/**
 * Quebee Forms - Frontend Styles
 * 
 * Minimal, clean styling that's easy to override.
 * Uses CSS custom properties for easy theming.
 */

/* ========================================
   CSS Custom Properties (easily overridable)
   ======================================== */
.qb-form-wrapper {
    --qb-font-size: 1rem;
    --qb-line-height: 1.5;
    --qb-color-text: #333;
    --qb-color-text-light: #666;
    --qb-color-border: #ddd;
    --qb-color-bg: #fff;
    --qb-color-bg-light: #f9f9f9;
    --qb-color-primary: #2271b1;
    --qb-color-error: #d63638;
    --qb-color-success: #46b450;
    --qb-border-radius: 4px;
    --qb-spacing: 1rem;
    --qb-grid-gap: 1rem;
}

/* ========================================
   Form Container
   ======================================== */
.qb-form-wrapper {
    font-size: var(--qb-font-size);
    line-height: var(--qb-line-height);
    color: var(--qb-color-text);
}

.qb-form {
    margin: 0;
}

/* ========================================
   Grid Layout (12-column CSS Grid)
   ======================================== */
.qb-form-fields {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--qb-grid-gap);
}

/* Column spans */
.qb-field-wrapper { grid-column: span 12; }
.qb-field-wrapper.qb-col-1 { grid-column: span 1; }
.qb-field-wrapper.qb-col-2 { grid-column: span 2; }
.qb-field-wrapper.qb-col-3 { grid-column: span 3; }
.qb-field-wrapper.qb-col-4 { grid-column: span 4; }
.qb-field-wrapper.qb-col-5 { grid-column: span 5; }
.qb-field-wrapper.qb-col-6 { grid-column: span 6; }
.qb-field-wrapper.qb-col-7 { grid-column: span 7; }
.qb-field-wrapper.qb-col-8 { grid-column: span 8; }
.qb-field-wrapper.qb-col-9 { grid-column: span 9; }
.qb-field-wrapper.qb-col-10 { grid-column: span 10; }
.qb-field-wrapper.qb-col-11 { grid-column: span 11; }
.qb-field-wrapper.qb-col-12 { grid-column: span 12; }

/* ========================================
   Labels
   ======================================== */
.qb-label {
    display: block;
    margin-bottom: 0.4em;
    font-weight: 500;
}

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

/* ========================================
   Input Fields (minimal base styling)
   ======================================== */
.qb-input,
.qb-textarea,
.qb-select {
    display: block;
    width: 100%;
    padding: 0.6em 0.8em;
    font-size: inherit;
    font-family: inherit;
    line-height: var(--qb-line-height);
    color: inherit;
    background: var(--qb-color-bg);
    border: 1px solid var(--qb-color-border);
    border-radius: var(--qb-border-radius);
    box-sizing: border-box;
}

.qb-input:focus,
.qb-textarea:focus,
.qb-select:focus {
    outline: none;
    border-color: var(--qb-color-primary);
}

.qb-textarea {
    min-height: 6em;
    resize: vertical;
}

.qb-select {
    cursor: pointer;
}

/* ========================================
   Checkbox & Radio
   ======================================== */
.qb-checkbox-group,
.qb-radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}

.qb-checkbox-label,
.qb-radio-label {
    display: flex;
    align-items: center;
    gap: 0.5em;
    cursor: pointer;
    font-weight: normal;
}

.qb-checkbox-label input,
.qb-radio-label input {
    margin: 0;
}

/* ========================================
   File Upload
   ======================================== */
.qb-file {
    display: block;
    width: 100%;
    padding: 0.6em;
    border: 1px dashed var(--qb-color-border);
    border-radius: var(--qb-border-radius);
    background: var(--qb-color-bg-light);
    cursor: pointer;
}

.qb-file-hint {
    display: block;
    margin-top: 0.3em;
    font-size: 0.85em;
    color: var(--qb-color-text-light);
}

/* ========================================
   Range Slider
   ======================================== */
.qb-range-wrapper {
    display: flex;
    align-items: center;
    gap: 1em;
}

.qb-range {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--qb-color-border);
    -webkit-appearance: none;
    appearance: none;
}

.qb-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--qb-color-primary);
    cursor: pointer;
}

.qb-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--qb-color-primary);
    cursor: pointer;
    border: none;
}

.qb-range-value {
    min-width: 2.5em;
    padding: 0.2em 0.5em;
    background: var(--qb-color-bg-light);
    border-radius: var(--qb-border-radius);
    text-align: center;
    font-size: 0.9em;
}

/* ========================================
   Layout Elements
   ======================================== */
.qb-heading {
    font-size: 1.25em;
    font-weight: 600;
    margin: 0;
}

.qb-paragraph {
    margin: 0;
    color: var(--qb-color-text-light);
}

.qb-divider {
    border: none;
    border-top: 1px solid var(--qb-color-border);
    margin: 0.5em 0;
}

/* ========================================
   Form Footer & Submit
   ======================================== */
.qb-form-footer {
    margin-top: var(--qb-spacing);
}

.qb-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.7em 1.5em;
    font-size: inherit;
    font-family: inherit;
    font-weight: 500;
    color: #fff;
    background: var(--qb-color-primary);
    border: none;
    border-radius: var(--qb-border-radius);
    cursor: pointer;
    transition: opacity 0.2s;
}

.qb-submit:hover {
    opacity: 0.9;
}

.qb-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Loading spinner */
.qb-spinner {
    animation: qb-spin 0.8s linear infinite;
}

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

/* ========================================
   Validation & Messages
   ======================================== */
.qb-field-wrapper.qb-has-error .qb-input,
.qb-field-wrapper.qb-has-error .qb-textarea,
.qb-field-wrapper.qb-has-error .qb-select {
    border-color: var(--qb-color-error);
}

.qb-error-message {
    color: var(--qb-color-error);
    font-size: 0.85em;
    margin-top: 0.3em;
}

.qb-form-messages {
    margin-top: var(--qb-spacing);
    padding: 1em;
    border-radius: var(--qb-border-radius);
}

.qb-form-messages.qb-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.qb-form-messages.qb-error {
    background: #ffebee;
    color: var(--qb-color-error);
}

/* ========================================
   Conditional Logic
   ======================================== */
.qb-field-wrapper.qb-hidden {
    display: none !important;
}

/* Initial hidden state for conditional fields (before JS runs) */
.qb-field-wrapper.qb-conditional-hidden {
    display: none;
}

/* ========================================
   Responsive (stack all columns on mobile)
   ======================================== */
@media (max-width: 600px) {
    .qb-form-fields {
        display: flex;
        flex-direction: column;
        gap: var(--qb-grid-gap);
    }
    
    .qb-field-wrapper,
    .qb-field-wrapper[class*="qb-col-"] {
        width: 100%;
    }
}