/* ===============================================
   Form Components - Consolidated Styles
   =============================================== */

/* Form Groups & Layout
   ================================================ */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* Labels
   ================================================ */
.form-group label,
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color, #e74c3c);
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Form Controls - Base Styles
   ================================================ */
.form-group input,
.form-group textarea,
.form-group select,
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-style: solid !important;  /* Override browser inset default */
    border-radius: 6px;
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

/* Textarea Specific */
.form-group textarea,
.form-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
}

/* Select Specific */
.form-group select,
.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Focus States
   ================================================ */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--primary-color, #3498db);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Disabled States
   ================================================ */
.form-group input:disabled,
.form-group textarea:disabled,
.form-group select:disabled,
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background: var(--bg-disabled, #f5f5f5);
    color: var(--text-disabled, #999);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Validation States
   ================================================ */
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select,
.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--danger-color, #e74c3c);
}

.form-group.has-error input:focus,
.form-group.has-error textarea:focus,
.form-group.has-error select:focus,
.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group.has-success input,
.form-group.has-success textarea,
.form-group.has-success select,
.form-input.success,
.form-textarea.success,
.form-select.success {
    border-color: var(--success-color, #27ae60);
}

.form-group.has-success input:focus,
.form-group.has-success textarea:focus,
.form-group.has-success select:focus,
.form-input.success:focus,
.form-textarea.success:focus,
.form-select.success:focus {
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-error-message {
    color: var(--danger-color, #e74c3c);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.form-success-message {
    color: var(--success-color, #27ae60);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Input Groups
   ================================================ */
.input-group {
    display: flex;
    width: 100%;
}

.input-group input {
    flex: 1;
    border-radius: 6px 0 0 6px;
}

.input-group-append,
.input-group-prepend {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.input-group-prepend {
    border-right: none;
    border-radius: 6px 0 0 6px;
}

.input-group-prepend + input {
    border-left: none;
    border-radius: 0 6px 6px 0;
}

.input-group-append {
    border-left: none;
    border-radius: 0 6px 6px 0;
}

/* Checkboxes & Radios
   ================================================ */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: auto;
    margin: 0;
    margin-right: 0.5rem;
    cursor: pointer;
}

.form-check label {
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.form-check.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-check.disabled input,
.form-check.disabled label {
    cursor: not-allowed;
}

/* Switch/Toggle
   ================================================ */
.form-switch {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.switch {
    position: relative;
    width: 48px;
    height: 24px;
}

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

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-color);
    transition: 0.3s;
    border-radius: 24px;
}

.switch-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: 0.3s;
    border-radius: 50%;
}

.switch input:checked + .switch-slider {
    background: var(--primary-color, #3498db);
}

.switch input:checked + .switch-slider::before {
    transform: translateX(24px);
}

.switch input:disabled + .switch-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Form Sizes
   ================================================ */
.form-group.form-group-sm input,
.form-group.form-group-sm textarea,
.form-group.form-group-sm select,
.form-input-sm {
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
}

.form-group.form-group-lg input,
.form-group.form-group-lg textarea,
.form-group.form-group-lg select,
.form-input-lg {
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

/* Inline Forms
   ================================================ */
.form-inline {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 200px;
}

.form-inline .btn {
    align-self: flex-end;
}

/* Search Input
   ================================================ */
.form-search {
    position: relative;
}

.form-search input {
    padding-left: 2.5rem;
}

.form-search::before {
    content: '🔍';
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* File Input
   ================================================ */
.form-file {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.form-file input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.form-file-label {
    display: block;
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    text-align: center;
    transition: all 0.2s ease;
}

.form-file:hover .form-file-label {
    background: var(--bg-hover);
    border-color: var(--primary-color, #3498db);
}

.form-file.has-file .form-file-label {
    border-style: solid;
    border-color: var(--success-color, #27ae60);
}

/* Dark Theme Adjustments
   ================================================ */
body.dark-theme .form-group input,
body.dark-theme .form-group textarea,
body.dark-theme .form-group select,
body.dark-theme .form-input,
body.dark-theme .form-textarea,
body.dark-theme .form-select {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-theme .form-group input:focus,
body.dark-theme .form-group textarea:focus,
body.dark-theme .form-group select:focus {
    background: var(--bg-secondary);
    border-color: var(--primary-color, #3498db);
}

/* Responsive Design
   ================================================ */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-inline .form-group {
        min-width: 100%;
    }
}