/* Physio Lead Form - Frontend Styles */
/* Therapia Color Theme - Teal/Aqua */

:root {
    --plf-primary: #00A5A8;
    --plf-primary-dark: #008B8E;
    --plf-primary-light: #E0F7F7;
    --plf-secondary: #2C3E50;
    --plf-text: #333333;
    --plf-text-light: #666666;
    --plf-text-muted: #999999;
    --plf-border: #E0E0E0;
    --plf-border-focus: #00A5A8;
    --plf-bg: #FFFFFF;
    --plf-bg-light: #F8FAFA;
    --plf-success: #28A745;
    --plf-error: #DC3545;
    --plf-shadow: 0 4px 20px rgba(0, 165, 168, 0.1);
}

/* Form Container */
.plf-form-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px;
    background: var(--plf-bg);
    border-radius: 12px;
    box-shadow: var(--plf-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    box-sizing: border-box;
}

.plf-form-container *,
.plf-form-container *::before,
.plf-form-container *::after {
    box-sizing: border-box;
}

/* Form Header */
.plf-form-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--plf-primary-light);
}

.plf-form-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--plf-secondary);
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.plf-form-subtitle {
    font-size: 15px;
    color: var(--plf-text-light);
    margin: 0;
    line-height: 1.6;
}

/* Field Groups */
.plf-field-group {
    margin-bottom: 24px;
}

.plf-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--plf-secondary);
    margin-bottom: 8px;
}

.plf-label-hint {
    font-weight: 400;
    color: var(--plf-text-muted);
    font-size: 13px;
}

.plf-required {
    color: var(--plf-error);
    font-weight: 600;
}

/* Input Fields */
.plf-input,
.plf-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid var(--plf-border);
    border-radius: 8px;
    background: var(--plf-bg);
    color: var(--plf-text);
    transition: all 0.2s ease;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.plf-input:focus,
.plf-textarea:focus {
    outline: none;
    border-color: var(--plf-primary);
    box-shadow: 0 0 0 3px rgba(0, 165, 168, 0.15);
}

.plf-input::placeholder,
.plf-textarea::placeholder {
    color: var(--plf-text-muted);
}

.plf-input.error,
.plf-textarea.error {
    border-color: var(--plf-error);
    background: #FEF2F2;
}

.plf-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Error Messages */
.plf-error-message {
    display: none;
    font-size: 13px;
    color: #DC3545;
    margin-top: 8px;
    font-weight: 500;
    padding: 4px 0;
}

/* Invalid field states */
.plf-field-group.invalid .plf-input,
.plf-field-group.invalid .plf-textarea {
    border-color: #DC3545 !important;
    background-color: #FFF5F5 !important;
}

.plf-field-group.invalid .plf-error-message {
    display: block !important;
}

/* Invalid state for radio/checkbox groups */
.plf-field-group.invalid .plf-radio-label,
.plf-field-group.invalid .plf-checkbox-label {
    border-color: #DC3545 !important;
    background-color: #FFF5F5 !important;
}

/* Valid field states */
.plf-field-group.valid .plf-input,
.plf-field-group.valid .plf-textarea {
    border-color: #28A745 !important;
}

/* Field Hints */
.plf-field-hint {
    display: block;
    font-size: 12px;
    color: var(--plf-text-muted);
    margin-top: 5px;
}

/* Checkbox & Radio Groups */
.plf-checkbox-group,
.plf-radio-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.plf-checkbox-label,
.plf-radio-label {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    background: var(--plf-bg-light);
    border: 2px solid var(--plf-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.plf-checkbox-label:hover,
.plf-radio-label:hover {
    border-color: var(--plf-primary);
    background: var(--plf-primary-light);
}

.plf-checkbox,
.plf-radio {
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--plf-primary);
    cursor: pointer;
}

.plf-checkbox-text,
.plf-radio-text {
    margin-left: 10px;
    font-size: 14px;
    color: var(--plf-text);
    line-height: 1.3;
}

