/* ==========================================================
   FORMS
   SOSMedical Design System
========================================================== */

/*
|--------------------------------------------------------------------------
| Form layout
|--------------------------------------------------------------------------
*/

.form {
    width: 100%;
}

.form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.form__group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/*
|--------------------------------------------------------------------------
| Labels
|--------------------------------------------------------------------------
*/

.form__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    color: var(--primary);
    font-family: var(--font-title);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}

.form__required {
    color: var(--danger);
}

.form__hint {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.5;
}

/*
|--------------------------------------------------------------------------
| Base fields
|--------------------------------------------------------------------------
*/

.form-control,
.form-select,
.form-textarea {
    width: 100%;

    color: var(--text);
    font-family: var(--font-text);
    font-size: 15px;
    line-height: 1.5;

    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);

    box-shadow: 0 1px 2px rgba(11, 35, 65, 0.02);

    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-control,
.form-select {
    min-height: 52px;
    padding: 13px 16px;
}

.form-textarea {
    min-height: 150px;
    padding: 14px 16px;
    resize: vertical;
}

.form-control::placeholder,
.form-textarea::placeholder {
    color: #9aa7b6;
    opacity: 1;
}

.form-control:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: #c8d4df;
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    background: var(--white);
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(0, 153, 216, 0.12);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
    color: #8a96a3;
    cursor: not-allowed;
    background: #f1f4f7;
    border-color: var(--border);
    opacity: 0.8;
}

/*
|--------------------------------------------------------------------------
| Select
|--------------------------------------------------------------------------
*/

.form-select {
    padding-right: 46px;
    cursor: pointer;

    background-image:
        linear-gradient(45deg, transparent 50%, var(--primary) 50%),
        linear-gradient(135deg, var(--primary) 50%, transparent 50%);
    background-position:
        calc(100% - 21px) 50%,
        calc(100% - 16px) 50%;
    background-repeat: no-repeat;
    background-size: 5px 5px, 5px 5px;

    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/*
|--------------------------------------------------------------------------
| Input with icon
|--------------------------------------------------------------------------
*/

.input-group {
    position: relative;
    width: 100%;
}

.input-group__icon {
    position: absolute;
    top: 50%;
    left: 16px;
    z-index: 2;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: var(--text-light);
    pointer-events: none;

    transform: translateY(-50%);
    transition: color var(--transition);
}

.input-group__icon svg {
    width: 20px;
    height: 20px;
}

.input-group .form-control {
    padding-left: 48px;
}

.input-group:focus-within .input-group__icon {
    color: var(--secondary);
}

.input-group--right .input-group__icon {
    right: 16px;
    left: auto;
}

.input-group--right .form-control {
    padding-right: 48px;
    padding-left: 16px;
}

/*
|--------------------------------------------------------------------------
| Search field
|--------------------------------------------------------------------------
*/

.search-field {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;

    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(11, 35, 65, 0.1);
    border-radius: 18px;

    box-shadow: 0 18px 50px rgba(11, 35, 65, 0.1);

    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.search-field:focus-within {
    border-color: rgba(0, 153, 216, 0.55);
    box-shadow: 0 20px 55px rgba(0, 153, 216, 0.16);
    transform: translateY(-2px);
}

.search-field__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;

    margin-left: 20px;

    color: var(--secondary);
}

.search-field__icon svg {
    width: 22px;
    height: 22px;
}

.search-field__input {
    width: 100%;
    min-height: 64px;
    padding: 16px 18px;

    color: var(--text);
    font-family: var(--font-text);
    font-size: 16px;

    background: transparent;
    border: 0;
}

.search-field__input::placeholder {
    color: #8c99a8;
}

.search-field__button {
    flex-shrink: 0;
    margin-right: 7px;
}

/*
|--------------------------------------------------------------------------
| Floating label
|--------------------------------------------------------------------------
*/

.form-floating {
    position: relative;
}

.form-floating .form-control,
.form-floating .form-textarea {
    padding-top: 22px;
    padding-bottom: 8px;
}

.form-floating .form__label {
    position: absolute;
    top: 50%;
    left: 16px;

    color: var(--text-light);
    font-family: var(--font-text);
    font-size: 15px;
    font-weight: 400;

    pointer-events: none;

    transform: translateY(-50%);
    transform-origin: left top;

    transition:
        top var(--transition),
        color var(--transition),
        font-size var(--transition),
        transform var(--transition);
}

.form-floating .form-textarea + .form__label {
    top: 25px;
}

.form-floating .form-control:focus + .form__label,
.form-floating .form-control:not(:placeholder-shown) + .form__label,
.form-floating .form-textarea:focus + .form__label,
.form-floating .form-textarea:not(:placeholder-shown) + .form__label {
    top: 9px;
    color: var(--secondary);
    font-size: 11px;
    transform: translateY(0);
}

