/*
  ----------------------------------------
  Forms (for forms using ui_field helpers)
  ----------------------------------------
*/

:root {
    --ui-field-padding: 0.75rem; /* 12px — matches Figma 8px/12px padding */
    --ui-field-height: 2.5rem; /* 40px */
    --ui-field-font-size: var(--text-base);
    --ui-field-border-size: 1px;
    --ui-field-border: var(--ui-field-border-size) solid var(--gray-300);
    --ui-field-border-radius: var(--rounded-md); /* 6px — Figma spec */
    --ui-field-focus-shadow:
        0px 1px 3px rgba(22, 45, 92, 0.12), 0px 1px 2px rgba(22, 45, 92, 0.08);
    --ui-field-focus-color: var(--brand-1);
    --ui-field-bg: var(--gray-50); /* #F9FAFB — Figma spec */
    --ui-field-bg-disabled: var(--gray-50);
    --ui-field-placeholder-color: var(--gray-400); /* #9CA3AF — Figma spec */
    --ui-field-value-color: var(--dark); /* gray-700 #374151 */
    --ui-field-label-color: var(--midtone); /* gray-500 #6B7280 */
    --ui-field-hint-color: var(--gray-400); /* #9CA3AF — Figma spec */
    --ui-field-value-color-disabled: var(--dark);
    --ui-field-icon-width: 1rem;
}

@layer styles {
    form:has(.ui-field) {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
        max-width: var(--max-w-form);

        /* Inside a modal the dialog controls width — let the form fill it */
        .ui-modal & {
            max-width: 100%;
        }

        /* Wrap multiple fields in a div.form-row for responsive layout  */
        .form-row {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            gap: var(--space-2xs);
        }

        /* Wrap a form control and its label, notes, and error in a .ui-field */
        .ui-field {
            display: flex;
            position: relative;
            flex-direction: column;
            gap: var(--space-2xs);
            flex: 1;
            min-width: 16rem;

            /* Static label above the input — rendered by field_wrapper */
            > label {
                font-size: 0.9375rem; /* 15px floor */
                color: var(--ui-field-label-color);
                font-weight: 400;
                line-height: 1.25rem;
            }

            /* Inner wrapper that provides positioning context for icons */
            .relative {
                position: relative;
            }

            /* Text inputs and selects */
            input:not([type="checkbox"], [type="radio"]),
            textarea,
            select {
                width: 100%;
                height: var(--ui-field-height);
                font-size: var(--ui-field-font-size);
                padding: 0 var(--ui-field-padding);
                border: var(--ui-field-border);
                border-radius: var(--ui-field-border-radius);
                background: var(--ui-field-bg);
                color: var(--ui-field-value-color);
                transition: all 0.2s ease-in-out;

                /* Large option */
                &.ui-large {
                    height: calc(var(--ui-field-height) + 1.2rem);
                    font-size: calc(var(--ui-field-font-size) + 0.1rem);
                    padding: 0 calc(var(--ui-field-padding) + 2.2rem);

                    ~ svg {
                        width: 1.6rem;
                    }

                    ~ label {
                        font-size: calc(var(--ui-field-font-size) + 0.2rem);
                        left: calc(var(--ui-field-padding) + 2.2rem);
                    }

                    &:focus ~ label,
                    &:not(:placeholder-shown) ~ label,
                    &:-webkit-autofill ~ label {
                        left: 0.8rem;
                        font-size: 0.9375rem;
                    }
                }

                /* Suppress browser's native calendar/time picker icon — we use our own */
                &::-webkit-calendar-picker-indicator {
                    display: none;
                }

                &:focus {
                    outline: none;
                    border-color: var(--ui-field-focus-color);
                    box-shadow: var(--ui-field-focus-shadow);
                }

                &::placeholder {
                    color: var(--ui-field-placeholder-color);
                }

                &:disabled {
                    opacity: 0.5;
                    border-color: var(--gray-200);
                    cursor: not-allowed;
                }

                &:-webkit-autofill {
                    /* Includes a hack to override Chrome's aggressive autofill styling */
                    -webkit-text-fill-color: var(
                        --ui-field-value-color
                    ) !important;
                    box-shadow: 0 0 0 1000px var(--ui-field-bg) inset !important;
                }
            }

            /* Select dropdown arrow spacing */
            select {
                padding-right: calc(var(--ui-field-padding) + 0.5rem);
                appearance: none;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
                background-repeat: no-repeat;
                background-position: right var(--ui-field-padding) center;
                background-size: 1rem;
            }

            textarea {
                height: auto;
                min-height: 5rem;
                padding-top: 0.625rem;
                padding-bottom: 0.625rem;
            }

