--ha-dark-gray);
}

[data-bs-theme="dark"] .review-section {
    background: var(--ha-charcoal);
    border-color: var(--ha-dark-gray);
}

[data-bs-theme="dark"] .review-item {
    background: var(--ha-black);
    border-color: var(--ha-dark-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .progress-steps {
        padding: 0 1rem;
    }
    
    .step-label {
        display: none;
    }
    
    .step-circle {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }
    
    .section-card {
        padding: 1.5rem;
    }
    
    .section-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .section-title h5 {
        font-size: 1.15rem;
    }
    
    .form-progress {
        margin: -1rem -1rem 1.5rem -1rem;
    }
    
    .review-items {
        grid-template-columns: 1fr;
    }
    
    .form-navigation .btn {
        min-width: 130px;
        padding: 0.7rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .review-section {
        padding: 1.1rem;
    }
    
    .form-navigation {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
}

/* Micro-animations for enhanced UX */
@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.section-icon:hover {
    animation: heartbeat 0.6s ease-in-out;
}

/* Focus indicators for accessibility */
.form-control:focus-visible,
.form-select:focus-visible,
.btn:focus-visible {
    outline: 3px solid rgba(220, 53, 69, 0.4);
    outline-offset: 2px;
}

/* Loading state for buttons */
.btn.loading {
    pointer-events: none;
    opacity: 0.85;
}

.btn.loading::after {
    content: '';
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
    display: inline-block;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}