/*
|--------------------------------------------------------------------------
| Checkbox and radio
|--------------------------------------------------------------------------
*/

.form-check {
    display: inline-flex;
    align-items: flex-start;
    gap: 10px;

    color: var(--text);
    font-size: 14px;
    line-height: 1.5;

    cursor: pointer;
}

.form-check__input {
    position: relative;
    flex-shrink: 0;

    width: 20px;
    height: 20px;
    margin-top: 1px;

    cursor: pointer;

    background: var(--white);
    border: 1px solid #c8d4df;

    appearance: none;
    -webkit-appearance: none;

    transition:
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-check__input[type="checkbox"] {
    border-radius: 6px;
}

.form-check__input[type="radio"] {
    border-radius: 50%;
}

.form-check__input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 153, 216, 0.12);
}

.form-check__input:checked {
    background: var(--secondary);
    border-color: var(--secondary);
}

.form-check__input[type="checkbox"]:checked::after {
    position: absolute;
    top: 3px;
    left: 6px;

    width: 5px;
    height: 9px;

    content: "";

    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);

    transform: rotate(45deg);
}

.form-check__input[type="radio"]:checked::after {
    position: absolute;
    inset: 4px;

    content: "";

    background: var(--white);
    border-radius: 50%;
}

/*
|--------------------------------------------------------------------------
| Switch
|--------------------------------------------------------------------------
*/

.form-switch {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.form-switch__input {
    position: relative;

    width: 46px;
    height: 26px;

    cursor: pointer;

    background: #cbd5df;
    border-radius: 999px;

    appearance: none;
    -webkit-appearance: none;

    transition:
        background-color var(--transition),
        box-shadow var(--transition);
}

.form-switch__input::after {
    position: absolute;
    top: 3px;
    left: 3px;

    width: 20px;
    height: 20px;

    content: "";

    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(11, 35, 65, 0.18);

    transition: transform var(--transition);
}

.form-switch__input:checked {
    background: var(--secondary);
}

.form-switch__input:checked::after {
    transform: translateX(20px);
}

.form-switch__input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 153, 216, 0.12);
}

/*
|--------------------------------------------------------------------------
| File input
|--------------------------------------------------------------------------
*/

.form-file {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;

    min-height: 170px;
    padding: var(--space-4);

    text-align: center;

    cursor: pointer;

    background: #f8fafc;
    border: 1px dashed #b8c6d3;
    border-radius: var(--radius-md);

    transition:
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-file:hover,
.form-file.is-dragging {
    background: rgba(0, 153, 216, 0.05);
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(0, 153, 216, 0.08);
}

.form-file__input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.form-file__icon {
    margin-bottom: 12px;
    color: var(--secondary);
}

.form-file__title {
    color: var(--primary);
    font-family: var(--font-title);
    font-size: 15px;
    font-weight: 600;
}

.form-file__text {
    margin-top: 5px;
    color: var(--text-light);
    font-size: 13px;
}

/*
|--------------------------------------------------------------------------
| Validation states
|--------------------------------------------------------------------------
*/

.form-control.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 4px rgba(0, 182, 122, 0.1);
}

.form-control.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
}

.form-message {
    display: none;
    font-size: 13px;
    line-height: 1.4;
}

.form-message.is-visible {
    display: block;
}

.form-message--success {
    color: var(--success);
}

.form-message--error {
    color: var(--danger);
}

/*
|--------------------------------------------------------------------------
| Compact form
|--------------------------------------------------------------------------
*/

.form--compact .form__group {
    gap: 6px;
}

.form--compact .form-control,
.form--compact .form-select {
    min-height: 44px;
    padding: 10px 14px;
    font-size: 14px;
}

.form--compact .form-textarea {
    min-height: 110px;
}

/*
|--------------------------------------------------------------------------
| Responsive
|--------------------------------------------------------------------------
*/

@media (max-width: 768px) {
    .form__grid {
        grid-template-columns: 1fr;
    }

    .form__group--full {
        grid-column: auto;
    }
}

@media (max-width: 576px) {
    .form__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .form__actions .btn {
        width: 100%;
    }

    .search-field {
        border-radius: var(--radius-md);
    }

    .search-field__input {
        min-height: 58px;
        font-size: 15px;
    }

    .search-field__button {
        display: none;
    }
}

/*
|--------------------------------------------------------------------------
| Reduced motion
|--------------------------------------------------------------------------
*/

@media (prefers-reduced-motion: reduce) {
    .form-control,
    .form-select,
    .form-textarea,
    .search-field,
    .form-check__input,
    .form-switch__input,
    .form-switch__input::after,
    .form-file,
    .form-floating .form__label {
        transition: none;
    }
}