            /* Checkboxes - modern custom styling */
            input[type="checkbox"] {
                appearance: none;
                width: 1.125rem;
                height: 1.125rem;
                border: var(--ui-field-border);
                border-radius: var(--ui-field-border-radius);
                background-color: var(--white);
                cursor: pointer;
                transition: all 120ms ease-in-out;
                flex-shrink: 0;
                position: relative;

                &:hover {
                    border-color: var(--brand-1);
                }

                &:focus {
                    outline: none;
                }

                &:checked {
                    background-color: var(--brand-1);
                    border-color: var(--brand-1);

                    /* Checkmark using CSS */
                    &::after {
                        content: "";
                        position: absolute;
                        left: 0.3rem;
                        top: 0.07rem;
                        width: 0.375rem;
                        height: 0.625rem;
                        border: solid white;
                        border-width: 0 2px 2px 0;
                        transform: rotate(45deg);
                    }
                }

                &:disabled {
                    background-color: var(--lighter);
                    border-color: var(--light);
                    cursor: not-allowed;

                    &:checked {
                        background-color: var(--midtone);
                    }
                }
            }

            /* Radio buttons - modern custom styling */
            input[type="radio"] {
                appearance: none;
                width: 1.125rem;
                height: 1.125rem;
                border: var(--ui-field-border);
                border-radius: 50%;
                background-color: var(--white);
                cursor: pointer;
                transition: all 120ms ease-in-out;
                flex-shrink: 0;
                position: relative;

                &:hover {
                    border-color: var(--brand-1);
                }

                &:focus {
                    outline: none;
                }

                &:checked {
                    border-color: var(--brand-1);
                    border-width: 2px;

                    /* Large inner dot with white ring */
                    &::after {
                        content: "";
                        position: absolute;
                        top: 50%;
                        left: 50%;
                        transform: translate(-50%, -50%);
                        width: 0.625rem;
                        height: 0.625rem;
                        border-radius: 50%;
                        background-color: var(--brand-1);
                    }
                }

                &:disabled {
                    background-color: var(--lighter);
                    border-color: var(--light);
                    cursor: not-allowed;

                    &:checked {
                        border-color: var(--midtone);

                        &::after {
                            background-color: var(--midtone);
                        }
                    }
                }
            }

            /* File drop zone */
            .file-drop-zone {
                position: relative;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: var(--space-xs);
                width: 100%;
                min-height: 8rem;
                padding: var(--space-md);
                border: var(--ui-field-border);
                border-style: dashed;
                border-radius: var(--ui-field-border-radius);
                background: var(--ui-field-bg);
                color: var(--ui-field-value-color);
                cursor: pointer;
                transition: all 120ms;

                &:hover {
                    border-color: var(--ui-field-focus-color);
                    background: color-mix(
                        in srgb,
                        var(--ui-field-bg) 97%,
                        var(--ui-field-focus-color)
                    );
                }

                &.dragging {
                    border-color: var(--ui-field-focus-color);
                    background: color-mix(
                        in srgb,
                        var(--ui-field-bg) 95%,
                        var(--ui-field-focus-color)
                    );
                }

                .upload-icon {
                    color: var(--midtone);
                    width: 2.5rem;
                    height: 2.5rem;
                }

                .file-drop-text {
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    gap: var(--space-2xs);
                    text-align: center;
                }

                .file-drop-prompt {
                    font-size: var(--ui-field-font-size);
                    color: var(--ui-field-value-color);

                    strong {
                        color: var(--ui-field-focus-color);
                    }
                }

                .file-name {
                    font-size: var(--ui-field-font-size);
                    color: var(--ui-field-value-color);
                    font-weight: 500;
                }
            }

            /* Floating labels */
            .floating-label ~ label {
                position: absolute;
                top: 50%;
                transform: translateY(-50%);
                left: var(--ui-field-padding);
                font-size: var(--ui-field-font-size);
                color: var(--midtone);
                border-radius: var(--rounded);
                transition: 120ms;
                pointer-events: none;
                z-index: 1;
                line-height: 1;
            }
            textarea.floating-label ~ label {
                top: 1.2rem;
                transform: translateY(-50%);
            }

            .floating-label:focus ~ label,
            .floating-label:not(:placeholder-shown) ~ label,
            .floating-label:-webkit-autofill ~ label {
                top: 0;
                left: 0.4rem;
                font-size: max(0.9375rem, calc(var(--ui-field-font-size) * 0.9));
                background-color: var(--ui-field-bg);
                padding: 0 0.3rem;
            }

            .floating-label:required ~ label::after {
                content: "*";
                color: red;
            }

