/* ============================================
   Form Components - Unified & Complete
   ============================================ */

/* Base Form */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xs);
    margin-bottom: 0;
}

.form__label {
    font-size: var(--form-label-font-size);
    font-weight: var(--form-label-font-weight);
    color: var(--form-label);
    display: block;
    margin-bottom: var(--form-label-margin);
}

.form__label--required::after {
    content: " *";
    color: var(--color-error-text);
}

/* Input Group (for floating labels) */
.input-group {
    position: relative;
    width: 100%;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: var(--form-input-border-width) solid var(--form-input-border);
    border-radius: var(--form-input-border-radius);
    background-color: var(--form-input-bg);
    color: var(--form-input-text);
    font-family: var(--font-primary);
    font-size: var(--form-input-font-size);
    line-height: 1.5;
    min-height: calc(var(--spacing-xs) * 2 + var(--form-input-font-size) * 1.5 + var(--form-input-border-width) * 2);
    box-sizing: border-box;
    transition: all var(--duration-fast) var(--easing-standard);
    outline: none;
    direction: rtl;
    text-align: right;
}

.input-group textarea {
    min-height: 100px;
    resize: vertical;
    padding-top: var(--spacing-sm);
}

.input-group input.input-rtl,
.input-group textarea.input-rtl {
    direction: rtl;
    text-align: right;
}

.input-group input.input-ltr {
    direction: ltr;
    text-align: left;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--form-input-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group .input-label {
    position: absolute;
    top: 0;
    right: var(--spacing-sm);
    transform: translateY(-50%);
    background-color: var(--form-bg);
    color: var(--form-label);
    font-size: var(--form-help-font-size);
    pointer-events: none;
    transition: all var(--duration-fast) var(--easing-standard);
    user-select: none;
    padding: 0 var(--spacing-xs);
}

.input-group textarea + .input-label {
    top: 0;
    transform: translateY(-50%);
}

.input-group input:focus + .input-label,
.input-group textarea:focus + .input-label {
    color: var(--form-label-focus);
}

/* Standard Form Inputs */
.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: var(--form-input-border-width) solid var(--form-input-border);
    border-radius: var(--form-input-border-radius);
    background-color: var(--form-input-bg);
    color: var(--form-input-text);
    font-family: var(--font-primary);
    font-size: var(--form-input-font-size);
    line-height: 1.5;
    min-height: calc(var(--spacing-xs) * 2 + var(--form-input-font-size) * 1.5 + var(--form-input-border-width) * 2);
    box-sizing: border-box;
    transition: all var(--duration-fast) var(--easing-standard);
    outline: none;
    direction: rtl;
    text-align: right;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    border-color: var(--form-input-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--form-input-placeholder);
    opacity: 1;
}

.form__textarea {
    min-height: 120px;
    resize: vertical;
}

.form__select,
select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23666' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    padding-right: calc(var(--spacing-lg) + var(--spacing-xs));
}

.form__select:focus,
select:focus {
    border-color: var(--form-input-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form__select option,
select option {
    padding: var(--spacing-xs);
    background-color: var(--form-input-bg);
    color: var(--form-input-text);
    direction: rtl;
}

.form__select-wrapper {
    position: relative;
    width: 100%;
}

/* Form Help Text */
.form__help {
    font-size: var(--form-help-font-size);
    color: var(--form-help);
    margin-top: var(--spacing-2xs);
}

.form__error {
    font-size: var(--form-error-font-size);
    color: var(--form-error);
    margin-top: var(--spacing-2xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-2xs);
}

.form__error::before {
    content: "⚠";
    font-size: 14px;
}

/* Form Checkbox & Radio */
.form__checkbox,
.form__radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form__checkbox input[type="checkbox"],
.form__radio input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form__checkbox-label,
.form__radio-label {
    font-size: var(--font-size-body);
    color: var(--form-input-text);
    cursor: pointer;
}

/* Radio Group */
.form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form__radio-group--inline {
    flex-direction: row;
    flex-wrap: wrap;
}

/* Form Inline */
.form--inline {
    flex-direction: row;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form--inline .form__group {
    flex: 1;
    min-width: 200px;
}

/* Form Actions */
.form__actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: 0;
    flex-wrap: wrap;
}

.form__actions--start {
    justify-content: flex-start;
}

.form__actions--center {
    justify-content: center;
}

.form__actions--space-between {
    justify-content: space-between;
}

/* Input Sizes */
.form__input--sm,
.form__select--sm {
    padding: var(--spacing-2xs) var(--spacing-xs);
    font-size: var(--font-size-small);
}

.form__input--lg,
.form__select--lg {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-h6);
}

/* Input States */
.form__input--error,
.form__textarea--error,
.form__select--error,
.input-group input.form__input--error,
.input-group textarea.form__input--error {
    border-color: var(--color-error-text);
}

.form__input--success,
.form__textarea--success,
.form__select--success,
.input-group input.form__input--success,
.input-group textarea.form__input--success {
    border-color: var(--color-success-text);
}

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

.form__file input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    outline: none;
    border: none;
}

.form__file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-width) dashed var(--form-input-border);
    border-radius: var(--radius-sm);
    background-color: var(--form-input-bg);
    color: var(--form-input-text);
    cursor: pointer;
    transition: all var(--duration-fast);
    min-height: calc(var(--spacing-xs) * 2 + var(--font-size-body) * 1.5 + var(--border-width-hairline) * 2);
    font-size: var(--font-size-body);
}

.form__file-label-text {
    transition: color var(--duration-fast);
}

.form__file-label:hover {
    border-color: var(--color-primary);
    background-color: var(--color-secondary-bg);
}

.form__file input[type="file"]:focus + .form__file-label {
    outline: none;
    outline-offset: 0;
}

.form__file-label svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* File name display */
.form__file-name {
    display: none;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-secondary-bg);
    border-radius: var(--radius-xs);
    font-size: var(--font-size-small);
    color: var(--color-text);
    line-height: var(--line-height-base);
}

.form__file-name.form__file-name--visible {
    display: block;
}

.form__file-name-text {
    font-weight: var(--font-weight-medium);
    display: block;
    direction: ltr;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    word-break: break-all;
}

/* Loading Overlay */
.form-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease-in;
}

.form-loading-overlay.form-loading-overlay--active {
    display: flex;
}

.form-loading-overlay__content {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    min-width: 280px;
    max-width: 90%;
}

.form-loading-overlay__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.form-loading-overlay__text {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-align: center;
    margin: 0;
}

.form-loading-overlay__subtext {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
    white-space: pre-line;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .form__file-label {
        font-size: var(--font-size-small);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .form-loading-overlay__content {
        padding: var(--spacing-lg);
        min-width: 240px;
    }

    .form-loading-overlay__spinner {
        width: 40px;
        height: 40px;
    }
}