/* ============================================================
   Forms
   ============================================================ */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

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

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

    .form-input:hover,
    .form-select:hover,
    .form-textarea:hover {
        border-color: var(--border-strong);
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        border-color: var(--color-primary-500);
        box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
    }

    .form-input::placeholder,
    .form-textarea::placeholder {
        color: var(--text-tertiary);
    }

    .form-input:disabled,
    .form-select:disabled,
    .form-textarea:disabled {
        background: var(--bg-tertiary);
        cursor: not-allowed;
        opacity: 0.7;
    }

.form-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: var(--line-height-relaxed);
}

/* ============ Input Group (with icon) ============ */
.form-input-group {
    position: relative;
}

    .form-input-group .form-input {
        padding-inline-start: var(--space-10);
        padding-inline-end: var(--space-10);
    }

.form-input-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    z-index: 1;
}

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

.form-input-action {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

    .form-input-action:hover {
        color: var(--color-primary-600);
    }

/* ============================================================
   RTL Rules
   ============================================================ */
[dir="rtl"] .form-input-icon {
    right: var(--space-3);
    left: auto;
}

[dir="rtl"] .form-input-action {
    left: var(--space-2);
    right: auto;
}

[dir="rtl"] .form-input-group .form-input {
    padding-right: var(--space-10);
    padding-left: var(--space-10);
}

/* ============================================================
   LTR Rules
   ============================================================ */
[dir="ltr"] .form-input-icon {
    left: var(--space-3);
    right: auto;
}

[dir="ltr"] .form-input-action {
    right: var(--space-2);
    left: auto;
}

[dir="ltr"] .form-input-group .form-input {
    padding-left: var(--space-10);
    padding-right: var(--space-10);
}

/* ============ Error State ============ */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}

    .form-input.is-invalid:focus {
        box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
    }

.form-input.is-valid {
    border-color: var(--color-success);
}

/* ============================================================
   Error Message - ✅ مُصلح: يختفي لما يكون فاضي
   ============================================================ */
.form-error {
    display: none; /* ✅ مخفي افتراضياً */
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: 6px;
    line-height: 1.4;
    font-weight: 600;
    animation: errorFadeIn 0.2s ease-out;
}

    /* ✅ يظهر فقط لو فيه محتوى */
    .form-error:not(:empty) {
        display: block;
    }

    /* ✅ مخفي لو فيه display:none inline (يستخدمه JS) */
    .form-error[style*="display: none"] {
        display: none !important;
    }

@keyframes errorFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ Checkbox / Radio ============ */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

    .form-check input[type="checkbox"],
    .form-check input[type="radio"] {
        width: 18px;
        height: 18px;
        accent-color: var(--color-primary-500);
        cursor: pointer;
        flex-shrink: 0;
    }

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* ============ Form Row ============ */
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .form-row.cols-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============ Help Text ============ */
.form-help {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ============ Divider ============ */
.form-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

    .form-divider::before,
    .form-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--border-default);
    }