            /* Icons */
            .icon,
            .trailing-icon {
                position: absolute;
                color: var(--ui-field-label-color);
                top: 50%;
                transform: translate(0, -50%);
                z-index: 5;
                width: var(--ui-field-icon-width);
                height: auto;
            }

            .icon {
                left: var(--ui-field-padding);
                pointer-events: none;
            }

            /* For inputs with icons, push input text right to clear icon */
            &:has(.icon) input {
                padding-left: calc(
                    2 * var(--ui-field-padding) + var(--ui-field-icon-width) -
                        0.2rem
                );
            }

            /* Trailing icon (right side) */
            .trailing-icon {
                right: var(--ui-field-padding);
            }

            &:has(.trailing-icon) input {
                padding-right: calc(
                    0.625rem + 1rem + 0.5rem
                ); /* icon right + icon width + gap */
            }

            /* Note and error messages*/
            span.note {
                font-size: 0.9375rem; /* 15px floor */
                line-height: 1rem; /* 16px — matches Figma */
                color: var(--ui-field-hint-color);
                margin-top: -0.1875rem;
                margin-bottom: -0.75rem;
            }

            span.error {
                font-size: 0.9375rem; /* 15px floor */
                color: var(--error);
                margin-top: -0.1875rem;
                margin-bottom: -0.75rem;
            }

            /* Error state styling */
            &:has(span.error) {
                input:not([type="checkbox"], [type="radio"]),
                textarea,
                select {
                    border-color: var(--error);
                    color: var(--error);

                    &:focus {
                        outline-color: var(--error);
                        border-color: var(--error);
                    }
                }
                label {
                    color: var(--error);
                }
            }

            /* Labels for an individual checkbox or radio button */
            label:has(input[type="checkbox"], input[type="radio"]) {
                display: flex;
                font-size: var(--text-sm);
                align-items: center;
                gap: var(--space-2xs);
                font-weight: 400;
            }

            /* Fieldset and legend for checkbox/radio groups */
            fieldset {
                display: flex;
                flex-direction: column;
                gap: var(--space-xs);
                min-width: 4rem;

                legend {
                    padding-bottom: var(--space-sm);
                    font-size: var(--text-base);
                }
            }
        }

            /* File drop zone */
            .file-drop-zone {
                position: relative;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: var(--space-xs);
                width: 100%;
                min-height: 8rem;
                padding: var(--space-md);
                border: var(--ui-field-border);
                border-style: dashed;
                border-radius: var(--ui-field-border-radius);
                background: var(--ui-field-bg);
                color: var(--ui-field-value-color);
                cursor: pointer;
                transition: all 120ms;

                &:hover {
                    border-color: var(--ui-field-focus-color);
                    background: color-mix(
                        in srgb,
                        var(--ui-field-bg) 97%,
                        var(--ui-field-focus-color)
                    );
                }

                &.dragging {
                    border-color: var(--ui-field-focus-color);
                    background: color-mix(
                        in srgb,
                        var(--ui-field-bg) 95%,
                        var(--ui-field-focus-color)
                    );
                }

                .upload-icon {
                    color: var(--midtone);
                    width: 2.5rem;
                    height: 2.5rem;
                }

                .file-drop-text {
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    gap: var(--space-2xs);
                    text-align: center;
                }

                .file-preview-image {
                    width: 4rem;
                    height: 4rem;
                    object-fit: cover;
                    border-radius: var(--rounded);
                    border: 1px solid var(--light);
                    background: var(--lighter);
                }

                .file-preview-label {
                    font-size: var(--text-xs);
                    color: var(--midtone);
                    font-weight: 500;
                }

                .file-drop-prompt {
                    font-size: var(--ui-field-font-size);
                    color: var(--ui-field-value-color);

                    strong {
                        color: var(--ui-field-focus-color);
                    }
                }

                .file-name {
                    font-size: var(--ui-field-font-size);
                    color: var(--ui-field-value-color);
                    font-weight: 500;
                }
            }
    }

    .form-footer {
        padding: var(--space-sm) 0 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: var(--space-sm);
        z-index: 10; /* sit above field icons (z-index: 5) when sticky */
    }

    .form-footer.sticky {
        background: var(--white);
    }

    /* Error summary box — rendered by f.ui_error_summary at the top of a form */
    .ui-error-summary {
        border-left: 0.1875rem solid var(--error);
        padding: var(--space-2xs) var(--space-sm);
        margin-bottom: var(--space-xs);

        p {
            font-size: 0.9375rem;
            color: var(--error);
            margin: 0;
            line-height: 1.6;
        }
    }
}