.plf-checkbox:checked + .plf-checkbox-text,
.plf-radio:checked + .plf-radio-text {
    color: var(--plf-primary-dark);
    font-weight: 500;
}

.plf-checkbox-label:has(.plf-checkbox:checked),
.plf-radio-label:has(.plf-radio:checked) {
    border-color: var(--plf-primary);
    background: var(--plf-primary-light);
}

/* Other Specify Field */
.plf-other-specify {
    margin-top: 10px;
}

/* Submit Button */
.plf-submit-group {
    margin-top: 32px;
}

.plf-submit-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--plf-primary) 0%, var(--plf-primary-dark) 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plf-submit-btn:hover {
    background: linear-gradient(135deg, var(--plf-primary-dark) 0%, #007578 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 165, 168, 0.35);
}

.plf-submit-btn:active {
    transform: translateY(0);
}

.plf-submit-btn:disabled {
    background: var(--plf-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.plf-btn-loader {
    display: inline-flex;
}

.plf-spinner {
    width: 22px;
    height: 22px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Messages */
.plf-message {
    padding: 16px 20px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 15px;
    line-height: 1.5;
    font-weight: 500;
}

.plf-success-message {
    background: #D4EDDA;
    border: 2px solid #28A745;
    color: #155724;
}

.plf-error-message-box {
    background: #F8D7DA;
    border: 2px solid #DC3545;
    color: #721C24;
}

/* Honeypot Field (Hidden) */
.plf-hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ==================== RESPONSIVE DESIGN ==================== */

/* Tablets and smaller desktops */
@media (max-width: 900px) {
    .plf-form-container {
        max-width: 100%;
        margin: 20px;
        padding: 32px;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .plf-form-container {
        padding: 28px 24px;
        margin: 16px;
        border-radius: 10px;
    }

    .plf-form-title {
        font-size: 22px;
    }

    .plf-form-subtitle {
        font-size: 14px;
    }
    
    .plf-form-header {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }

    .plf-checkbox-group,
    .plf-radio-group {
        grid-template-columns: 1fr;
    }

    .plf-input,
    .plf-textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .plf-submit-btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .plf-field-group {
        margin-bottom: 20px;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    .plf-form-container {
        padding: 24px 18px;
        margin: 12px;
        border-radius: 8px;
    }

    .plf-form-header {
        margin-bottom: 20px;
        padding-bottom: 16px;
    }

    .plf-form-title {
        font-size: 20px;
    }
    
    .plf-form-subtitle {
        font-size: 13px;
    }

    .plf-field-group {
        margin-bottom: 18px;
    }
    
    .plf-label {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .plf-checkbox-label,
    .plf-radio-label {
        padding: 10px 12px;
    }
    
    .plf-checkbox-text,
    .plf-radio-text {
        font-size: 13px;
    }
    
    .plf-submit-group {
        margin-top: 24px;
    }
    
    .plf-submit-btn {
        padding: 14px 20px;
        font-size: 14px;
    }
    
    .plf-message {
        padding: 14px 16px;
        font-size: 14px;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .plf-form-container {
        padding: 20px 14px;
        margin: 8px;
    }
    
    .plf-form-title {
        font-size: 18px;
    }
    
    .plf-input,
    .plf-textarea {
        padding: 10px 12px;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .plf-form-container {
        max-width: 600px;
        margin: 16px auto;
    }
    
    .plf-checkbox-group,
    .plf-radio-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* High resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .plf-form-container {
        box-shadow: 0 2px 15px rgba(0, 165, 168, 0.08);
    }
}

/* Focus visible for accessibility */
.plf-checkbox:focus-visible,
.plf-radio:focus-visible {
    outline: 2px solid var(--plf-primary);
    outline-offset: 2px;
}

.plf-submit-btn:focus-visible {
    outline: 3px solid var(--plf-primary-light);
    outline-offset: 2px;
}

/* Animation for form appearance */
.plf-form-container {
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Print styles */
@media print {
    .plf-form-container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .plf-submit-btn {
        display: none;
    }
}